c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b

Analysis

max time kernel
112s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2022, 02:11

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General

Target
c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe
Size 23KB
Sample221011-cl8y4aaea4
SHA256 c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b
MD5 670817a59c499f302f1f111b05ed96f0
SHA1 e6bade97062f0edb99025a2cefb3dc5e5493c512
SHA512 5b575dd7894b0f62379e248341e74a836d91dc50323cdbdb137257760b784b25122bb7d51db2669c386c539a2c9cd3cb301b325c1faec6c82381118edd63970f
SSDEEP 384:a4vr1U11xwC0khzTmrJBSEg5LLjAvyV1SY9vZKIruugVltk1:/JUPR0khCdg5LYvqSY9vZMlVLm
MD5 SHA1 SHA512 SSDEEP

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	c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.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	c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.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
1948	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
636	c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 1340	636	c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe	83
PID 636 wrote to memory of 1340	636	c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe	83
PID 636 wrote to memory of 1340	636	c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe	83
PID 1340 wrote to memory of 1948	1340	cmd.exe	85
PID 1340 wrote to memory of 1948	1340	cmd.exe	85
PID 1340 wrote to memory of 1948	1340	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe
"C:\Users\Admin\AppData\Local\Temp\c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del c7d37fd0078ac0125ceb455576288a01a3a42ca1868bca96e28db3ae8957487b.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1948

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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