gandcrab | 4582aab8aeac3e192b7167e3b97722861f6d5803ec7476388e13375313431fef

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20/03/2024, 00:26

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General

Target

2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
Size

145KB
MD5

1418de74248c74c729deb49977220c2a
SHA1

677e92500bf36b44ccd72c1cc6e9af3e934ee4e8
SHA256

4582aab8aeac3e192b7167e3b97722861f6d5803ec7476388e13375313431fef
SHA512

57cbc7c31f08cc11cb49f83486ea387c612a993e63025d67028b61179c8286f1277a745595f66ee01a0e71c069e77dbaf834a303e07109d07712f63decaf4240
SSDEEP

3072:iYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:iyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral2/memory/4964-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/4964-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab

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

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral2/memory/4964-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/4964-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4964-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/4964-4-0x0000000000400000-0x0000000000428000-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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\colltgtapyv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe"	2024-03-20_1418de74248c74c729deb49977220c2a_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)	\??\A:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\H:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\J:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\S:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\V:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\W:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\E:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\G:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\L:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\M:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\N:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\R:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\U:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\Y:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\B:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\I:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\K:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\O:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\P:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\Q:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\X:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\T:	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
File opened (read-only)	\??\Z:	2024-03-20_1418de74248c74c729deb49977220c2a_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	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 3704	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	92
PID 4964 wrote to memory of 3704	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	92
PID 4964 wrote to memory of 3704	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	92
PID 4964 wrote to memory of 3736	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	103
PID 4964 wrote to memory of 3736	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	103
PID 4964 wrote to memory of 3736	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	103
PID 4964 wrote to memory of 316	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	105
PID 4964 wrote to memory of 316	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	105
PID 4964 wrote to memory of 316	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	105
PID 4964 wrote to memory of 3552	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	109
PID 4964 wrote to memory of 3552	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	109
PID 4964 wrote to memory of 3552	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	109
PID 4964 wrote to memory of 2060	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	111
PID 4964 wrote to memory of 2060	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	111
PID 4964 wrote to memory of 2060	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	111
PID 4964 wrote to memory of 2400	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	113
PID 4964 wrote to memory of 2400	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	113
PID 4964 wrote to memory of 2400	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	113
PID 4964 wrote to memory of 5088	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	116
PID 4964 wrote to memory of 5088	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	116
PID 4964 wrote to memory of 5088	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	116
PID 4964 wrote to memory of 4248	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	118
PID 4964 wrote to memory of 4248	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	118
PID 4964 wrote to memory of 4248	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	118
PID 4964 wrote to memory of 2672	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	120
PID 4964 wrote to memory of 2672	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	120
PID 4964 wrote to memory of 2672	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	120
PID 4964 wrote to memory of 2584	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	126
PID 4964 wrote to memory of 2584	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	126
PID 4964 wrote to memory of 2584	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	126
PID 4964 wrote to memory of 4140	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	131
PID 4964 wrote to memory of 4140	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	131
PID 4964 wrote to memory of 4140	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	131
PID 4964 wrote to memory of 1060	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	133
PID 4964 wrote to memory of 1060	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	133
PID 4964 wrote to memory of 1060	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	133
PID 4964 wrote to memory of 4356	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	135
PID 4964 wrote to memory of 4356	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	135
PID 4964 wrote to memory of 4356	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	135
PID 4964 wrote to memory of 4944	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	140
PID 4964 wrote to memory of 4944	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	140
PID 4964 wrote to memory of 4944	4964	2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe	140

C:\Users\Admin\AppData\Local\Temp\2024-03-20_1418de74248c74c729deb49977220c2a_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-20_1418de74248c74c729deb49977220c2a_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:4964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3704
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3736
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:316
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:3552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2060
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2400
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:5088
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4248
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:2672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2584
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4140
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1060
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4356
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4944

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/4964-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4964-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download