f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7

Analysis

max time kernel
112s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 14:52

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General

Target

f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.exe
Size

60KB
MD5

310742abcb253eb9b0a16ed2097d2710
SHA1

d8202ddb0aab7371af7fe0ecdbbe4bb82404063f
SHA256

f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7
SHA512

1f069c0b95d476b9f6546415453e7682b431ec4aa4afbc6c0618ae9bb8148c321048fa02cbb05e8ecd3c290d7bfaf34f6a4539e4e6df4f5b9ffbf4c4ae6f5add
SSDEEP

768:6p16Fltfq6G087m9kkewnowfd00hXXofDpqFHz/YBvVWy:416FltfZG0Roy3XobpCTMNB

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.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	f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.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
4624	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4624	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1408	f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 1596	1408	f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.exe	79
PID 1408 wrote to memory of 1596	1408	f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.exe	79
PID 1408 wrote to memory of 1596	1408	f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.exe	79
PID 1596 wrote to memory of 4624	1596	cmd.exe	81
PID 1596 wrote to memory of 4624	1596	cmd.exe	81
PID 1596 wrote to memory of 4624	1596	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.exe
"C:\Users\Admin\AppData\Local\Temp\f8a0a3d4ad79e23736535829dad3da44aa7a352a14bfc2acdc94d5afc70b3da7.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del f8a0a3d4ad79e23736535829dad3da44aa
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4624

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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