gandcrab | 0fc122026ff887be142999d6d85fd363b461c912bd27f96221a7123d4629ceec

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2025, 03:42

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General

Target

JaffaCakes118_45e7826967170a3f678adeb339256d0e.exe
Size

276KB
MD5

45e7826967170a3f678adeb339256d0e
SHA1

7f4186153dc40a74b258acd7b55a99d31f6b6302
SHA256

0fc122026ff887be142999d6d85fd363b461c912bd27f96221a7123d4629ceec
SHA512

d5d288d48545481ade9f2e23dc41b98997d60abf3dae9966648cc6e8532717409b3eb43be03f1c79849d881ce46f225b5e05100e134fa97fc2736b843776955b
SSDEEP

6144:/a1G8FVA6adUedCqdo1NGKXmhYvWVQMBCXaFhWzAJM:8FG6adUncu8Ykv2aFhUN

Score

10^/10

gandcrab backdoor discovery ransomware upx

Malware Config

Signatures

GandCrab payload 3 IoCs

resource	yara_rule
behavioral2/memory/4596-6-0x0000000000400000-0x0000000000448000-memory.dmp	family_gandcrab
behavioral2/memory/4596-7-0x0000000000720000-0x0000000000737000-memory.dmp	family_gandcrab
behavioral2/memory/4596-11-0x0000000000400000-0x000000000042C000-memory.dmp	family_gandcrab

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4596-0-0x0000000000400000-0x0000000000448000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1336	4596	WerFault.exe	81

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	JaffaCakes118_45e7826967170a3f678adeb339256d0e.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_45e7826967170a3f678adeb339256d0e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_45e7826967170a3f678adeb339256d0e.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 464
  2⤵
  - Program crash
  PID:1336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4596 -ip 4596
1⤵
PID:4908

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/4596-0-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/4596-3-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/4596-4-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4596-6-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/4596-7-0x0000000000720000-0x0000000000737000-memory.dmp

Filesize
92KB

Download
memory/4596-11-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download