gandcrab | 10a7de58cba32e7408b881bb4d27a51d74162ad6a8140fd3064d2fcc289ce8a9

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/08/2026, 02:35

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General

Target
2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
Size 73KB
Sample260825-c3cl8a11ft
SHA256 10a7de58cba32e7408b881bb4d27a51d74162ad6a8140fd3064d2fcc289ce8a9
MD5 bc23273aba2e2fdb1b5f999b2548621d
SHA1 ff312bae9945b49c528b69e198500a16e6a091f3
SHA512 76f0dd241fec385125ebc6e96a7fc7be312913b36412cd9ec7f3dbd4d638efa0d1579120bffc362b6173a4041bd6d13db50f654a83b99e2685ba56d411aeff4b
SSDEEP 1536:P555555555555pmgSeGDjtQhnwmmB0yTDMqqU+2bbbAV2/S2mr3IdE8mne0Avu50:QMSjOnrmBHMqqDL2/mr3IdE8we0Avu5X
TLSH
T15A735A0539E08233E6E3F97BB574BDE5483A7ED817187AEF00A614BD19261D20935B4F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery gandcrab persistence ransomware

Malware Config

Extracted

Family

gandcrab

http://gdcbghvjyqy7jclk.onion.top/

Signatures

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

GandCrab payload 1 IoCs

resource	yara_rule
behavioral1/memory/2512-0-0x0000000000330000-0x0000000000346000-memory.dmp	family_gandcrab

Detects ransomware indicator 1 IoCs

resource	yara_rule
behavioral1/memory/2512-0-0x0000000000330000-0x0000000000346000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2512-0-0x0000000000330000-0x0000000000346000-memory.dmp	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-1-5-21-1788976790-1541110888-1636651838-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\nzdufcakdsq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe"	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.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)	\??\I:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\J:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\N:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\O:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\P:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\R:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\T:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\E:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\H:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\L:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\S:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\W:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\X:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\Y:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\M:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\V:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\Z:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\A:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\G:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\K:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\Q:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\U:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
File opened (read-only)	\??\B:	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.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	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.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
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 6 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\ProcessorNameString	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 1800	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	84
PID 2512 wrote to memory of 2168	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	90
PID 2512 wrote to memory of 5092	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	94
PID 2512 wrote to memory of 4040	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	101
PID 2512 wrote to memory of 3536	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	104
PID 2512 wrote to memory of 4620	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	107
PID 2512 wrote to memory of 2980	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	110
PID 2512 wrote to memory of 3244	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	118
PID 2512 wrote to memory of 3540	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	125
PID 2512 wrote to memory of 1728	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	129
PID 2512 wrote to memory of 4656	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	133
PID 2512 wrote to memory of 1272	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	136
PID 2512 wrote to memory of 4604	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	140
PID 2512 wrote to memory of 4664	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	143
PID 2512 wrote to memory of 3056	2512	2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe	147

C:\Users\Admin\AppData\Local\Temp\2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.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:2512
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1800
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2168
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5092
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3536
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2980
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3244
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1728
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1272
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4664
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3056

C:\Users\Admin\AppData\Local\Temp\2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
C:\Users\Admin\AppData\Local\Temp\2026-08-24_bc23273aba2e2fdb1b5f999b2548621d_elex_gandcrab_maze_rhadamanthys.exe
1⤵
- Checks processor information in registry
PID:4724