gandcrab | 365b86e61939d3738a68f27ddc92e78c2e62fa1cc9b8cf5f9d3d5f09f31f5a30

General

Target

2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
Size

145KB
MD5

d08f6740bfd0d77f766be2abe8d8c0ec
SHA1

80175fa5d8bb224a0a2dde302e7a86c60fac689a
SHA256

365b86e61939d3738a68f27ddc92e78c2e62fa1cc9b8cf5f9d3d5f09f31f5a30
SHA512

2233293e95f688cb8890e57a76ab2806f3d099584a9abb21a2b31387722eada28e9a9393b9f0e7e4f3e0660b7d6e9bee58ffcf61388ba8fb35b91ec77d2ff783
SSDEEP

3072:gYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:gyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4620-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/4620-4-0x0000000000400000-0x0000000000428000-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/4620-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/4620-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4620-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/4620-4-0x0000000000400000-0x0000000000428000-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:

2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\rkwxziiyxht = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe"	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_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:

2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\S:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\T:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\U:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\I:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\J:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\L:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\O:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\Q:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\Z:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\A:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\E:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\H:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\R:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\Y:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\B:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\K:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\W:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\X:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\G:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\M:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\N:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\P:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
File opened (read-only)	\??\V:	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_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:

2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe

pid	process
4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe

description	pid	process	target process
PID 4620 wrote to memory of 4536	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 4536	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 4536	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 636	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 636	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 636	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 4808	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 4808	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 4808	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 5032	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 5032	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 5032	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 5064	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 5064	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 5064	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 3120	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 3120	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 3120	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 4992	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 4992	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 4992	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1736	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1736	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1736	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 2176	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 2176	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 2176	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 3968	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 3968	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 3968	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1556	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1556	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1556	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1120	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1120	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe
PID 4620 wrote to memory of 1120	4620	2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_d08f6740bfd0d77f766be2abe8d8c0ec_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:4620

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4536

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:636

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4808

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:5032

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:5064

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3120

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4992

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1736

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2176

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3968

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1556

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

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/4620-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4620-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads