b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28

Analysis

max time kernel
140s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 22:19

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General

Target

b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.exe
Size

88KB
MD5

34ecab344500d4a4bbd0eb770aea9882
SHA1

2c7dccb582aa06bb6a743f78d21d3598ac8b4fb8
SHA256

b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28
SHA512

f5894dbdf534e2e878e40023a6f280d0860ad82d9fadc04b19b084e5cac306761b9d2b1dab3b1fbf3acc19a170347e720f1b7fc736abd46d4935945d23040eb8
SSDEEP

1536:T+DvpuVSy3F2dXd+H6p5eQrkO93P18JOFrxCa:g3y3F2dXd9pEQrDNN8JOFrs

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.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	b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.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
2244	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2144	b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 3476	2144	b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.exe	85
PID 2144 wrote to memory of 3476	2144	b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.exe	85
PID 2144 wrote to memory of 3476	2144	b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.exe	85
PID 3476 wrote to memory of 2244	3476	cmd.exe	87
PID 3476 wrote to memory of 2244	3476	cmd.exe	87
PID 3476 wrote to memory of 2244	3476	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.exe
"C:\Users\Admin\AppData\Local\Temp\b68f2bb6241a1ba285e47b7a53b103634717ccffc99f9d3b669e493e7f429f28.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del b68f2bb6241a1ba285e47b7a53b1036347
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3476
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2244

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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