89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24

Analysis

max time kernel
112s
max time network
145s
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 18:28

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General

Target

89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.exe
Size

140KB
MD5

81be1f3b55a6b6b259c358e4c7481040
SHA1

9c7f2b873be74628cf53d93c3707a80f001e5e19
SHA256

89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24
SHA512

3a25774646ef5b8b3b1b3930ea87942cb91fa065e568932a6fb38a961dbcc4869bb1f9de55146ebdfda41e9d442ca2f29d3adf97a7116adf279420d973af4f95
SSDEEP

1536:SKT/M+M6n0ZbvNTDXqLSsNP0Y/eTuXGRDefe8NtT3O3HMgAbHJatLG5uxJX620tH:BTCRjXOp/3e8XjUsgwHJ6LGkHXsH

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	89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.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	89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.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
1432	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1432	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4200	89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 2700	4200	89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.exe	80
PID 4200 wrote to memory of 2700	4200	89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.exe	80
PID 4200 wrote to memory of 2700	4200	89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.exe	80
PID 2700 wrote to memory of 1432	2700	cmd.exe	82
PID 2700 wrote to memory of 1432	2700	cmd.exe	82
PID 2700 wrote to memory of 1432	2700	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.exe
"C:\Users\Admin\AppData\Local\Temp\89a84bd692b13ec7cbb5294f4ef6479b91fe93270414ce126682bd6e88cbdc24.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 89a84bd692b13ec7cbb5294f4ef6479b91
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1432

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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