gandcrab | a911c596ddd8d308917351a8add1c6f53922b5121bc8518b2031bca5d39f8013

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 18:25

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General

Target

2024-11-11_226da8a15e9ba410f222166264e7b5da_gandcrab.exe
Size

74KB
MD5

226da8a15e9ba410f222166264e7b5da
SHA1

40eda3b42333240aa973072dc109d8c6e04937d7
SHA256

a911c596ddd8d308917351a8add1c6f53922b5121bc8518b2031bca5d39f8013
SHA512

aa96ad64f692993c246edbb8ebf870a3c03e1f74bf4e2091c7b2bd27fe35caa7251034f1273997cf71e42683bb542343434cf47dab020d1d7dbeadc31cbfab6d
SSDEEP

1536:OZZZZZZZZZZZZpXzzzzzzzzzzzzV9rXounV98hbHnAwfMqqU+2bbbAV2/S2LkvdO:YBounVyFHpfMqqDL2/LkvdWrX

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/956-0-0x000000000F3F0000-0x000000000F408000-memory.dmp	family_gandcrab
behavioral1/memory/956-1-0x000000000F3F0000-0x000000000F408000-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
2300	956	WerFault.exe	30

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	2024-11-11_226da8a15e9ba410f222166264e7b5da_gandcrab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 2300	956	2024-11-11_226da8a15e9ba410f222166264e7b5da_gandcrab.exe	31
PID 956 wrote to memory of 2300	956	2024-11-11_226da8a15e9ba410f222166264e7b5da_gandcrab.exe	31
PID 956 wrote to memory of 2300	956	2024-11-11_226da8a15e9ba410f222166264e7b5da_gandcrab.exe	31
PID 956 wrote to memory of 2300	956	2024-11-11_226da8a15e9ba410f222166264e7b5da_gandcrab.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-11-11_226da8a15e9ba410f222166264e7b5da_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-11_226da8a15e9ba410f222166264e7b5da_gandcrab.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 124
  2⤵
  - Program crash
  PID:2300

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/956-0-0x000000000F3F0000-0x000000000F408000-memory.dmp

Filesize
96KB

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memory/956-1-0x000000000F3F0000-0x000000000F408000-memory.dmp

Filesize
96KB

Download