gandcrab | 9096e5e2218d219fde686758b289f5151f69d10dd3d895ff19235c74842e6850

General

Target

2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
Size

145KB
MD5

8f8ba6d14c8de1e178cc2104bee6e77e
SHA1

266220962a73fc2726ac84d089fd0d517c8fe52f
SHA256

9096e5e2218d219fde686758b289f5151f69d10dd3d895ff19235c74842e6850
SHA512

ee7e715219346f0dbf15ad42c37a95ca4cb707854c478fc6bb9be5008900d4a59b336c5d621d64d820751c2187c04a34d39dea12bcfb9bdd70552d46cab96063
SSDEEP

3072:AYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:AyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5008-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/5008-4-0x0000000000400000-0x0000000000428000-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/5008-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/5008-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5008-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/5008-4-0x0000000000400000-0x0000000000428000-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:

2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\liuknfccsdu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe"	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_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:

2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\A:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\E:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\I:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\J:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\K:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\L:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\M:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\N:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\S:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\V:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\B:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\G:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\U:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\W:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\Z:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\P:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\R:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\T:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\H:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\O:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\Q:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\X:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
File opened (read-only)	\??\Y:	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_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:

2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe

pid	process
5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe

description	pid	process	target process
PID 5008 wrote to memory of 1032	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 1032	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 1032	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 1600	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 1600	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 1600	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3880	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3880	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3880	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4348	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4348	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4348	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4280	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4280	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4280	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2420	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2420	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2420	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3228	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3228	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3228	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2436	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2436	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2436	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 540	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 540	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 540	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4508	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4508	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 4508	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2536	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2536	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2536	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3988	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3988	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3988	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2268	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2268	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 2268	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3992	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3992	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe
PID 5008 wrote to memory of 3992	5008	2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_8f8ba6d14c8de1e178cc2104bee6e77e_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:5008

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1032

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1600

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3880

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4348

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4280

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2420

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

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2436

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:540

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4508

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2536

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3988

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2268

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3992

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/5008-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/5008-4-0x0000000000400000-0x0000000000428000-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