gandcrab | b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8

General

Target

b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
Size

250KB
MD5

4b4333d034009da5ddbfa105e2ddbce7
SHA1

deeeafb18977a43d9d7b7241d8525f73ec7f1430
SHA256

b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8
SHA512

4a3b37265d8b3269337b76f7f72e7b38923fb315bf45d82bc10bfb040c462ee6b76dc8db93369bc85130946190f0cacc5173c40e4d23a45915a1bb2ca018f281

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1840-62-0x00000000002F0000-0x0000000000307000-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:

b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\egdvcanmizq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\lsjafr.exe\""	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.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:

b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe

description	ioc	process
File opened (read-only)	\??\M:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\N:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\O:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\R:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\S:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\F:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\G:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\I:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\V:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\Y:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\P:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\X:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\A:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\H:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\J:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\Q:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\T:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\U:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\Z:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\B:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\E:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\L:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\K:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
File opened (read-only)	\??\W:	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.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:

b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe

pid	process
1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe

description	pid	process	target process
PID 1840 wrote to memory of 772	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 772	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 772	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 772	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 1888	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 1888	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 1888	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 1888	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 632	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 632	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 632	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 632	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 304	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 304	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 304	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 304	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 960	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 960	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 960	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 960	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 996	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 996	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 996	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe
PID 1840 wrote to memory of 996	1840	b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe
"C:\Users\Admin\AppData\Local\Temp\b1002ce2318963d5e17986c41bbfdb4486f6997bb7cd7903789619398a286ad8.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:772

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1888

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:632

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:304

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:960

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:996

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

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/304-66-0x0000000000000000-mapping.dmp

Download
memory/632-65-0x0000000000000000-mapping.dmp

Download
memory/772-63-0x0000000000000000-mapping.dmp

Download
memory/960-67-0x0000000000000000-mapping.dmp

Download
memory/996-68-0x0000000000000000-mapping.dmp

Download
memory/1840-60-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/1840-61-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1840-62-0x00000000002F0000-0x0000000000307000-memory.dmp

Filesize
92KB

Download
memory/1888-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads