gandcrab | 831b23db9d47f74efb61bb997bcdcad2119aaf54947a7d9ee0c3a4a5f4218860

General

Target

2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
Size

308KB
MD5

e3ed4d75142487025726c4de0d2170e0
SHA1

82649a13f2304790794f1e983a7f36b7fb7f46b1
SHA256

831b23db9d47f74efb61bb997bcdcad2119aaf54947a7d9ee0c3a4a5f4218860
SHA512

d262643df80af73f561cd1302ae160bb7d887b6d864fd4fae4a5fcba36933812c69f90f9dba3a0b3b8c7e3f64cf2e25c72ec0deb5f938981938bfc9b2e25705b
SSDEEP

6144:izL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:oDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1996-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1996-4-0x00000000002D0000-0x00000000002E7000-memory.dmp	family_gandcrab
behavioral1/memory/1996-11-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1996-14-0x00000000002D0000-0x00000000002E7000-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/1996-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1996-4-0x00000000002D0000-0x00000000002E7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1996-11-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1996-14-0x00000000002D0000-0x00000000002E7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1996-4-0x00000000002D0000-0x00000000002E7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1996-14-0x00000000002D0000-0x00000000002E7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1996-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1996-4-0x00000000002D0000-0x00000000002E7000-memory.dmp	Gandcrab
behavioral1/memory/1996-11-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1996-14-0x00000000002D0000-0x00000000002E7000-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:

2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\bspkvjycpwl = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\biairh.exe\""	2024-04-23_e3ed4d75142487025726c4de0d2170e0_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:

2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\G:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-23_e3ed4d75142487025726c4de0d2170e0_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:

2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe

pid process

1996 2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
1996 2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe

pid	process
1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe

description	pid	process	target process
PID 1996 wrote to memory of 2720	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2720	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2720	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2720	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1756	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1756	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1756	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1756	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2636	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2636	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2636	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2636	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2616	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2616	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2616	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2616	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2512	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2512	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2512	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2512	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1984	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1984	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1984	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1984	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1988	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1988	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1988	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1988	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1936	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1936	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1936	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1936	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2780	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2780	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2780	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2780	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 624	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 624	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 624	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 624	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 316	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 316	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 316	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 316	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1048	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1048	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1048	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1048	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1276	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1276	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1276	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1276	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1824	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1824	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1824	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 1824	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2940	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2940	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2940	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2940	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2300	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2300	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2300	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe
PID 1996 wrote to memory of 2300	1996	2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_e3ed4d75142487025726c4de0d2170e0_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_e3ed4d75142487025726c4de0d2170e0_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:1996

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:1756

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:2616

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2512

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1984

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1988

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1936

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2780

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:624

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:316

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1048

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1276

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1824

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2940

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2300

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:532

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1384

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2404

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1200

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1424

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2036

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:604

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

Loading Replay Monitor...

Downloads

memory/1996-1-0x000000000AA60000-0x000000000AB60000-memory.dmp

Filesize
1024KB

Download
memory/1996-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1996-4-0x00000000002D0000-0x00000000002E7000-memory.dmp

Filesize
92KB

Download
memory/1996-11-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1996-13-0x000000000AA60000-0x000000000AB60000-memory.dmp

Filesize
1024KB

Download
memory/1996-14-0x00000000002D0000-0x00000000002E7000-memory.dmp

Filesize
92KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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