gandcrab | 057b70b49f7cf87e5874ee326be56742570e9286dc6f325a4c73eac2a00786b4

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 11:47

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General

Target

2024-12-20_5d7e14b35d6a77f323de2c88698abf83_magniber.exe
Size

277KB
MD5

5d7e14b35d6a77f323de2c88698abf83
SHA1

dff1f10de0669f2633dd4ae07d257088b7cbe734
SHA256

057b70b49f7cf87e5874ee326be56742570e9286dc6f325a4c73eac2a00786b4
SHA512

846a98cd1e7d769ecb03978de7d6d8de9ee521be29890f502dfea422498434a8fcb03c78dc256e275be6953d0f634771daf440e389e6a7799a3683773956b571
SSDEEP

6144:y3nHPDm0jLAu6Y5jEw564aoJxmhuw1AFkHK/:avbjf6YNFehQwo

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 5 IoCs

resource	yara_rule
behavioral2/memory/512-3-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/512-4-0x0000000000400000-0x000000000081C000-memory.dmp	family_gandcrab
behavioral2/memory/512-5-0x00000000026C0000-0x00000000026D7000-memory.dmp	family_gandcrab
behavioral2/memory/512-7-0x0000000000400000-0x000000000081C000-memory.dmp	family_gandcrab
behavioral2/memory/512-10-0x0000000000400000-0x0000000000428000-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
3012	512	WerFault.exe	82

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	2024-12-20_5d7e14b35d6a77f323de2c88698abf83_magniber.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 512 wrote to memory of 3412	512	2024-12-20_5d7e14b35d6a77f323de2c88698abf83_magniber.exe	83
PID 512 wrote to memory of 3412	512	2024-12-20_5d7e14b35d6a77f323de2c88698abf83_magniber.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-12-20_5d7e14b35d6a77f323de2c88698abf83_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-20_5d7e14b35d6a77f323de2c88698abf83_magniber.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:512
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 512 -s 34496
  2⤵
  - Program crash
  PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 512 -ip 512
1⤵
PID:4256

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/512-2-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/512-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/512-4-0x0000000000400000-0x000000000081C000-memory.dmp

Filesize
4.1MB

Download
memory/512-5-0x00000000026C0000-0x00000000026D7000-memory.dmp

Filesize
92KB

Download
memory/512-7-0x0000000000400000-0x000000000081C000-memory.dmp

Filesize
4.1MB

Download
memory/512-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download