gandcrab | e87244fecf57b05ad97e22f6f96a74e66aca79b2f56b3090c60b9d8841f82a18

General

Target

2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
Size

145KB
MD5

322d62932c50492c67be3a9ae1bafa61
SHA1

099876568812c6a1b29edc71862c283b48e40775
SHA256

e87244fecf57b05ad97e22f6f96a74e66aca79b2f56b3090c60b9d8841f82a18
SHA512

37910ce49b899309c8b1772b437b5c7f83bcbf7d56fe4282a8ed5d328b0eed7da9f35f99d6510b6c962a3ffb3c821b5af4d07e1af912ec457fc962528ae3bc30
SSDEEP

3072:CYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:CyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3732-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/3732-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab

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

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3732-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/3732-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3732-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/3732-4-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\eferloyfogy = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe"	2024-04-01_322d62932c50492c67be3a9ae1bafa61_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

Processes:

2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\A:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\S:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\P:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\Y:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\O:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\Q:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\T:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\G:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\H:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\K:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\L:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\N:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\U:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\V:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\X:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\Z:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\R:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\W:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\B:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\E:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\I:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\J:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
File opened (read-only)	\??\M:	2024-04-01_322d62932c50492c67be3a9ae1bafa61_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

Processes:

2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe

pid	process
3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe

description	pid	process	target process
PID 3732 wrote to memory of 1984	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 1984	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 1984	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 1972	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 1972	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 1972	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4420	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4420	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4420	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 648	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 648	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 648	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4848	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4848	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4848	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 2944	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 2944	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 2944	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 944	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 944	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 944	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4332	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4332	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4332	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 632	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 632	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 632	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 3804	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 3804	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 3804	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 2100	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 2100	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 2100	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4460	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4460	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 4460	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 3756	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 3756	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 3756	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 5044	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 5044	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 5044	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 1032	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 1032	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe
PID 3732 wrote to memory of 1032	3732	2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-01_322d62932c50492c67be3a9ae1bafa61_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-01_322d62932c50492c67be3a9ae1bafa61_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:3732

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1984

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1972

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4420

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:648

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4848

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2944

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:944

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4332

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:632

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3804

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2100

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4460

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3756

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:5044

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3732-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3732-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads