gandcrab | e7141aa12c5aa728962bf2aaeb37ff59e091335406898f813d593c0b3b30f73c

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 19:46

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General

Target

2025-01-13_274e390c4fb90d52b6eb0dab09ed3f44_magniber.exe
Size

277KB
MD5

274e390c4fb90d52b6eb0dab09ed3f44
SHA1

34e92c0d42740a4dc8cff7c15037363751e637c4
SHA256

e7141aa12c5aa728962bf2aaeb37ff59e091335406898f813d593c0b3b30f73c
SHA512

036e24b0f00ffd3dad1b57fc12d42b59d860d9b63358c0b45c0d7c45fa2b9fccbc129e2768bfab50848f6954823ec2425629abc6028c28ae12f5bec7656282d8
SSDEEP

6144:33nHPDm0jLAu6Y5jEw564aoJxmhuw1AFkHK/:Hvbjf6YNFehQwo

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral2/memory/4016-4-0x0000000000400000-0x000000000081C000-memory.dmp	family_gandcrab
behavioral2/memory/4016-3-0x0000000000412000-0x0000000000425000-memory.dmp	family_gandcrab
behavioral2/memory/4016-5-0x0000000000830000-0x0000000000847000-memory.dmp	family_gandcrab
behavioral2/memory/4016-7-0x0000000000400000-0x000000000081C000-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
4756	4016	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	2025-01-13_274e390c4fb90d52b6eb0dab09ed3f44_magniber.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4016 wrote to memory of 3388	4016	2025-01-13_274e390c4fb90d52b6eb0dab09ed3f44_magniber.exe	82
PID 4016 wrote to memory of 3388	4016	2025-01-13_274e390c4fb90d52b6eb0dab09ed3f44_magniber.exe	82

C:\Users\Admin\AppData\Local\Temp\2025-01-13_274e390c4fb90d52b6eb0dab09ed3f44_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-13_274e390c4fb90d52b6eb0dab09ed3f44_magniber.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4016
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 34496
  2⤵
  - Program crash
  PID:4756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4016 -ip 4016
1⤵
PID:4904

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/4016-4-0x0000000000400000-0x000000000081C000-memory.dmp

Filesize
4.1MB

Download
memory/4016-3-0x0000000000412000-0x0000000000425000-memory.dmp

Filesize
76KB

Download
memory/4016-2-0x0000000000880000-0x0000000000980000-memory.dmp

Filesize
1024KB

Download
memory/4016-5-0x0000000000830000-0x0000000000847000-memory.dmp

Filesize
92KB

Download
memory/4016-7-0x0000000000400000-0x000000000081C000-memory.dmp

Filesize
4.1MB

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