gandcrab | 39a26c49ee40b3ccce82c5c848cd5894226819f5c725b12370589478660df3ab

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 18:31

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General

Target

2024-11-11_997d58c9c0134e46f86c28244329ed2c_gandcrab.exe
Size

74KB
MD5

997d58c9c0134e46f86c28244329ed2c
SHA1

439d79eae747b7dca6228bd65642c070d5c86aa3
SHA256

39a26c49ee40b3ccce82c5c848cd5894226819f5c725b12370589478660df3ab
SHA512

aa636fc91b0a0278e5cd1258818b6224495b8ddf5fde85326e061c463fe0f4de84fd58ee5ad97b2b559b6a380624b4364b132d9a77fdf395ad72c8adc4f17406
SSDEEP

1536:zZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAmMqqU+2bbbAV2/S2LccuN:DBounVyFHjMqqDL2/LccC

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/1632-0-0x000000000F6D0000-0x000000000F6E8000-memory.dmp	family_gandcrab
behavioral1/memory/1632-1-0x000000000F6D0000-0x000000000F6E8000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab
Gandcrab family
gandcrab

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1872	1632	WerFault.exe	27

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-11_997d58c9c0134e46f86c28244329ed2c_gandcrab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1872	1632	2024-11-11_997d58c9c0134e46f86c28244329ed2c_gandcrab.exe	28
PID 1632 wrote to memory of 1872	1632	2024-11-11_997d58c9c0134e46f86c28244329ed2c_gandcrab.exe	28
PID 1632 wrote to memory of 1872	1632	2024-11-11_997d58c9c0134e46f86c28244329ed2c_gandcrab.exe	28
PID 1632 wrote to memory of 1872	1632	2024-11-11_997d58c9c0134e46f86c28244329ed2c_gandcrab.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-11-11_997d58c9c0134e46f86c28244329ed2c_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-11_997d58c9c0134e46f86c28244329ed2c_gandcrab.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 124
  2⤵
  - Program crash
  PID:1872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1632-0-0x000000000F6D0000-0x000000000F6E8000-memory.dmp

Filesize
96KB

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memory/1632-1-0x000000000F6D0000-0x000000000F6E8000-memory.dmp

Filesize
96KB

Download