c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a

Analysis

max time kernel
146s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 04:58

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General

Target

c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe
Size

92KB
MD5

812ae464b69bdd3bf16a28324606ffd0
SHA1

5a67fd0d1bc22f333d0a6b452b4a324ce576235a
SHA256

c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a
SHA512

52a6c46ec24a46183f99e9c1ca151648c85ee825467ca8684a1802ff1df26b7b843e570d345dadba466e5533064ead61c2c2499bf5a9b9aca1631d6f6ea10b95
SSDEEP

1536:t6Yv99blmZSQ/bYe0g/ICs+6kzYZVpekZKB0gOEgXGn:tvblmZSQ/bYPg/ICs+FCVpekZKBMJWn

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	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.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	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.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
4860	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4860	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3468	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 1492	3468	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe	81
PID 3468 wrote to memory of 1492	3468	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe	81
PID 3468 wrote to memory of 1492	3468	c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe	81
PID 1492 wrote to memory of 4860	1492	cmd.exe	83
PID 1492 wrote to memory of 4860	1492	cmd.exe	83
PID 1492 wrote to memory of 4860	1492	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe
"C:\Users\Admin\AppData\Local\Temp\c5b77c3bcab528afb8aab2f75d5ace07da4ee93ef1b55d6617a76509aaba152a.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3468
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del c5b77c3bcab528afb8aab2f75d5ace07da
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4860

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