gandcrab | 7a4cf0d45f9610aa420a02eaf136f38610a2949518b32f47f8d71597d9a43e36

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 12:17

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General

Target

efc69535ef2c5381226b8584b8144e09_JaffaCakes118.exe
Size

69KB
MD5

efc69535ef2c5381226b8584b8144e09
SHA1

eee34eb52f30fac54d50e0b3ad16f008764d9b23
SHA256

7a4cf0d45f9610aa420a02eaf136f38610a2949518b32f47f8d71597d9a43e36
SHA512

c0aba1716f57a02f82df3a444a8b8c0b6ab57c5524bfa258e89dc01ffac3e42851431d257e259c38561d690e2f957ca9ea0c437afd7215aab42eed0020b34673
SSDEEP

1536:NZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAmMqqU+2bbbAV2/S2Lccu:xBounVyFHjMqqDL2/Lcc

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 1 IoCs

resource	yara_rule
behavioral1/memory/1252-0-0x000000000FD00000-0x000000000FD16000-memory.dmp	family_gandcrab

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1280	1252	WerFault.exe	29

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	efc69535ef2c5381226b8584b8144e09_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 1280	1252	efc69535ef2c5381226b8584b8144e09_JaffaCakes118.exe	30
PID 1252 wrote to memory of 1280	1252	efc69535ef2c5381226b8584b8144e09_JaffaCakes118.exe	30
PID 1252 wrote to memory of 1280	1252	efc69535ef2c5381226b8584b8144e09_JaffaCakes118.exe	30
PID 1252 wrote to memory of 1280	1252	efc69535ef2c5381226b8584b8144e09_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\efc69535ef2c5381226b8584b8144e09_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efc69535ef2c5381226b8584b8144e09_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 124
  2⤵
  - Program crash
  PID:1280

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/1252-0-0x000000000FD00000-0x000000000FD16000-memory.dmp

Filesize
88KB

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