gandcrab | 2d6ccd2ccd763bcf4c8e1f1ba2b8663f696135b7958d552358581d542b163873

Analysis

max time kernel
150s
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
01/01/2025, 18:26

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General

Target

2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
Size

74KB
MD5

028359ce45432d6f57cc85534d1761fb
SHA1

c861416e334b6e38b0653b8ca1661d3dd47e1b63
SHA256

2d6ccd2ccd763bcf4c8e1f1ba2b8663f696135b7958d552358581d542b163873
SHA512

e49e2171339150d487cb3595fd20add3042e0af731b79ab939ce217440d67e34545ce8cabaf5e89b0dedd3c2de2cac62e318ff9eee8488266745da04c687869b
SSDEEP

1536:C55u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rJ:4MSjOnrmBTMqqDL2/mr3IdE8we0Avu5F

Score

10^/10

gandcrab backdoor discovery persistence ransomware

Malware Config

Extracted

Family

gandcrab

http://gdcbghvjyqy7jclk.onion.top/

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral2/memory/1872-0-0x0000000000DE0000-0x0000000000DF6000-memory.dmp	family_gandcrab
behavioral2/memory/1872-4-0x0000000000DE0000-0x0000000000DF6000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab
Gandcrab family
gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\shfftdfbihy = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe"	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\A:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\G:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\M:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\S:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\Z:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\Q:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\R:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\T:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\B:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\J:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\K:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\L:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\O:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\V:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\Y:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\N:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\P:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\W:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\E:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\H:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\I:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\U:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
File opened (read-only)	\??\X:	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe

System Location Discovery: System Language Discovery 1 TTPs 16 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	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 4372	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	84
PID 1872 wrote to memory of 4372	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	84
PID 1872 wrote to memory of 4372	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	84
PID 1872 wrote to memory of 1056	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	87
PID 1872 wrote to memory of 1056	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	87
PID 1872 wrote to memory of 1056	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	87
PID 1872 wrote to memory of 5012	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	103
PID 1872 wrote to memory of 5012	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	103
PID 1872 wrote to memory of 5012	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	103
PID 1872 wrote to memory of 244	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	109
PID 1872 wrote to memory of 244	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	109
PID 1872 wrote to memory of 244	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	109
PID 1872 wrote to memory of 872	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	114
PID 1872 wrote to memory of 872	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	114
PID 1872 wrote to memory of 872	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	114
PID 1872 wrote to memory of 4100	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	118
PID 1872 wrote to memory of 4100	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	118
PID 1872 wrote to memory of 4100	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	118
PID 1872 wrote to memory of 628	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	123
PID 1872 wrote to memory of 628	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	123
PID 1872 wrote to memory of 628	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	123
PID 1872 wrote to memory of 3608	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	127
PID 1872 wrote to memory of 3608	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	127
PID 1872 wrote to memory of 3608	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	127
PID 1872 wrote to memory of 4128	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	131
PID 1872 wrote to memory of 4128	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	131
PID 1872 wrote to memory of 4128	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	131
PID 1872 wrote to memory of 4500	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	135
PID 1872 wrote to memory of 4500	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	135
PID 1872 wrote to memory of 4500	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	135
PID 1872 wrote to memory of 5036	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	139
PID 1872 wrote to memory of 5036	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	139
PID 1872 wrote to memory of 5036	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	139
PID 1872 wrote to memory of 2460	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	143
PID 1872 wrote to memory of 2460	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	143
PID 1872 wrote to memory of 2460	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	143
PID 1872 wrote to memory of 452	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	147
PID 1872 wrote to memory of 452	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	147
PID 1872 wrote to memory of 452	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	147
PID 1872 wrote to memory of 2068	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	151
PID 1872 wrote to memory of 2068	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	151
PID 1872 wrote to memory of 2068	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	151
PID 1872 wrote to memory of 3132	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	155
PID 1872 wrote to memory of 3132	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	155
PID 1872 wrote to memory of 3132	1872	2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe	155

C:\Users\Admin\AppData\Local\Temp\2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-01_028359ce45432d6f57cc85534d1761fb_gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4372
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1056
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:244
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:872
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4100
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4128
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4500
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5036
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2460
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:452
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/1872-0-0x0000000000DE0000-0x0000000000DF6000-memory.dmp

Filesize
88KB

Download
memory/1872-4-0x0000000000DE0000-0x0000000000DF6000-memory.dmp

Filesize
88KB

Download