gandcrab | d94662e1ed32a9b03607a3038091cdad1d338e9bfe1e09717a6698b70f3b6aed

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 06:29

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General

Target

2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
Size

145KB
MD5

6d50275da10f1aceaff97fd152fa6cbd
SHA1

049ede3c62240fc6367db5f592fad519f97e31a5
SHA256

d94662e1ed32a9b03607a3038091cdad1d338e9bfe1e09717a6698b70f3b6aed
SHA512

e799b66a9a5919494bde210acf820b87d6591c5f0aa3bf95c23d171bdd428cad67dfb6435a38acadeb7af0ed154c6c37629a35133695df9e5abf0cb5cce4acd6
SSDEEP

3072:0YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:0yOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4332-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/4332-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\jcbtwngrhzb = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe"	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_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:

2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\K:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\T:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\B:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\J:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\N:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\U:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\E:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\I:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\M:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\O:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\Q:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\R:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\V:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\X:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\H:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\Y:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\G:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\L:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\P:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\S:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\W:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\Z:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
File opened (read-only)	\??\A:	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_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:

2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe

pid	process
4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe

description	pid	process	target process
PID 4332 wrote to memory of 3372	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3372	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3372	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3376	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3376	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3376	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1156	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1156	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1156	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4028	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4028	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4028	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4404	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4404	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4404	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3956	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3956	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3956	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1848	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1848	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1848	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3924	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3924	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3924	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4400	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4400	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 4400	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 5052	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 5052	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 5052	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 696	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 696	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 696	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3432	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3432	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3432	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3568	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3568	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 3568	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1532	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1532	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe
PID 4332 wrote to memory of 1532	4332	2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-27_6d50275da10f1aceaff97fd152fa6cbd_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:4332

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3372

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3376

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1156

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4028

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4404

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3956

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1848

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3924

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4400

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:5052

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:696

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3432

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3568

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1532

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/4332-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4332-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download