gandcrab | 41f19edbb4651c81f49b168a7acedfe176b6832bca9ee42f5230e0b4627cbe49

General

Target

2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
Size

145KB
MD5

7d0f8f440f539ff11734e186298c1458
SHA1

4c53d229d5522e189e6ab81c90ab8f1501423090
SHA256

41f19edbb4651c81f49b168a7acedfe176b6832bca9ee42f5230e0b4627cbe49
SHA512

1783ca98799d71328acf613f9a6366c879d8a5269384bb9f62079e0702187451c67fea82daa09db5b322ed6976faf068597bb8cc341f8d8a22343eeb2850f91b
SSDEEP

3072:rYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:ryOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2964-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/2964-4-0x0000000000400000-0x0000000000428000-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/2964-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/2964-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2964-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/2964-4-0x0000000000400000-0x0000000000428000-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:

2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\mwspjmvazmf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe"	2024-04-20_7d0f8f440f539ff11734e186298c1458_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:

2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\I:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\K:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\M:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\P:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\R:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\V:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\X:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\G:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\B:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\H:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\O:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\U:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\Y:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\A:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\Z:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\W:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\J:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\L:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\N:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\Q:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\S:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\T:	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
File opened (read-only)	\??\E:	2024-04-20_7d0f8f440f539ff11734e186298c1458_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:

2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe

pid	process
2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe

description	pid	process	target process
PID 2964 wrote to memory of 4024	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 4024	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 4024	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3824	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3824	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3824	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 4584	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 4584	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 4584	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1004	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1004	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1004	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3924	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3924	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3924	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1488	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1488	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1488	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 2340	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 2340	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 2340	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 2820	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 2820	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 2820	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3592	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3592	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3592	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1760	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1760	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 1760	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3956	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3956	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3956	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3452	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3452	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe
PID 2964 wrote to memory of 3452	2964	2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-20_7d0f8f440f539ff11734e186298c1458_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-20_7d0f8f440f539ff11734e186298c1458_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:2964

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4024

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3824

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4584

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1004

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:1488

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2340

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2820

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3592

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1760

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

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3452

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3928 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:3356

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

Replay Monitor

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Downloads

memory/2964-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2964-4-0x0000000000400000-0x0000000000428000-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