gandcrab | 6116c00004cb34d210496208cfe975e10bd481c79516fd3161dd2f972cb5e086

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 09:32

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General

Target

2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
Size

240KB
MD5

9d0eeac42cce64d8f8a0bb1b3b21c11d
SHA1

70edfde80c59a36ba20a54738892a9029075f7b8
SHA256

6116c00004cb34d210496208cfe975e10bd481c79516fd3161dd2f972cb5e086
SHA512

5610b50c34174e217c0578c1f2896c6971b6971d451653114fad4b605c78c65ed92dfed38671a5f516db9ae3dea58bfbe9919fffc53d0c8705e0a65b0be6fc84
SSDEEP

3072:jYHVHd2NwMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZpHkc:jycqqDL6oREzZpEc

Score

10^/10

gandcrab backdoor discovery persistence ransomware upx

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral2/memory/4036-0-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab
behavioral2/memory/4036-4-0x0000000000400000-0x000000000043C000-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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\gmrcprgertq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe"	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_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)	\??\N:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\P:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\Q:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\S:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\T:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\W:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\L:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\M:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\K:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\U:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\V:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\X:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\E:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\I:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\J:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\Y:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\Z:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\A:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\G:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\O:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\R:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\B:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
File opened (read-only)	\??\H:	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4036-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/4036-4-0x0000000000400000-0x000000000043C000-memory.dmp	upx

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	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_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
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	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 3820	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	83
PID 4036 wrote to memory of 3820	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	83
PID 4036 wrote to memory of 3820	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	83
PID 4036 wrote to memory of 760	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	98
PID 4036 wrote to memory of 760	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	98
PID 4036 wrote to memory of 760	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	98
PID 4036 wrote to memory of 3620	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	102
PID 4036 wrote to memory of 3620	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	102
PID 4036 wrote to memory of 3620	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	102
PID 4036 wrote to memory of 2280	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	108
PID 4036 wrote to memory of 2280	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	108
PID 4036 wrote to memory of 2280	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	108
PID 4036 wrote to memory of 4436	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	112
PID 4036 wrote to memory of 4436	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	112
PID 4036 wrote to memory of 4436	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	112
PID 4036 wrote to memory of 3248	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	116
PID 4036 wrote to memory of 3248	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	116
PID 4036 wrote to memory of 3248	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	116
PID 4036 wrote to memory of 3948	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	120
PID 4036 wrote to memory of 3948	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	120
PID 4036 wrote to memory of 3948	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	120
PID 4036 wrote to memory of 4064	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	124
PID 4036 wrote to memory of 4064	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	124
PID 4036 wrote to memory of 4064	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	124
PID 4036 wrote to memory of 1492	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	128
PID 4036 wrote to memory of 1492	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	128
PID 4036 wrote to memory of 1492	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	128
PID 4036 wrote to memory of 2432	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	132
PID 4036 wrote to memory of 2432	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	132
PID 4036 wrote to memory of 2432	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	132
PID 4036 wrote to memory of 2304	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	135
PID 4036 wrote to memory of 2304	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	135
PID 4036 wrote to memory of 2304	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	135
PID 4036 wrote to memory of 3132	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	139
PID 4036 wrote to memory of 3132	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	139
PID 4036 wrote to memory of 3132	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	139
PID 4036 wrote to memory of 3392	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	143
PID 4036 wrote to memory of 3392	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	143
PID 4036 wrote to memory of 3392	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	143
PID 4036 wrote to memory of 1468	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	147
PID 4036 wrote to memory of 1468	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	147
PID 4036 wrote to memory of 1468	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	147
PID 4036 wrote to memory of 2504	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	151
PID 4036 wrote to memory of 2504	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	151
PID 4036 wrote to memory of 2504	4036	2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe	151

C:\Users\Admin\AppData\Local\Temp\2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-27_9d0eeac42cce64d8f8a0bb1b3b21c11d_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:4036
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3820
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2280
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4436
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3248
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4064
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1492
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3132
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3392
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1468
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2504

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/4036-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4036-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download