gandcrab | 5f983e822c0ba61da0f315cb8bdbf4f6cee29921275636a7866310e8dab197aa

General

Target

2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
Size

250KB
MD5

523ffe23a773639c6c734e457df82a6c
SHA1

4e2dfdc6be530d979b552e83adfd43c8da9b8f2c
SHA256

5f983e822c0ba61da0f315cb8bdbf4f6cee29921275636a7866310e8dab197aa
SHA512

fa33ab307c1107db58eb7836f8aa97965a3d001706946c3a4462a2249150e700457d431db33d55c7e2eccd7bec7221bb8aec47f16224651dec9e7c1769ba7b2c
SSDEEP

6144:9+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:9OCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1804-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/1804-4-0x0000000000240000-0x0000000000257000-memory.dmp	family_gandcrab
behavioral1/memory/1804-11-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/1804-13-0x0000000000240000-0x0000000000257000-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/1804-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1804-4-0x0000000000240000-0x0000000000257000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1804-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1804-13-0x0000000000240000-0x0000000000257000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1804-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1804-4-0x0000000000240000-0x0000000000257000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1804-11-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1804-13-0x0000000000240000-0x0000000000257000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1804-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/1804-4-0x0000000000240000-0x0000000000257000-memory.dmp	Gandcrab
behavioral1/memory/1804-11-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/1804-13-0x0000000000240000-0x0000000000257000-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:

2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\ogbzldwtdqp = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\cldvdj.exe\""	2024-04-01_523ffe23a773639c6c734e457df82a6c_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:

2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\K:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-01_523ffe23a773639c6c734e457df82a6c_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:

2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe

pid process

1804 2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
1804 2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe

pid	process
1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe

description	pid	process	target process
PID 1804 wrote to memory of 2572	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2572	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2572	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2572	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2872	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2872	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2872	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2872	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2732	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2732	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2732	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2732	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 3020	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 3020	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 3020	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 3020	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2480	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2480	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2480	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2480	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2980	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2980	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2980	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2980	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1816	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1816	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1816	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1816	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2652	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2652	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2652	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2652	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1988	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1988	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1988	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1988	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1736	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1736	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1736	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1736	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2788	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2788	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2788	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2788	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1532	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1532	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1532	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1532	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1212	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1212	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1212	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1212	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2564	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2564	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2564	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 2564	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1036	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1036	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1036	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 1036	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 540	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 540	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 540	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe
PID 1804 wrote to memory of 540	1804	2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-01_523ffe23a773639c6c734e457df82a6c_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-01_523ffe23a773639c6c734e457df82a6c_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:1804

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2572

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:2732

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:3020

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2480

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2980

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1816

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2652

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1988

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1736

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2788

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1532

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1212

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2564

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1036

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:540

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1484

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1760

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:848

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

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:952

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2308

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

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2228

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

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Downloads

memory/1804-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1804-1-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/1804-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1804-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1804-4-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download
memory/1804-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1804-13-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads