ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981

Analysis

max time kernel
161s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 00:06

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General

Target

ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.exe
Size

92KB
MD5

7475b3dea552199e6c43c7fc96a08300
SHA1

de6cb7d4992f1829c994e943cee5783188f4815a
SHA256

ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981
SHA512

729be26c193917455f0ffb3db3cf753dfd51c0bbf2cc52fd9dfba7282e6751c1b9ae5e0ea107e8ded65597ec20a15f56abf6a0794cf6aac6a4fd514f3c7609d5
SSDEEP

768:R8ly7VQJBIg9NSqkiNxX+AvivdFrDwh08SaYPDglcfe7A+O2IBlZ8obPvdti8/d9:R8o7VQDwiNx+FdFrDwzlvAejTq4ATP4

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.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	ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.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
204	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	204	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5076	ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4396	5076	ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.exe	84
PID 5076 wrote to memory of 4396	5076	ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.exe	84
PID 5076 wrote to memory of 4396	5076	ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.exe	84
PID 4396 wrote to memory of 204	4396	cmd.exe	86
PID 4396 wrote to memory of 204	4396	cmd.exe	86
PID 4396 wrote to memory of 204	4396	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.exe
"C:\Users\Admin\AppData\Local\Temp\ab155e3c0c23307d830906cab7b88e4360d600443f8539c31d97af154a55c981.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del ab155e3c0c23307d830906cab7b88e4360
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4396
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:204

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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