gandcrab | 05e32153fc06ab429c1a56aeba49c76513db97f4b3e404a0ad176fd53fa2fabe

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 07:45

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General

Target

2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
Size

145KB
MD5

97b4b2dddd26e79c969a73c6ff04a280
SHA1

24aee33cf6931f57077a757b49a6d0fbade9a9fa
SHA256

05e32153fc06ab429c1a56aeba49c76513db97f4b3e404a0ad176fd53fa2fabe
SHA512

18108ad8667f4866759d448a34126ecccb871ab2aea97d8386d7e4fdb3ec5d8415c5fb0163d457f89d2e788097f3cdbfe7a384c035df2e58e31ab5d9334e71e9
SSDEEP

3072:KYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:KyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor discovery persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/2484-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral1/memory/2484-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor 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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\ofltyceqywj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe"	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_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)	\??\S:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\V:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\W:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\X:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\Y:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\E:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\P:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\R:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\Z:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\B:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\H:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\K:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\Q:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\T:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\U:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\J:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\L:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\N:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\M:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\O:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\A:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\G:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
File opened (read-only)	\??\I:	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_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	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_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

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	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe

Suspicious use of WriteProcessMemory 56 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2856	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	31
PID 2484 wrote to memory of 2856	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	31
PID 2484 wrote to memory of 2856	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	31
PID 2484 wrote to memory of 2856	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	31
PID 2484 wrote to memory of 2876	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	33
PID 2484 wrote to memory of 2876	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	33
PID 2484 wrote to memory of 2876	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	33
PID 2484 wrote to memory of 2876	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	33
PID 2484 wrote to memory of 2984	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	36
PID 2484 wrote to memory of 2984	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	36
PID 2484 wrote to memory of 2984	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	36
PID 2484 wrote to memory of 2984	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	36
PID 2484 wrote to memory of 2712	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	38
PID 2484 wrote to memory of 2712	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	38
PID 2484 wrote to memory of 2712	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	38
PID 2484 wrote to memory of 2712	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	38
PID 2484 wrote to memory of 2540	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	40
PID 2484 wrote to memory of 2540	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	40
PID 2484 wrote to memory of 2540	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	40
PID 2484 wrote to memory of 2540	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	40
PID 2484 wrote to memory of 3060	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	42
PID 2484 wrote to memory of 3060	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	42
PID 2484 wrote to memory of 3060	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	42
PID 2484 wrote to memory of 3060	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	42
PID 2484 wrote to memory of 2516	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	44
PID 2484 wrote to memory of 2516	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	44
PID 2484 wrote to memory of 2516	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	44
PID 2484 wrote to memory of 2516	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	44
PID 2484 wrote to memory of 2224	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	46
PID 2484 wrote to memory of 2224	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	46
PID 2484 wrote to memory of 2224	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	46
PID 2484 wrote to memory of 2224	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	46
PID 2484 wrote to memory of 3040	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	48
PID 2484 wrote to memory of 3040	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	48
PID 2484 wrote to memory of 3040	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	48
PID 2484 wrote to memory of 3040	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	48
PID 2484 wrote to memory of 1752	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	50
PID 2484 wrote to memory of 1752	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	50
PID 2484 wrote to memory of 1752	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	50
PID 2484 wrote to memory of 1752	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	50
PID 2484 wrote to memory of 600	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	52
PID 2484 wrote to memory of 600	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	52
PID 2484 wrote to memory of 600	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	52
PID 2484 wrote to memory of 600	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	52
PID 2484 wrote to memory of 1672	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	54
PID 2484 wrote to memory of 1672	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	54
PID 2484 wrote to memory of 1672	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	54
PID 2484 wrote to memory of 1672	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	54
PID 2484 wrote to memory of 1612	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	56
PID 2484 wrote to memory of 1612	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	56
PID 2484 wrote to memory of 1612	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	56
PID 2484 wrote to memory of 1612	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	56
PID 2484 wrote to memory of 1520	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	58
PID 2484 wrote to memory of 1520	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	58
PID 2484 wrote to memory of 1520	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	58
PID 2484 wrote to memory of 1520	2484	2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe	58

C:\Users\Admin\AppData\Local\Temp\2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_97b4b2dddd26e79c969a73c6ff04a280_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:2484
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2876
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2984
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2516
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2224
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:600
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1520

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/2484-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2484-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download