gandcrab | 1081997767a7d095304a3b3940a4d19971bada742cdf5d140a27631e63ecfe91

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 23:45

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General

Target

dd42047d96d77417f4fd05cfa7749546_JaffaCakes118.exe
Size

69KB
MD5

dd42047d96d77417f4fd05cfa7749546
SHA1

01f2b88cd1de854a538a9f695ea500d7eed0d501
SHA256

1081997767a7d095304a3b3940a4d19971bada742cdf5d140a27631e63ecfe91
SHA512

96401d309bf27bf991ac09f185125c3c222c3a9bb08ec72c0121cf3eb368ef0901a1a3e7d97008456e3551dfa5eaa3542729c818a56da6b6b1d9d0406614dd88
SSDEEP

1536:6ZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAmMqqU+2bbbAV2/S2Lccu:sBounVyFHjMqqDL2/Lcc

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 1 IoCs

resource	yara_rule
behavioral1/memory/2432-0-0x000000000FBC0000-0x000000000FBD6000-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
3064	2432	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	dd42047d96d77417f4fd05cfa7749546_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3064	2432	dd42047d96d77417f4fd05cfa7749546_JaffaCakes118.exe	30
PID 2432 wrote to memory of 3064	2432	dd42047d96d77417f4fd05cfa7749546_JaffaCakes118.exe	30
PID 2432 wrote to memory of 3064	2432	dd42047d96d77417f4fd05cfa7749546_JaffaCakes118.exe	30
PID 2432 wrote to memory of 3064	2432	dd42047d96d77417f4fd05cfa7749546_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\dd42047d96d77417f4fd05cfa7749546_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd42047d96d77417f4fd05cfa7749546_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 124
  2⤵
  - Program crash
  PID:3064

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/2432-0-0x000000000FBC0000-0x000000000FBD6000-memory.dmp

Filesize
88KB

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