gandcrab | 7990b9459657fa112fa596e2246529a65f118ef70d61c5afe637c062c23cb731

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/01/2025, 00:25

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General

Target

2025-01-29_37295ef9b1c6da9312fa28d94a784e39_gandcrab.exe
Size

75KB
MD5

37295ef9b1c6da9312fa28d94a784e39
SHA1

668873368e2920296f433e8340949787c6ac39c7
SHA256

7990b9459657fa112fa596e2246529a65f118ef70d61c5afe637c062c23cb731
SHA512

74fb4390e92e8e0f4b59fc2135e9aae9bab9488c60cc6e4c5277d8e864cbdd2a0b384dc428ffe956b5e49c2983c5d7ea9497e4b5ad707c2b05d198b1bdd1fc99
SSDEEP

1536:9ZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngh0yMqqU+2bbbAV2/S2Ovvf:8d5BJ6rMqqDL2/Ovvdrx

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/2120-0-0x000000000F300000-0x000000000F3169F8-memory.dmp	family_gandcrab
behavioral1/memory/2120-1-0x000000000F300000-0x000000000F3169F8-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
2344	2120	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	2025-01-29_37295ef9b1c6da9312fa28d94a784e39_gandcrab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2344	2120	2025-01-29_37295ef9b1c6da9312fa28d94a784e39_gandcrab.exe	30
PID 2120 wrote to memory of 2344	2120	2025-01-29_37295ef9b1c6da9312fa28d94a784e39_gandcrab.exe	30
PID 2120 wrote to memory of 2344	2120	2025-01-29_37295ef9b1c6da9312fa28d94a784e39_gandcrab.exe	30
PID 2120 wrote to memory of 2344	2120	2025-01-29_37295ef9b1c6da9312fa28d94a784e39_gandcrab.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-01-29_37295ef9b1c6da9312fa28d94a784e39_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_37295ef9b1c6da9312fa28d94a784e39_gandcrab.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 124
  2⤵
  - Program crash
  PID:2344

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/2120-0-0x000000000F300000-0x000000000F3169F8-memory.dmp

Filesize
90KB

Download
memory/2120-1-0x000000000F300000-0x000000000F3169F8-memory.dmp

Filesize
90KB

Download