faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 22:11

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General

Target

faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe
Size

108KB
MD5

41ad87ab3d21f78ced48d85f78215bf0
SHA1

28f53d571ee58c15a552c0b93ed35a8ca91c17bb
SHA256

faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb
SHA512

46f4d786a797ad1f725df5c713dc292e8a3c9242c4621a7a0945f2e43f95f28bd34b5fd95625c6d8600b2e2495bc50510b5081d1c92a615c735ea2dda6da8e1c
SSDEEP

1536:rnRVqAJCUHjyz+Ug5Tncp4HjBobaMyOqXkV5fxTiQqAF8WG71q:X30UHvUgNcCHjBoba0V5ZTiQqR71

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
936	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	936	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
816	faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 1652	816	faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe	85
PID 816 wrote to memory of 1652	816	faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe	85
PID 816 wrote to memory of 1652	816	faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe	85
PID 1652 wrote to memory of 936	1652	cmd.exe	87
PID 1652 wrote to memory of 936	1652	cmd.exe	87
PID 1652 wrote to memory of 936	1652	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe
"C:\Users\Admin\AppData\Local\Temp\faf5fef0bdb57c856288fc52b17450527735e0973f431eb0cb9658f68475e1fb.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del faf5fef0bdb57c856288fc52b174505277
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads