gandcrab | d50083ff9f67ba59213128ae52393896bca7242cee013f964f86701cc57c72bb

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-06-2024 09:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
Size

145KB
MD5

f9edc77b6d9129a9117bae94498b0b55
SHA1

a6735ef4a94ae5c0256b935023ee57a868a9d8aa
SHA256

d50083ff9f67ba59213128ae52393896bca7242cee013f964f86701cc57c72bb
SHA512

e2795c3b167a06fca40b7329ccf12e48364fa99fbbe4c342ed522be0febe60b7ff69ad5d581de346ab8f8a9e3ff8adc9ebf2fa582dfa0a75c000f4d24b69c1eb
SSDEEP

3072:4YHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:4yOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2992-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral1/memory/2992-4-0x0000000000400000-0x0000000000428000-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
behavioral1/memory/2992-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2992-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource yara_rule

behavioral1/memory/2992-0-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab
behavioral1/memory/2992-4-0x0000000000400000-0x0000000000428000-memory.dmp Gandcrab

resource	yara_rule
behavioral1/memory/2992-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral1/memory/2992-4-0x0000000000400000-0x0000000000428000-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:

2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\huaozihyjem = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe"	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_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:

2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\L:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\N:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\B:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\G:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\H:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\I:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\J:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\E:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\M:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\S:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\V:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\W:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\Z:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\K:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\O:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\Q:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\R:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\T:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\A:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\P:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\U:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\X:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
File opened (read-only)	\??\Y:	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_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:

2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe

pid process

2992 2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
2992 2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe

pid	process
2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe

Suspicious use of WriteProcessMemory 60 IoCs

Processes:

2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe

description	pid	process	target process
PID 2992 wrote to memory of 2552	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2552	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2552	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2552	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2736	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2736	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2736	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2736	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2452	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2452	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2452	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2452	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2488	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2488	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2488	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2488	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1780	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1780	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1780	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1780	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2956	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2956	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2956	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2956	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2152	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2152	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2152	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2152	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1420	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1420	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1420	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1420	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1332	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1332	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1332	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1332	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2256	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2256	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2256	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2256	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2036	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2036	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2036	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2036	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1948	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1948	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1948	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 1948	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 604	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 604	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 604	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 604	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2932	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2932	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2932	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2932	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2304	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2304	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2304	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe
PID 2992 wrote to memory of 2304	2992	2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-29_f9edc77b6d9129a9117bae94498b0b55_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-29_f9edc77b6d9129a9117bae94498b0b55_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:2992

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2552

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2736

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2452

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2488

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1780

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2956

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2152

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1420

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1332

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2256

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2036

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1948

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:604

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2932

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2304

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2992-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2992-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download