gandcrab | 68faaf91231e8e902ee90545a5d3cd517f0e0d5b190327a70d6b12c6975c4eea

General

Target

2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
Size

145KB
MD5

e2d01f7df446125f8a27e58b1607ed74
SHA1

fe308e1096065e3992beaf07f7d1ccaa26538063
SHA256

68faaf91231e8e902ee90545a5d3cd517f0e0d5b190327a70d6b12c6975c4eea
SHA512

48e9bf96053b70bffa468ed0127124a8d8f68bacec4fc178b823950c9cd0bba34ac1764054bb1b3ad3acb4c1c1104a1d448d53b61b2be20cecfbc9c74b0a5d01
SSDEEP

3072:BYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:ByOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4564-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/4564-4-0x0000000000400000-0x0000000000428000-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/4564-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/4564-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4564-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/4564-4-0x0000000000400000-0x0000000000428000-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:

2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ayqsbhuhcme = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe"	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_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:

2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\N:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\O:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\U:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\J:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\K:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\W:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\Q:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\R:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\X:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\Y:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\Z:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\B:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\H:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\G:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\I:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\L:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\M:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\P:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\S:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\A:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\E:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\T:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
File opened (read-only)	\??\V:	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_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:

2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe

pid	process
4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe

description	pid	process	target process
PID 4564 wrote to memory of 2260	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 2260	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 2260	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 224	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 224	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 224	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3520	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3520	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3520	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3780	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3780	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3780	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3212	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3212	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3212	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4532	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4532	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4532	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1980	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1980	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1980	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1320	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1320	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1320	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3956	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3956	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 3956	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4632	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4632	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4632	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4420	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4420	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4420	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 2480	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 2480	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 2480	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4872	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4872	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 4872	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1968	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1968	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe
PID 4564 wrote to memory of 1968	4564	2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-28_e2d01f7df446125f8a27e58b1607ed74_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_e2d01f7df446125f8a27e58b1607ed74_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:4564

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2260

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:224

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:3520

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:3780

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3212

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4532

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1980

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1320

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

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4632

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4420

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2480

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4872

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:1968

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

Loading Replay Monitor...

Downloads

memory/4564-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4564-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads