gandcrab | 63c1e6f85032a804532589bad9698c5bad00427a27275fc9d195e24c91cdbbb7

General

Target

2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
Size

145KB
MD5

ff5f0b2d333102a909f6ebba4feadd09
SHA1

0c294cc3f6e9bdb83f27048beb1197359f0921b1
SHA256

63c1e6f85032a804532589bad9698c5bad00427a27275fc9d195e24c91cdbbb7
SHA512

c2d79572c2fe3d7db000efad8e40414b9961d5bfe2af26e612d37825788f73e2d4f3e9d597c3ba6448f0872a9310eb450496508d394341c13c18dcba59d89b38
SSDEEP

3072:cYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:cyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1948-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral1/memory/1948-4-0x0000000000400000-0x0000000000428000-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/1948-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1948-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1948-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral1/memory/1948-4-0x0000000000400000-0x0000000000428000-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:

2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\hehdthtcprz = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe"	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_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:

2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\E:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\H:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\J:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\M:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\T:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\W:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\A:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\B:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\X:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\Y:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\Q:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\S:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\K:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\L:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\U:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\Z:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\G:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\P:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\O:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\R:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\V:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\I:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
File opened (read-only)	\??\N:	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_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:

2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe

pid process

1948 2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
1948 2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe

pid	process
1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe

Suspicious use of WriteProcessMemory 60 IoCs

Processes:

2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe

description	pid	process	target process
PID 1948 wrote to memory of 2404	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2404	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2404	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2404	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2616	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2616	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2616	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2616	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2216	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2216	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2216	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2216	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2624	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2624	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2624	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2624	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2056	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2056	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2056	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2056	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2980	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2980	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2980	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2980	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 564	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 564	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 564	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 564	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1800	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1800	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1800	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1800	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1444	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1444	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1444	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1444	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1328	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1328	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1328	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1328	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1120	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1120	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1120	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1120	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1204	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1204	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1204	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1204	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 984	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 984	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 984	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 984	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1488	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1488	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1488	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 1488	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2576	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2576	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2576	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe
PID 1948 wrote to memory of 2576	1948	2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_ff5f0b2d333102a909f6ebba4feadd09_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:1948

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2404

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2616

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2216

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2624

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:2056

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2980

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:564

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1800

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1444

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1328

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1120

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:1204

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:984

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1488

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1948-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1948-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads