ATT&CKReferencesFireEye Obfuscation June 2017

FireEye Obfuscation June 2017

Bohannon, D. & Carr N. (2017, June 30). Obfuscation in the Wild: Targeted Attackers Lead the Way in Evasion Techniques. Retrieved February 12, 2018.

Open the source

Techniques2

Groups1

Software0

None recorded.

Campaigns0

None recorded.

Procedure examples8

TechniqueUsed byProcedure example
T1027.010
Command Obfuscation
GroupFIN8

FIN8 has used environment variables and standard input (stdin) to obfuscate command-line arguments. FIN8 also obfuscates malicious macros delivered as payloads.

T1027.010
Command Obfuscation
GroupFIN7

FIN7 has used fragmented strings, environment variables, standard input (stdin), and native character-replacement functionalities to obfuscate commands.

T1047
Windows Management Instrumentation
GroupFIN8

FIN8's malicious spearphishing payloads use WMI to launch malware and spawn `cmd.exe` execution. FIN8 has also used WMIC and the Impacket suite for lateral movement, as well as during and post compromise cleanup activities.

T1059.001
PowerShell
GroupFIN8

FIN8's malicious spearphishing payloads are executed as PowerShell. FIN8 has also used PowerShell for lateral movement and credential access.

T1059.003
Windows Command Shell
GroupFIN8

FIN8 has used a Batch file to automate frequently executed post compromise cleanup activities. FIN8 has also executed commands remotely via `cmd.exe`.

T1204.001
Malicious Link
GroupFIN8

FIN8 has used emails with malicious links to lure victims into installing malware.

T1204.002
Malicious File
GroupFIN8

FIN8 has used malicious e-mail attachments to lure victims into executing malware.

T1566.001
Spearphishing Attachment
GroupFIN8

FIN8 has distributed targeted emails containing Word documents with embedded malicious macros.

Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.