gandcrab | 1e0afc792e27622b64e0f6c3d297cc31cf5cbaa08c088cd10ef6a98ef0f86c8a

General

Target

2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
Size

145KB
MD5

2122528836dc9a8b55e58f93a46efaa8
SHA1

4e3d51b482cb5935eb475e13fa74e0494165bbef
SHA256

1e0afc792e27622b64e0f6c3d297cc31cf5cbaa08c088cd10ef6a98ef0f86c8a
SHA512

aa5b86fc81ca9b476becbe9c087b987647567c7425d64b7f7cf409e23e9c66d2e3ed145c69f1e700aa58940ab447c89c860c6fac42f24e1b200772a1b6c10d53
SSDEEP

3072:nYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:nyOqqDL64vdGREz

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1448-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/1448-4-0x0000000000400000-0x0000000000428000-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/1448-0-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral2/memory/1448-4-0x0000000000400000-0x0000000000428000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1448-0-0x0000000000400000-0x0000000000428000-memory.dmp	Gandcrab
behavioral2/memory/1448-4-0x0000000000400000-0x0000000000428000-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:

2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\fdurustztgu = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe"	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_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:

2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe

description	ioc	process
File opened (read-only)	\??\M:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\N:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\T:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\W:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\A:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\B:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\I:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\E:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\S:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\Z:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\U:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\Y:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\K:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\L:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\O:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\P:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\Q:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\G:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\H:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\J:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\R:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\V:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
File opened (read-only)	\??\X:	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_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:

2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe

pid	process
1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe

description	pid	process	target process
PID 1448 wrote to memory of 2196	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 2196	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 2196	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4764	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4764	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4764	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3780	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3780	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3780	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4520	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4520	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4520	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3656	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3656	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3656	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4148	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4148	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4148	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 2696	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 2696	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 2696	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3324	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3324	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3324	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 2080	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 2080	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 2080	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 1356	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 1356	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 1356	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 492	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 492	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 492	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 916	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 916	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 916	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4084	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4084	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 4084	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3960	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3960	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe
PID 1448 wrote to memory of 3960	1448	2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-29_2122528836dc9a8b55e58f93a46efaa8_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_2122528836dc9a8b55e58f93a46efaa8_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:1448

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2196

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:4764

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

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4520

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3656

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:4148

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:2696

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3324

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:2080

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:1356

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:492

C:\Windows\SysWOW64\nslookup.exe
nslookup gandcrab.bit dns1.soprodns.ru
2⤵
PID:916

C:\Windows\SysWOW64\nslookup.exe
nslookup nomoreransom.bit dns1.soprodns.ru
2⤵
PID:4084

C:\Windows\SysWOW64\nslookup.exe
nslookup emsisoft.bit dns1.soprodns.ru
2⤵
PID:3960

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/1448-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1448-4-0x0000000000400000-0x0000000000428000-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