gandcrab | 92a04bf0adf8fc36bfc932c0d6b21dd4a3e0cd767698ad5f64b85f0740a6b9ee

Analysis

max time kernel
145s
max time network
147s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 12:11

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General

Target

2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
Size

99KB
MD5

b312b76b9d2c8054cc06e2a1d57ae552
SHA1

183ecb1aa6593f1f251211ad49741f770573a1ca
SHA256

92a04bf0adf8fc36bfc932c0d6b21dd4a3e0cd767698ad5f64b85f0740a6b9ee
SHA512

bfe533da619219e2fe05a0498c46f3cc56c23265cfefcf4af9b715baa3d306c0bfd66a2944c9f9c1c37d9560d9b565e5cd5aae427e238669983ca0eef885b8ed
SSDEEP

3072:VMSjOnrmBIMqqDL2/mr3IdE8we0Avu5r++ygLIaaypQ8CrS6:VXjOnr6jqqDL6aprYS6

Score

10^/10

gandcrab backdoor persistence ransomware upx

Malware Config

Extracted

Family

gandcrab

http://gdcbghvjyqy7jclk.onion.top/

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp	family_gandcrab
behavioral1/memory/2476-4-0x0000000000D40000-0x0000000000D5C000-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
behavioral1/memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2476-4-0x0000000000D40000-0x0000000000D5C000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource yara_rule

behavioral1/memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp Gandcrab
behavioral1/memory/2476-4-0x0000000000D40000-0x0000000000D5C000-memory.dmp Gandcrab
UPX dump on OEP (original entry point) 2 IoCs

Processes:

resource yara_rule

behavioral1/memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp UPX
behavioral1/memory/2476-4-0x0000000000D40000-0x0000000000D5C000-memory.dmp UPX
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral1/memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp upx
behavioral1/memory/2476-4-0x0000000000D40000-0x0000000000D5C000-memory.dmp upx

resource	yara_rule
behavioral1/memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp	Gandcrab
behavioral1/memory/2476-4-0x0000000000D40000-0x0000000000D5C000-memory.dmp	Gandcrab

resource	yara_rule
behavioral1/memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp	UPX
behavioral1/memory/2476-4-0x0000000000D40000-0x0000000000D5C000-memory.dmp	UPX

resource	yara_rule
behavioral1/memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp	upx
behavioral1/memory/2476-4-0x0000000000D40000-0x0000000000D5C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\yohbipzsvop = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe"	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_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:

2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\J:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\Q:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\Z:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\A:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\H:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\K:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\M:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\Y:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\E:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\G:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\P:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\T:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\V:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\W:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\L:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\N:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\O:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\R:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\S:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\U:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\X:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\B:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
File opened (read-only)	\??\I:	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_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:

2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe

pid process

2476 2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
2476 2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe

pid	process
2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe

Suspicious use of WriteProcessMemory 60 IoCs

Processes:

2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe

description	pid	process	target process
PID 2476 wrote to memory of 3024	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3024	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3024	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3024	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3000	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3000	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3000	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3000	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2524	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2524	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2524	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2524	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2456	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2456	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2456	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2456	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2912	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2912	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2912	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2912	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1252	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1252	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1252	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1252	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 340	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 340	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 340	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 340	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1236	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1236	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1236	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1236	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2164	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2164	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2164	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2164	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2000	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2000	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2000	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2000	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2940	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2940	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2940	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 2940	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1644	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1644	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1644	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1644	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1392	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1392	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1392	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1392	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1772	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1772	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1772	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 1772	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3020	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3020	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3020	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe
PID 2476 wrote to memory of 3020	2476	2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-25_b312b76b9d2c8054cc06e2a1d57ae552_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:2476

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3024

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3000

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2524

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2456

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2912

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1252

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:340

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1236

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2164

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2000

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2940

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1644

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1392

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1772

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3020

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/2476-0-0x0000000000D40000-0x0000000000D5C000-memory.dmp

Filesize
112KB

Download
memory/2476-4-0x0000000000D40000-0x0000000000D5C000-memory.dmp

Filesize
112KB

Download