gandcrab | ab42d27e7ee47230c076c8992fa580095a3bb20265b34674384cfcb96a6a6c0d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05/09/2024, 23:33

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General

Target

ce27eeea02bda3acc7c25f0077ddd349_JaffaCakes118.exe
Size

69KB
MD5

ce27eeea02bda3acc7c25f0077ddd349
SHA1

126d367d3b755134fd2c1bdaf06c8125d403f3f9
SHA256

ab42d27e7ee47230c076c8992fa580095a3bb20265b34674384cfcb96a6a6c0d
SHA512

f881a577ac599881b734f9ff2fe0a9ccdbf277a7781ecfe7d548362c82252aa3f8090e5f31d16f7cd1db3c7376ea986ffd459286183714a51164529db049aca5
SSDEEP

1536:rZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAmMqqU+2bbbAV2/S2Lccu:rBounVyFHjMqqDL2/Lcc

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 1 IoCs

resource	yara_rule
behavioral1/memory/1476-0-0x000000000F900000-0x000000000F916000-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
2404	1476	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	ce27eeea02bda3acc7c25f0077ddd349_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 2404	1476	ce27eeea02bda3acc7c25f0077ddd349_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2404	1476	ce27eeea02bda3acc7c25f0077ddd349_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2404	1476	ce27eeea02bda3acc7c25f0077ddd349_JaffaCakes118.exe	30
PID 1476 wrote to memory of 2404	1476	ce27eeea02bda3acc7c25f0077ddd349_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\ce27eeea02bda3acc7c25f0077ddd349_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce27eeea02bda3acc7c25f0077ddd349_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 124
  2⤵
  - Program crash
  PID:2404

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/1476-0-0x000000000F900000-0x000000000F916000-memory.dmp

Filesize
88KB

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