gandcrab | 606bc490dea04500456e626081799183c15a47b0a841cea44c134e430f5e1666

General

Target

2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
Size

145KB
MD5

012aec9c8126859fd2538350ced688e2
SHA1

287192c630b57565a5d2dbe044e03a3c49f2c3df
SHA256

606bc490dea04500456e626081799183c15a47b0a841cea44c134e430f5e1666
SHA512

0576f6b84b59d6c27a689097b98d633e14709d15b987e650124c33fe1a282b08ccff5b864f9f7b5c8ad86904f8112aa6cca231d79d933a3499e2349e935bc7df
SSDEEP

3072:lYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:lyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3216-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/3216-4-0x0000000000400000-0x0000000000428000-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/3216-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/3216-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3216-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/3216-4-0x0000000000400000-0x0000000000428000-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:

2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\tflgnfxbhum = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe"	2024-03-31_012aec9c8126859fd2538350ced688e2_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:

2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\A:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\O:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\P:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\Q:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\R:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\T:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\Z:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\E:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\G:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\H:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\I:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\V:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\Y:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\J:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\L:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\M:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\S:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\U:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\W:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\X:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\B:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\K:	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
File opened (read-only)	\??\N:	2024-03-31_012aec9c8126859fd2538350ced688e2_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:

2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe

pid	process
3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe

description	pid	process	target process
PID 3216 wrote to memory of 5112	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5112	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5112	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2684	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2684	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2684	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3272	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3272	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3272	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2700	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2700	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2700	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5192	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5192	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5192	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 4968	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 4968	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 4968	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5684	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5684	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5684	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1792	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1792	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1792	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1384	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1384	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1384	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5572	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5572	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 5572	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1264	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1264	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 1264	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 4988	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 4988	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 4988	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3492	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3492	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3492	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2400	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2400	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 2400	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3792	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3792	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe
PID 3216 wrote to memory of 3792	3216	2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_012aec9c8126859fd2538350ced688e2_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_012aec9c8126859fd2538350ced688e2_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:3216

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:5112

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2684

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3272

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2700

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:5192

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4968

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:5684

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1792

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1384

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:5572

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1264

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4988

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3492

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2400

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3792

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/3216-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3216-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads