gandcrab | 8a920b9e12f5a2b3f1f3f13a225cec6c4f102fd1f727969d70611e7b0fe037a4

General

Target

01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
Size

321KB
MD5

01cbac1b864a087c7fe6f2b38b91815b
SHA1

6bdb698c78fb65450fab42ce9e63ce798892b9c9
SHA256

8a920b9e12f5a2b3f1f3f13a225cec6c4f102fd1f727969d70611e7b0fe037a4
SHA512

2147e4295bee5d023e187daf3fd02b2dda6985194503d3b32ad3ab487450ee9d27040d1d69ba89b3f826ac95873ba47a5fada05945cdf09661f9b0506462de44
SSDEEP

6144:efwD/eHK1rGTAOfrIV/QHxOtJkkgYsGGdzKLK:efwDz1+q4Hsi+LK

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2292-2-0x0000000000400000-0x000000000045F000-memory.dmp	family_gandcrab
behavioral1/memory/2292-3-0x0000000000240000-0x0000000000257000-memory.dmp	family_gandcrab
behavioral1/memory/2292-5-0x0000000000400000-0x000000000045F000-memory.dmp	family_gandcrab
behavioral1/memory/2292-13-0x0000000000240000-0x0000000000257000-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:

01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\ndfbfkbagzv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\kvetaw.exe\""	01cbac1b864a087c7fe6f2b38b91815b_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:

01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe

description	ioc	process
File opened (read-only)	\??\G:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\K:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\Q:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\V:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\Y:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\Z:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\B:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\E:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\R:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\W:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\A:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\N:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\O:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\X:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\H:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\L:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\M:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\P:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\S:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\T:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\U:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\I:	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
File opened (read-only)	\??\J:	01cbac1b864a087c7fe6f2b38b91815b_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:

01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe

pid process

2292 01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
2292 01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe

pid	process
2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe

description	pid	process	target process
PID 2292 wrote to memory of 2596	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2596	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2596	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2596	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2704	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2704	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2704	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2704	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2428	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2428	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2428	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2428	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2436	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2436	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2436	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2436	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2452	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2452	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2452	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2452	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2120	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2120	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2120	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2120	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2636	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2636	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2636	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2636	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1668	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1668	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1668	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1668	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 472	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 472	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 472	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 472	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1636	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1636	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1636	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1636	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2460	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2460	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2460	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2460	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1528	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1528	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1528	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1528	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2056	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2056	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2056	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2056	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1252	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1252	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1252	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 1252	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2012	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2012	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2012	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 2012	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 804	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 804	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 804	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe
PID 2292 wrote to memory of 804	2292	01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\01cbac1b864a087c7fe6f2b38b91815b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01cbac1b864a087c7fe6f2b38b91815b_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:2292

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2596

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2704

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2428

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2436

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2452

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2120

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2636

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1668

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:472

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1636

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2460

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1528

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2056

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1252

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2012

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:804

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2792

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1124

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2924

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:332

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:968

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1780

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1052

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2292-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2292-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2292-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2292-3-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download
memory/2292-5-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2292-13-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads