gandcrab | 0c3440e6e07d61dbc35ae27812330cd0c857ea1cc5a403c722625b22be76827f

General

Target

2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
Size

250KB
MD5

b6e871f12f0e575678a3239a59243a39
SHA1

5ad2716401b0b1be2e65662951d2cc3d16069d45
SHA256

0c3440e6e07d61dbc35ae27812330cd0c857ea1cc5a403c722625b22be76827f
SHA512

10ced36bd7c05b5af86b1b7f9ef5610d15a84f3c8ae1cac88c4edd390d72608757d3b915738e4ccf4dd3577a87b95fa0d1e6d3a2788403e2492208f7edbff121
SSDEEP

6144:r+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:fOCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2516-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2516-4-0x0000000000280000-0x0000000000297000-memory.dmp	family_gandcrab
behavioral1/memory/2516-11-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2516-13-0x0000000000280000-0x0000000000297000-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/2516-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2516-4-0x0000000000280000-0x0000000000297000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2516-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2516-13-0x0000000000280000-0x0000000000297000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2516-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2516-4-0x0000000000280000-0x0000000000297000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2516-11-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2516-13-0x0000000000280000-0x0000000000297000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2516-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2516-4-0x0000000000280000-0x0000000000297000-memory.dmp	Gandcrab
behavioral1/memory/2516-11-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2516-13-0x0000000000280000-0x0000000000297000-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:

2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\qdhpydbgfin = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\tfwcdw.exe\""	2024-03-31_b6e871f12f0e575678a3239a59243a39_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:

2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\J:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-31_b6e871f12f0e575678a3239a59243a39_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:

2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe

pid process

2516 2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
2516 2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe

pid	process
2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe

description	pid	process	target process
PID 2516 wrote to memory of 2656	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2656	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2656	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2656	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2872	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2872	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2872	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2872	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2832	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2832	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2832	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2832	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2436	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2436	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2436	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2436	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1268	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1268	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1268	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1268	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1656	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1656	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1656	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1656	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2520	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2520	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2520	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2520	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1660	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1660	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1660	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1660	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1976	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1976	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1976	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1976	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2180	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2180	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2180	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2180	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1544	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1544	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1544	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1544	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1404	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1404	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1404	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1404	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2372	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2372	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2372	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2372	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1472	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1472	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1472	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 1472	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 560	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 560	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 560	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 560	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2000	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2000	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2000	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe
PID 2516 wrote to memory of 2000	2516	2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_b6e871f12f0e575678a3239a59243a39_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_b6e871f12f0e575678a3239a59243a39_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:2516

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2656

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2872

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2832

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:1268

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1656

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2520

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1660

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:2180

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1544

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1404

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2372

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1472

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:560

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2000

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2400

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1308

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2328

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1536

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1416

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

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:3012

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2248

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

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Downloads

memory/2516-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2516-1-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2516-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2516-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2516-4-0x0000000000280000-0x0000000000297000-memory.dmp

Filesize
92KB

Download
memory/2516-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2516-13-0x0000000000280000-0x0000000000297000-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