gandcrab | 04e611b3c02a21bbd45bd4b2f78b10e5a7201d6f1fafe65563c4636fe09d79de

Analysis

max time kernel
91s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 16:46

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General

Target

2024-12-19_127c506ca208f5930a4d4c0d09a7ae95_magniber.exe
Size

277KB
MD5

127c506ca208f5930a4d4c0d09a7ae95
SHA1

8f927396a18a02f27cb9212ca0b039c3383f7ab4
SHA256

04e611b3c02a21bbd45bd4b2f78b10e5a7201d6f1fafe65563c4636fe09d79de
SHA512

22f7a053551c32b24b89cb8016eff8c4ce16ae3809056b3e256f6118f9e0715916963e6ea55da8de3f6f0d926fe14a00adb0e6ae90c4fec0db0817593478960c
SSDEEP

6144:P3nHPDm0jLAu6Y5jEw564aoJxmhuw1AFkHK/:vvbjf6YNFehQwo

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 5 IoCs

resource	yara_rule
behavioral2/memory/1728-4-0x0000000000400000-0x000000000081C000-memory.dmp	family_gandcrab
behavioral2/memory/1728-3-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/1728-5-0x0000000000A00000-0x0000000000A17000-memory.dmp	family_gandcrab
behavioral2/memory/1728-7-0x0000000000400000-0x000000000081C000-memory.dmp	family_gandcrab
behavioral2/memory/1728-10-0x0000000000400000-0x0000000000428000-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
4944	1728	WerFault.exe	80

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	2024-12-19_127c506ca208f5930a4d4c0d09a7ae95_magniber.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 4956	1728	2024-12-19_127c506ca208f5930a4d4c0d09a7ae95_magniber.exe	81
PID 1728 wrote to memory of 4956	1728	2024-12-19_127c506ca208f5930a4d4c0d09a7ae95_magniber.exe	81

C:\Users\Admin\AppData\Local\Temp\2024-12-19_127c506ca208f5930a4d4c0d09a7ae95_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-19_127c506ca208f5930a4d4c0d09a7ae95_magniber.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 34500
  2⤵
  - Program crash
  PID:4944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1728 -ip 1728
1⤵
PID:476

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/1728-1-0x0000000000A60000-0x0000000000B60000-memory.dmp

Filesize
1024KB

Download
memory/1728-4-0x0000000000400000-0x000000000081C000-memory.dmp

Filesize
4.1MB

Download
memory/1728-3-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1728-5-0x0000000000A00000-0x0000000000A17000-memory.dmp

Filesize
92KB

Download
memory/1728-7-0x0000000000400000-0x000000000081C000-memory.dmp

Filesize
4.1MB

Download
memory/1728-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download