8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197

Analysis

max time kernel
112s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 16:23

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General

Target

8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.exe
Size

112KB
MD5

68a98b2a13fda3c7d1f29e512ef5c52e
SHA1

a3b9520cad3cc9db6433ca57bc745781fd1418d7
SHA256

8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197
SHA512

f311052633089917b79b42f682438e7f388d4e4d53d79660a97f36672b5a6256b6a79d20575d2833f6f4462319f4f435b5c4d5105b16d4b10653a70982cc0eac
SSDEEP

1536:E9wrhoUwQFkQZI2LSkS+yiPmuHS/UWrUuOOJE5fiExEENYaIT8fvyJ:E9wuQmQegjTHScWrUmJElxEEC6v

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	8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.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	8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.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
3732	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3732	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5028	8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 1460	5028	8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.exe	84
PID 5028 wrote to memory of 1460	5028	8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.exe	84
PID 5028 wrote to memory of 1460	5028	8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.exe	84
PID 1460 wrote to memory of 3732	1460	cmd.exe	86
PID 1460 wrote to memory of 3732	1460	cmd.exe	86
PID 1460 wrote to memory of 3732	1460	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.exe
"C:\Users\Admin\AppData\Local\Temp\8a28a1d91e732a6310d30f430e970c1b6560b0d00baa23173d8f6acd629ea197.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 8a28a1d91e732a6310d30f430e970c1b65
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3732

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

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Downloads