gandcrab | 516a6e7732501e1b233a3bac31bd52e990c6789a013da62ddbdabc7e9ce93f36

General

Target

2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
Size

250KB
MD5

888badcd88cbb69928b695de4602139a
SHA1

438bbaa9e2afebaaab99c08c4635041b9fd4b724
SHA256

516a6e7732501e1b233a3bac31bd52e990c6789a013da62ddbdabc7e9ce93f36
SHA512

7f0edaf7c689a2d7e4f8bce1cd661b263dcbdc1cc1a5069382dbae270ecb1349b049ed9a5d50be178eca3f31c8a5d7af5220d6cd5a5a74bfaa443050bee27986
SSDEEP

3072:L/yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3:L/y20Gj0r+EBFrkvlU3RvIUDOIN

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2924-4-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2924-5-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2924-12-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2924-15-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab

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

Detects Reflective DLL injection artifacts 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2924-4-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2924-5-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2924-12-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2924-15-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2924-4-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2924-5-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2924-12-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2924-15-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2924-4-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2924-5-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2924-12-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2924-15-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wrunkwurxvy = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\vdgoab.exe\""	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.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:

2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\W:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.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:

2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe

pid process

2924 2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
2924 2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe

pid	process
2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe

description	pid	process	target process
PID 2924 wrote to memory of 2340	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2340	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2340	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2340	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2680	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2680	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2680	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2680	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 3024	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 3024	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 3024	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 3024	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2936	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2936	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2936	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2936	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2484	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2484	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2484	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2484	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2552	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2552	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2552	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2552	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2612	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2612	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2612	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2612	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1608	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1608	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1608	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1608	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2500	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2500	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2500	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2500	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 656	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 656	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 656	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 656	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2744	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2744	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2744	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2744	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1928	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1928	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1928	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1928	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1264	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1264	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1264	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1264	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2212	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2212	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2212	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2212	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1696	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1696	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1696	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 1696	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2012	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2012	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2012	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe
PID 2924 wrote to memory of 2012	2924	2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_888badcd88cbb69928b695de4602139a_karagany_mafia.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2924

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2340

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2680

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:3024

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2936

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:2552

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2612

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1608

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2500

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:656

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2744

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1928

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1264

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2212

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1696

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2012

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2072

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1048

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:3064

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1756

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1596

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1640

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2160

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1760

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/2924-2-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2924-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2924-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2924-5-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2924-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2924-14-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2924-15-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads