gandcrab | 7c743b6a6bba52f91bd73604da2f1f9506c550d6619400d349cdb7b731c61a2f

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 11:39

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General

Target

7c743b6a6bba52f91bd73604da2f1f9506c550d6619400d349cdb7b731c61a2fN.exe
Size

256KB
MD5

a347b636699dae58261ae16f5ef5ece0
SHA1

3dbf91fe19107a8e88fdc08847def94bd73e2d63
SHA256

7c743b6a6bba52f91bd73604da2f1f9506c550d6619400d349cdb7b731c61a2f
SHA512

58137b014132aeaeb354127ac623e6de75f9f787bfbfa0f99a3bc087173b69aab4eceb7d56c4eb576d4040be848a271aea40882b45fd78fd0a03cebdbf71f123
SSDEEP

6144:rhvaHGULrgyWh0/Ro/FbzneuttdQPLAumwrSD:1aH30h0/RoZ7euttCsumwOD

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 3 IoCs

resource	yara_rule
behavioral2/memory/2276-3-0x0000000000400000-0x000000000048A000-memory.dmp	family_gandcrab
behavioral2/memory/2276-4-0x0000000000650000-0x0000000000667000-memory.dmp	family_gandcrab
behavioral2/memory/2276-8-0x0000000000400000-0x000000000042C000-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
1548	2276	WerFault.exe	82

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	7c743b6a6bba52f91bd73604da2f1f9506c550d6619400d349cdb7b731c61a2fN.exe

C:\Users\Admin\AppData\Local\Temp\7c743b6a6bba52f91bd73604da2f1f9506c550d6619400d349cdb7b731c61a2fN.exe
"C:\Users\Admin\AppData\Local\Temp\7c743b6a6bba52f91bd73604da2f1f9506c550d6619400d349cdb7b731c61a2fN.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 480
  2⤵
  - Program crash
  PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2276 -ip 2276
1⤵
PID:2640

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/2276-1-0x00000000006C0000-0x00000000007C0000-memory.dmp

Filesize
1024KB

Download
memory/2276-2-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2276-3-0x0000000000400000-0x000000000048A000-memory.dmp

Filesize
552KB

Download
memory/2276-4-0x0000000000650000-0x0000000000667000-memory.dmp

Filesize
92KB

Download
memory/2276-8-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download