gandcrab | 9c97d7ea56a77b25dcd88da2e2ce510a7e4c2fd53f15e79f5e574afd1485e052

General

Target

2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
Size

145KB
MD5

54b402e258950f3031ec2e67e145f47d
SHA1

b6a7b3d566f876b7a5978684fa87a02e42ef4012
SHA256

9c97d7ea56a77b25dcd88da2e2ce510a7e4c2fd53f15e79f5e574afd1485e052
SHA512

ea204217eb77e6f65c5634fbfdd5b931ead7652e62478a9fa1186cdf25f079981d614a7d8aca0873435aeadfdccc8e4ff4126eb7f38a5343aafd81596290bed5
SSDEEP

3072:9YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:9yOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2184-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/2184-4-0x0000000000400000-0x0000000000428000-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/2184-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/2184-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2184-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/2184-4-0x0000000000400000-0x0000000000428000-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:

2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\fszggvqtsmw = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe"	2024-03-29_54b402e258950f3031ec2e67e145f47d_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:

2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\X:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\Z:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\B:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\H:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\K:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\O:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\P:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\T:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\E:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\J:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\Q:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\V:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\W:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\Y:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\I:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\M:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\N:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\A:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\G:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\L:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\R:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\S:	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
File opened (read-only)	\??\U:	2024-03-29_54b402e258950f3031ec2e67e145f47d_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:

2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe

pid	process
2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe

description	pid	process	target process
PID 2184 wrote to memory of 3796	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3796	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3796	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3392	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3392	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3392	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 2292	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 2292	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 2292	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3944	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3944	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3944	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 4904	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 4904	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 4904	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 392	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 392	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 392	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1400	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1400	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1400	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 780	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 780	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 780	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1064	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1064	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1064	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1836	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1836	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1836	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1248	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1248	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1248	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 4956	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 4956	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 4956	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1680	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1680	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 1680	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 2952	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 2952	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 2952	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3228	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3228	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe
PID 2184 wrote to memory of 3228	2184	2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-29_54b402e258950f3031ec2e67e145f47d_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_54b402e258950f3031ec2e67e145f47d_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:2184

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3796

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3392

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2292

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3944

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4904

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:392

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1400

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:780

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1064

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1836

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1248

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4956

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1680

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2952

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3228

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2184-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2184-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads