4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e

Analysis

max time kernel
157s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 19:50

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General

Target

4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.exe
Size

84KB
MD5

a172dfd1f1ee142fe5e6155e6490ee50
SHA1

871c04aeec41b1b4b134df12ab6babf3f5abd8d3
SHA256

4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e
SHA512

307dcef9b4937f0df408d595e1bc2b0954a0eeb131515c41ac4d9f38856e6f7bbfcca7fd8b5b91d98267dbb6fe6a88a6ee34089adaa295a2e9f82c98f8cc494e
SSDEEP

1536:MJV+q7wRRjJF2oafPl38cPQep5TfjDS9i51+2SI4iMo/XsMe:vqcTjJF2oaX9pjr3XlqM

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	4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.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	4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.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
4856	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2996	4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2996 wrote to memory of 2040	2996	4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.exe	79
PID 2996 wrote to memory of 2040	2996	4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.exe	79
PID 2996 wrote to memory of 2040	2996	4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.exe	79
PID 2040 wrote to memory of 4856	2040	cmd.exe	81
PID 2040 wrote to memory of 4856	2040	cmd.exe	81
PID 2040 wrote to memory of 4856	2040	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.exe
"C:\Users\Admin\AppData\Local\Temp\4b2f1257d593c5211b7ef52c3b93ca03241c638e04bf216549c25577bb10c40e.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 4b2f1257d593c5211b7ef52c3b93ca0324
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4856

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