gandcrab | 939c7612586b2dd11cffbb95f3b22ba188f16a4dd767272c8723dffbc8e922eb

Analysis

max time kernel
143s
max time network
148s
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 18:42

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General

Target

2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
Size

74KB
MD5

59384f9b8ccbae1fafdd9cae70f5cb79
SHA1

e7deb19a605fb6a770c3abf6e08faa142b47ad08
SHA256

939c7612586b2dd11cffbb95f3b22ba188f16a4dd767272c8723dffbc8e922eb
SHA512

322ab00597d80357a5b97b2cd4394be8fd15640c42b88549a75e606d95c0ceeff1601da8190d3e18bc4ba7b3231abd7dc3f1f4ecc8837cef0ad39042672476b8
SSDEEP

1536:O555555555555pmgSeGDjtQhnwmmB0yJMqqU+2bbbAV2/S2mr3IdE8mne0Avu5ry:/MSjOnrmBxMqqDL2/mr3IdE8we0Avu5h

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/2004-0-0x0000000000550000-0x0000000000566000-memory.dmp	family_gandcrab
behavioral2/memory/2004-4-0x0000000000550000-0x0000000000566000-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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wsoecimexbq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe"	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_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)	\??\L:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\N:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\O:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\U:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\W:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\E:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\I:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\H:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\P:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\V:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\B:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\G:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\S:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\T:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\Y:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\Q:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\R:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\K:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\M:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\X:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\Z:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\A:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
File opened (read-only)	\??\J:	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe

System Location Discovery: System Language Discovery 1 TTPs 15 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	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	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_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

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 3756	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	83
PID 2004 wrote to memory of 3756	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	83
PID 2004 wrote to memory of 3756	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	83
PID 2004 wrote to memory of 3868	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	86
PID 2004 wrote to memory of 3868	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	86
PID 2004 wrote to memory of 3868	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	86
PID 2004 wrote to memory of 3788	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	97
PID 2004 wrote to memory of 3788	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	97
PID 2004 wrote to memory of 3788	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	97
PID 2004 wrote to memory of 3960	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	108
PID 2004 wrote to memory of 3960	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	108
PID 2004 wrote to memory of 3960	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	108
PID 2004 wrote to memory of 1976	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	112
PID 2004 wrote to memory of 1976	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	112
PID 2004 wrote to memory of 1976	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	112
PID 2004 wrote to memory of 1232	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	116
PID 2004 wrote to memory of 1232	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	116
PID 2004 wrote to memory of 1232	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	116
PID 2004 wrote to memory of 392	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	120
PID 2004 wrote to memory of 392	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	120
PID 2004 wrote to memory of 392	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	120
PID 2004 wrote to memory of 1768	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	123
PID 2004 wrote to memory of 1768	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	123
PID 2004 wrote to memory of 1768	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	123
PID 2004 wrote to memory of 1344	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	127
PID 2004 wrote to memory of 1344	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	127
PID 2004 wrote to memory of 1344	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	127
PID 2004 wrote to memory of 216	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	130
PID 2004 wrote to memory of 216	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	130
PID 2004 wrote to memory of 216	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	130
PID 2004 wrote to memory of 2656	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	133
PID 2004 wrote to memory of 2656	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	133
PID 2004 wrote to memory of 2656	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	133
PID 2004 wrote to memory of 620	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	137
PID 2004 wrote to memory of 620	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	137
PID 2004 wrote to memory of 620	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	137
PID 2004 wrote to memory of 4992	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	141
PID 2004 wrote to memory of 4992	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	141
PID 2004 wrote to memory of 4992	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	141
PID 2004 wrote to memory of 4520	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	144
PID 2004 wrote to memory of 4520	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	144
PID 2004 wrote to memory of 4520	2004	2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe	144

C:\Users\Admin\AppData\Local\Temp\2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-01_59384f9b8ccbae1fafdd9cae70f5cb79_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:2004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3868
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3788
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3960
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1976
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1232
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:392
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1768
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1344
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:216
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4992
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4520

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/2004-0-0x0000000000550000-0x0000000000566000-memory.dmp

Filesize
88KB

Download
memory/2004-4-0x0000000000550000-0x0000000000566000-memory.dmp

Filesize
88KB

Download