gandcrab | f43a11d0ab8bc5ec5b1a75ae902a6a58485fba6b69e9ef376a53575b6e2e2782

Analysis

max time kernel
93s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 14:28

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General

Target

2024-11-06_2e0ddc32e8327153008b8b6ad6a263f3_magniber.exe
Size

277KB
MD5

2e0ddc32e8327153008b8b6ad6a263f3
SHA1

615a38357a09b0aed119faf4a920775b2a0c372c
SHA256

f43a11d0ab8bc5ec5b1a75ae902a6a58485fba6b69e9ef376a53575b6e2e2782
SHA512

70bb558131ddf200e064580da39c84fe65c2d982dc17b706733c4eecff542431000af2c8168cfe21c4c9760efc36ebd7d32650667ae469e5e84a25d6c29d071b
SSDEEP

6144:X3nHPDm0jLAu6Y5jEw564aoJxmhuw1AFkHK/:nvbjf6YNFehQwo

Score

10^/10

gandcrab backdoor discovery ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral2/memory/3228-4-0x0000000000830000-0x0000000000847000-memory.dmp	family_gandcrab
behavioral2/memory/3228-6-0x0000000000400000-0x000000000081C000-memory.dmp	family_gandcrab
behavioral2/memory/3228-7-0x0000000000400000-0x000000000081C000-memory.dmp	family_gandcrab
behavioral2/memory/3228-10-0x0000000000400000-0x0000000000428000-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
1916	3228	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	2024-11-06_2e0ddc32e8327153008b8b6ad6a263f3_magniber.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 2192	3228	2024-11-06_2e0ddc32e8327153008b8b6ad6a263f3_magniber.exe	83
PID 3228 wrote to memory of 2192	3228	2024-11-06_2e0ddc32e8327153008b8b6ad6a263f3_magniber.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-06_2e0ddc32e8327153008b8b6ad6a263f3_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-06_2e0ddc32e8327153008b8b6ad6a263f3_magniber.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 34500
  2⤵
  - Program crash
  PID:1916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3228 -ip 3228
1⤵
PID:2168

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/3228-1-0x0000000000A30000-0x0000000000B30000-memory.dmp

Filesize
1024KB

Download
memory/3228-2-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3228-4-0x0000000000830000-0x0000000000847000-memory.dmp

Filesize
92KB

Download
memory/3228-6-0x0000000000400000-0x000000000081C000-memory.dmp

Filesize
4.1MB

Download
memory/3228-7-0x0000000000400000-0x000000000081C000-memory.dmp

Filesize
4.1MB

Download
memory/3228-10-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download