gandcrab | 2b94a1ef590b4d82ae9cff8d771a738dfe672e8efa24b696ef686da1ea78501e

General

Target

371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
Size

244KB
MD5

371de1cf9d7da962f423a3ff1ad9bc52
SHA1

c913750e9fb78cd6687555e9f64d60c5ebf16aaa
SHA256

2b94a1ef590b4d82ae9cff8d771a738dfe672e8efa24b696ef686da1ea78501e
SHA512

98d3b6a1844f14307f1f2b52b82b6cb432035bee74ebdf04b77161dfe191439f010d324c62e09d7bbbe48c89a0fbbce0c00b61f2a1185dec7ffbfd82ef16758f
SSDEEP

3072:JyQC2mC/zuw10GGQ++vroMTPjg/2Y2KfdkYq4vjC3IxbOaeOuMkBAOE6lLxSPNlm:uKuwvJUdkqjtbwqkmOVlLxSG

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/756-258-0x0000000000400000-0x0000000000499000-memory.dmp	family_gandcrab
behavioral1/memory/756-260-0x0000000000240000-0x0000000000257000-memory.dmp	family_gandcrab
behavioral1/memory/756-267-0x0000000000400000-0x0000000000499000-memory.dmp	family_gandcrab
behavioral1/memory/756-269-0x0000000000240000-0x0000000000257000-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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\zvdgtbfrios = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\hlqhkw.exe\""	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.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:

371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\R:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\U:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\Y:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\G:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\H:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\I:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\V:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\Z:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\A:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\E:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\O:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\W:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\B:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\K:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\M:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\P:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\Q:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\S:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\T:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\X:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\J:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\L:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
File opened (read-only)	\??\N:	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\win.ini 371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\win.ini	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.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:

371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

pid process

756 371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
756 371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

pid	process
756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe

description	pid	process	target process
PID 756 wrote to memory of 1132	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1132	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1132	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1132	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1540	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1540	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1540	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1540	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1620	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1620	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1620	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1620	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1208	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1208	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1208	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1208	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 3052	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 3052	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 3052	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 3052	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1740	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1740	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1740	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1740	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2344	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2344	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2344	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2344	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1956	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1956	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1956	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1956	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1880	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1880	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1880	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1880	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2676	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2676	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2676	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2676	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2708	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2708	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2708	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2708	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2612	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2612	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2612	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2612	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1976	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1976	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1976	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 1976	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2616	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2616	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2616	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2616	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2456	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2456	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2456	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2456	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2516	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2516	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2516	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe
PID 756 wrote to memory of 2516	756	371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\371de1cf9d7da962f423a3ff1ad9bc52_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1132

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1540

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1620

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1208

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:3052

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1740

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2344

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1956

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1880

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2676

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2708

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2612

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1976

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2616

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2456

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2516

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2440

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2088

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2864

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2848

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1376

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2264

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

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Downloads

C:\Windows\win.ini
Filesize
30KB

MD5
03534393cda25e5cc7b05274d0f61bb6

SHA1
f7130deb3dcd71c632ac091effd948249287db53

SHA256
06d801184f04ba14fa52fb33be82c6335db5d33310fcf344ce2e48118f775514

SHA512
76a101f0dd0287a6ab71e9b679caf044f0bd4124489cf091acf059c3eb250a3596ac351beb1f4d0f6a3999761102f38c4ebfe6b53de1341c58707bbd187bfe64

Download Submit
memory/756-257-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/756-256-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/756-258-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/756-260-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download
memory/756-267-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/756-269-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads