gandcrab | c6d64429e163bd862c900bfaf8f73ad4690907046c50e44cca5ca556c9071f01

General

Target

019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
Size

321KB
MD5

019c15658de59da119e453fb0ad85a8b
SHA1

e9bfa8813807f8ccb4199135db923de260af3353
SHA256

c6d64429e163bd862c900bfaf8f73ad4690907046c50e44cca5ca556c9071f01
SHA512

287e42c7ba1428a4b60fc5ee6c44fa207fa3a8e20e57787ba91e06f1c4b4cdca0fa219e52e4f772579cb43ae96e1a5ea927c895d201c6c73a2b6190dd288b59c
SSDEEP

6144:cfwD/eHK1rGTAOfrIV/QHxOtJkkgYsGGdzKLk:cfwDz1+q4Hsi+Lk

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2852-2-0x0000000000400000-0x000000000045F000-memory.dmp	family_gandcrab
behavioral1/memory/2852-3-0x0000000000240000-0x0000000000257000-memory.dmp	family_gandcrab
behavioral1/memory/2852-5-0x0000000000400000-0x000000000045F000-memory.dmp	family_gandcrab
behavioral1/memory/2852-14-0x0000000000240000-0x0000000000257000-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:

019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\hgslrhwlevn = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\rvkfih.exe\""	019c15658de59da119e453fb0ad85a8b_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:

019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\M:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\W:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\X:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\E:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\L:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\K:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\P:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\Y:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\Z:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\A:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\B:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\I:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\O:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\R:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\U:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\V:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\G:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\H:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\Q:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\S:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\T:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\J:	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
File opened (read-only)	\??\N:	019c15658de59da119e453fb0ad85a8b_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:

019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe

pid process

2852 019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
2852 019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe

pid	process
2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe

description	pid	process	target process
PID 2852 wrote to memory of 2720	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2720	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2720	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2720	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2676	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2676	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2676	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2676	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2656	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2656	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2656	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2656	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2308	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2308	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2308	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2308	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2484	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2484	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2484	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2484	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2504	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2504	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2504	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2504	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2604	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2604	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2604	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2604	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2768	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2768	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2768	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2768	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1992	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1992	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1992	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1992	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2004	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2004	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2004	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2004	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1600	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1600	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1600	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1600	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 480	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 480	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 480	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 480	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2872	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2872	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2872	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2872	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1116	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1116	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1116	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1116	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2284	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2284	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2284	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 2284	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1120	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1120	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1120	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe
PID 2852 wrote to memory of 1120	2852	019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\019c15658de59da119e453fb0ad85a8b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2852

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2720

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:2656

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2308

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2484

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2504

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2604

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2768

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1992

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2004

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1600

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:480

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2872

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1116

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2284

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1120

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2112

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:576

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1148

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1940

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:972

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1768

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:936

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

memory/2852-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2852-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2852-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2852-3-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download
memory/2852-5-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2852-12-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2852-14-0x0000000000240000-0x0000000000257000-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