gandcrab | 7909bdf74318c35cbd28d1eef682fd26ab6b39143c2da09c630e8d79d84cfd5b

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26/03/2025, 08:48

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General

Target

2025-03-26_d90919fa768daa3848b94fb2c92d30b0_gandcrab.exe
Size

69KB
MD5

d90919fa768daa3848b94fb2c92d30b0
SHA1

ff22f7d1e7a573bc853904e991497b5517448e11
SHA256

7909bdf74318c35cbd28d1eef682fd26ab6b39143c2da09c630e8d79d84cfd5b
SHA512

5f74062ced0b47d591a68823e7eabd508aa67d79ae35b861943f4af81d340b2d91598ba679c5f24ffaee4ba0cf54a191512835debf10c3e30067ab1f9e0f77f8
SSDEEP

1536:/ZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAmMqqU+2bbbAV2/S2Lccu:XBounVyFHjMqqDL2/Lcc

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 1 IoCs

resource	yara_rule
behavioral1/memory/796-0-0x000000000FBE0000-0x000000000FBF6000-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
2300	796	WerFault.exe	28

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	2025-03-26_d90919fa768daa3848b94fb2c92d30b0_gandcrab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 2300	796	2025-03-26_d90919fa768daa3848b94fb2c92d30b0_gandcrab.exe	29
PID 796 wrote to memory of 2300	796	2025-03-26_d90919fa768daa3848b94fb2c92d30b0_gandcrab.exe	29
PID 796 wrote to memory of 2300	796	2025-03-26_d90919fa768daa3848b94fb2c92d30b0_gandcrab.exe	29
PID 796 wrote to memory of 2300	796	2025-03-26_d90919fa768daa3848b94fb2c92d30b0_gandcrab.exe	29

C:\Users\Admin\AppData\Local\Temp\2025-03-26_d90919fa768daa3848b94fb2c92d30b0_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-26_d90919fa768daa3848b94fb2c92d30b0_gandcrab.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 124
  2⤵
  - Program crash
  PID:2300

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

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Downloads

memory/796-0-0x000000000FBE0000-0x000000000FBF6000-memory.dmp

Filesize
88KB

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