gandcrab | 6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78

General

Target

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Size

241KB
MD5

0a77ec3500b30b0da726bdaea05032c4
SHA1

37c8ce0708d8e9a26280856b04b9b1723d02a714
SHA256

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78
SHA512

81b39063ee6a9ac676f917b46b20057325d737494d98282f284484ade1c97743c46652578a0290bd84ab2b5167b46794e3ca746b3cefbc462edd3e00a5a1234a

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1108-115-0x0000000000EC0000-0x0000000000ED7000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\ajcrqkdmwcw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\mffxrk.exe\""	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

Enumerates connected drives 3 TTPs 24 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:

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

description	ioc	process
File opened (read-only)	\??\F:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\P:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\W:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\Z:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\E:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\N:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\S:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\U:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\X:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\R:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\T:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\B:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\I:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\K:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\M:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\Q:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\O:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\V:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\Y:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\A:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\G:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\H:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\J:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
File opened (read-only)	\??\L:	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

Drops file in Windows directory 1 IoCs

Processes:

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

description ioc process

File opened for modification C:\Windows\win.ini 6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

description	ioc	process
File opened for modification	C:\Windows\win.ini	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

Checks SCSI registry key(s) 3 TTPs 8 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\LowerFilters	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\Service	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\UpperFilters	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\LowerFilters	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\Service	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\UpperFilters	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.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:

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

pid	process
1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

Processes:

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

description	pid	process
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
Token: SeLoadDriverPrivilege	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe

description	pid	process	target process
PID 1108 wrote to memory of 2000	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 2000	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 2000	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 816	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 816	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 816	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 2100	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 2100	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 2100	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 3888	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 3888	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 3888	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 4088	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 4088	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 4088	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 3256	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 3256	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe
PID 1108 wrote to memory of 3256	1108	6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe
"C:\Users\Admin\AppData\Local\Temp\6d7b47133556664478039bd3486c075abcba452b7480c4d951f0024fadedad78.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2000

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:816

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2100

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:3888

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:4088

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:3256

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

3

T1012

Peripheral Device Discovery

2

T1120

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/816-117-0x0000000000000000-mapping.dmp

Download
memory/1108-114-0x0000000000400000-0x0000000000B4C000-memory.dmp

Filesize
7.3MB

Download
memory/1108-115-0x0000000000EC0000-0x0000000000ED7000-memory.dmp

Filesize
92KB

Download
memory/2000-116-0x0000000000000000-mapping.dmp

Download
memory/2100-118-0x0000000000000000-mapping.dmp

Download
memory/3256-121-0x0000000000000000-mapping.dmp

Download
memory/3888-119-0x0000000000000000-mapping.dmp

Download
memory/4088-120-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads