gandcrab | 46818d60395185fa8edd710293b6dcdb98a076ade79a86ef2a91ab41bed51985

General

Target

2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
Size

145KB
MD5

092909bcbbf355f9b1a6ec2f4ec93df1
SHA1

0342abf1183fb4cfde9887858dc0f8d887d3c16f
SHA256

46818d60395185fa8edd710293b6dcdb98a076ade79a86ef2a91ab41bed51985
SHA512

a27e6171be611c9509f3afd1a45b7be839e2bb57cdb8d3d9a82eb7ec59497acbd950c4ca1517331c0d2c887e1008880ce0f8b695f8d97db0f0d3037ac15ac551
SSDEEP

3072:/YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:/yOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4604-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/4604-4-0x0000000000400000-0x0000000000428000-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/4604-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/4604-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4604-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/4604-4-0x0000000000400000-0x0000000000428000-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:

2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ycrzpsrwdnq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe"	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_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:

2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\U:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\J:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\M:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\O:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\Q:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\R:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\T:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\N:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\W:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\Y:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\A:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\L:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\P:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\S:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\V:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\X:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\Z:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\B:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\E:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\G:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\H:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\I:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
File opened (read-only)	\??\K:	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_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:

2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe

pid	process
4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe

description	pid	process	target process
PID 4604 wrote to memory of 412	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 412	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 412	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4752	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4752	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4752	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4428	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4428	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4428	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 936	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 936	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 936	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 2444	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 2444	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 2444	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4660	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4660	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4660	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1916	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1916	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1916	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1516	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1516	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1516	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4296	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4296	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4296	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4828	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4828	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 4828	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 2248	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 2248	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 2248	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 3316	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 3316	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 3316	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1068	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1068	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 1068	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 516	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 516	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 516	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 3776	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 3776	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe
PID 4604 wrote to memory of 3776	4604	2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_092909bcbbf355f9b1a6ec2f4ec93df1_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:4604

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:412

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4752

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4428

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:936

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2444

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4660

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1916

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1516

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4296

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4828

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2248

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3316

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1068

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:516

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3776

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/4604-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4604-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads