gandcrab | 51586da87391a133fb2b8ee5d3baaae22a6e49393521d517bd5d3e1467be3ae6

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-06-2024 15:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
Size

99KB
MD5

21c98f764bfa9808773d1036549a2044
SHA1

a3fe0083439a948f50ef1f0962c2ecad66208ea5
SHA256

51586da87391a133fb2b8ee5d3baaae22a6e49393521d517bd5d3e1467be3ae6
SHA512

e812cb1e58e03b9e9e048337f314398390d9c0f252556e7fe0beba79d569664c8eed28e45cbf48a67da031a7b6bf19533bb9b1b61991f146e24a79f1fea1afd3
SSDEEP

3072:LMSjOnrmBIMqqDL2/mr3IdE8we0Avu5r++ygLIaaypQ8CrS6e:LXjOnr6jqqDL6aprYS6e

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/2924-0-0x0000000000E10000-0x0000000000E2C000-memory.dmp	family_gandcrab
behavioral1/memory/2924-4-0x0000000000E10000-0x0000000000E2C000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral1/memory/2924-0-0x0000000000E10000-0x0000000000E2C000-memory.dmp upx
behavioral1/memory/2924-4-0x0000000000E10000-0x0000000000E2C000-memory.dmp upx

resource	yara_rule
behavioral1/memory/2924-0-0x0000000000E10000-0x0000000000E2C000-memory.dmp	upx
behavioral1/memory/2924-4-0x0000000000E10000-0x0000000000E2C000-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:

2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\novhqtdsuud = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe"	2024-06-24_21c98f764bfa9808773d1036549a2044_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:

2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\K:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\L:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\W:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\P:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\Y:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\Z:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\G:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\M:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\N:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\I:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\J:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\O:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\T:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\V:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\A:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\B:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\H:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\S:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\U:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\X:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\E:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\Q:	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
File opened (read-only)	\??\R:	2024-06-24_21c98f764bfa9808773d1036549a2044_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:

2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

pid process

2924 2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
2924 2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

pid	process
2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

Suspicious use of WriteProcessMemory 60 IoCs

Processes:

2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe

description	pid	process	target process
PID 2924 wrote to memory of 2872	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2872	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2872	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2872	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2892	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2892	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2892	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2892	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2700	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2700	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2700	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2700	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2564	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2564	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2564	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2564	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2460	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2460	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2460	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2460	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2964	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2964	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2964	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2964	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2752	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2752	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2752	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2752	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2772	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2772	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2772	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2772	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2612	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2612	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2612	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2612	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1704	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1704	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1704	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1704	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1396	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1396	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1396	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1396	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2796	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2796	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2796	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 2796	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1900	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1900	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1900	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 1900	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 592	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 592	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 592	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 592	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 852	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 852	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 852	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe
PID 2924 wrote to memory of 852	2924	2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-24_21c98f764bfa9808773d1036549a2044_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-24_21c98f764bfa9808773d1036549a2044_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:2924

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2872

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2892

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

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2564

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2460

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2964

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2752

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2772

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2612

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1704

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1396

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2796

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1900

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:592

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:852

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2924-0-0x0000000000E10000-0x0000000000E2C000-memory.dmp

Filesize
112KB

Download
memory/2924-4-0x0000000000E10000-0x0000000000E2C000-memory.dmp

Filesize
112KB

Download