gandcrab | d865e71fb51c3cf54cb84d12b3891a0ec1c785706e53746c95ad74cb36196e4b

Analysis

max time kernel
145s
max time network
146s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09-07-2024 16:45

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General

Target

2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
Size

77KB
MD5

036bec48758bd4c668ec4261e9745512
SHA1

3ef51183b371773e3be350b94bcb08c6809f83c1
SHA256

d865e71fb51c3cf54cb84d12b3891a0ec1c785706e53746c95ad74cb36196e4b
SHA512

585f25887b0c788478d1a88d572fd9a9c879c2ec371e8dc468a26ab7cd00962198e25f234ea9ca08629a9e368f09f70092596de032d8245b72ab4f9baa4c3175
SSDEEP

1536:VgSeGDjnjhnwjyB0yjMqqUM2mr3IdE8mne0Avu5r++yy7CA7GcIaapavdv9:VMSjVneyBbMqqMmr3IdE8we0Avu5r++X

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Extracted

Family

gandcrab

http://gdcbghvjyqy7jclk.onion.top/

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/2624-0-0x0000000000400000-0x0000000000417000-memory.dmp	family_gandcrab
behavioral1/memory/2624-4-0x0000000000400000-0x0000000000417000-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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\jpkuekaysvc = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe"	2024-07-09_036bec48758bd4c668ec4261e9745512_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)	\??\M:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\N:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\O:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\Q:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\W:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\B:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\E:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\K:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\L:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\R:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\S:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\U:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\X:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\A:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\J:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\Y:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\Z:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\G:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\P:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\T:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\V:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\H:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
File opened (read-only)	\??\I:	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.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	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2756	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	30
PID 2624 wrote to memory of 2756	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	30
PID 2624 wrote to memory of 2756	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	30
PID 2624 wrote to memory of 2756	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	30
PID 2624 wrote to memory of 2012	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	33
PID 2624 wrote to memory of 2012	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	33
PID 2624 wrote to memory of 2012	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	33
PID 2624 wrote to memory of 2012	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	33
PID 2624 wrote to memory of 2596	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	35
PID 2624 wrote to memory of 2596	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	35
PID 2624 wrote to memory of 2596	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	35
PID 2624 wrote to memory of 2596	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	35
PID 2624 wrote to memory of 2004	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	37
PID 2624 wrote to memory of 2004	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	37
PID 2624 wrote to memory of 2004	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	37
PID 2624 wrote to memory of 2004	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	37
PID 2624 wrote to memory of 2816	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	39
PID 2624 wrote to memory of 2816	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	39
PID 2624 wrote to memory of 2816	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	39
PID 2624 wrote to memory of 2816	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	39
PID 2624 wrote to memory of 592	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	41
PID 2624 wrote to memory of 592	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	41
PID 2624 wrote to memory of 592	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	41
PID 2624 wrote to memory of 592	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	41
PID 2624 wrote to memory of 2264	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	43
PID 2624 wrote to memory of 2264	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	43
PID 2624 wrote to memory of 2264	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	43
PID 2624 wrote to memory of 2264	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	43
PID 2624 wrote to memory of 2900	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	45
PID 2624 wrote to memory of 2900	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	45
PID 2624 wrote to memory of 2900	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	45
PID 2624 wrote to memory of 2900	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	45
PID 2624 wrote to memory of 1612	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	47
PID 2624 wrote to memory of 1612	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	47
PID 2624 wrote to memory of 1612	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	47
PID 2624 wrote to memory of 1612	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	47
PID 2624 wrote to memory of 760	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	49
PID 2624 wrote to memory of 760	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	49
PID 2624 wrote to memory of 760	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	49
PID 2624 wrote to memory of 760	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	49
PID 2624 wrote to memory of 2740	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	51
PID 2624 wrote to memory of 2740	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	51
PID 2624 wrote to memory of 2740	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	51
PID 2624 wrote to memory of 2740	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	51
PID 2624 wrote to memory of 2140	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	53
PID 2624 wrote to memory of 2140	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	53
PID 2624 wrote to memory of 2140	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	53
PID 2624 wrote to memory of 2140	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	53
PID 2624 wrote to memory of 2508	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	55
PID 2624 wrote to memory of 2508	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	55
PID 2624 wrote to memory of 2508	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	55
PID 2624 wrote to memory of 2508	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	55
PID 2624 wrote to memory of 1520	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	57
PID 2624 wrote to memory of 1520	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	57
PID 2624 wrote to memory of 1520	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	57
PID 2624 wrote to memory of 1520	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	57
PID 2624 wrote to memory of 1764	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	59
PID 2624 wrote to memory of 1764	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	59
PID 2624 wrote to memory of 1764	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	59
PID 2624 wrote to memory of 1764	2624	2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe	59

C:\Users\Admin\AppData\Local\Temp\2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_036bec48758bd4c668ec4261e9745512_gandcrab.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2816
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:592
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2900
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2740
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2140
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2508
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1764

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2624-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2624-4-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download