af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f

Analysis

max time kernel
147s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 06:53

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General

Target

af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.exe
Size

92KB
MD5

6ae9afa2ae0500ccf5acd49137479670
SHA1

fa681349c19372544aec42cd854ca48e3d44828e
SHA256

af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f
SHA512

0f7560d7b7ff8390a8b049df6327fa4e28b8bfa54697c5dce55f9b46a7cb699d27e885eda07b57cfc7e3a908fb3c8ff6bf38786a0e66a3262c311f266f729bf0
SSDEEP

1536:eFQg1MkSxFU0i2TqnuzQ6GDNNMlRQYWAHXh2W18LN2sqb5P5WEZrDBo+xI6r4rrp:QMkSxa0i2TquzQ6GDNNMfQYWAHXh3yL5

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.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	af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.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
2032	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4512	af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 980	4512	af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.exe	83
PID 4512 wrote to memory of 980	4512	af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.exe	83
PID 4512 wrote to memory of 980	4512	af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.exe	83
PID 980 wrote to memory of 2032	980	cmd.exe	85
PID 980 wrote to memory of 2032	980	cmd.exe	85
PID 980 wrote to memory of 2032	980	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.exe
"C:\Users\Admin\AppData\Local\Temp\af38af921cca547d8520c12ebca6337f26f437bb03e136841652dd679a81fc4f.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del af38af921cca547d8520c12ebca6337f26
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2032

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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