gandcrab | a4dcf098f6c983ba735e98c9106c9ff8dce47d7601cee3c6d34939d61507ca25

General

Target

2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
Size

250KB
MD5

e2d25512be0298fc5372134d83add9e2
SHA1

9cd787396cfa05296ac590dcd116956a77e6a331
SHA256

a4dcf098f6c983ba735e98c9106c9ff8dce47d7601cee3c6d34939d61507ca25
SHA512

78719af222ed8cb4f8a1112975bcdda698b7e3de936dae9f3f439b1598e991e492983b6717a4453967c2ec4b9d7cde7fcda791db808d107257e080bf076ca134
SSDEEP

6144:p+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:pOCjaklYgVIpxIhDtR

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2016-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2016-4-0x0000000000240000-0x0000000000257000-memory.dmp	family_gandcrab
behavioral1/memory/2016-11-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2016-13-0x0000000000240000-0x0000000000257000-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/2016-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2016-4-0x0000000000240000-0x0000000000257000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2016-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2016-13-0x0000000000240000-0x0000000000257000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2016-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2016-4-0x0000000000240000-0x0000000000257000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2016-11-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2016-13-0x0000000000240000-0x0000000000257000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2016-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2016-4-0x0000000000240000-0x0000000000257000-memory.dmp	Gandcrab
behavioral1/memory/2016-11-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2016-13-0x0000000000240000-0x0000000000257000-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:

2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\xskslbrniru = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\qdofoi.exe\""	2024-03-31_e2d25512be0298fc5372134d83add9e2_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_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\M:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-31_e2d25512be0298fc5372134d83add9e2_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_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe

pid process

2016 2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
2016 2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe

pid	process
2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe

description	pid	process	target process
PID 2016 wrote to memory of 2748	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2748	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2748	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2748	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2456	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2456	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2456	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2456	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2476	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2476	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2476	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2476	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2564	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2564	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2564	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2564	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2524	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2524	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2524	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2524	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2620	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2620	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2620	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2620	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2688	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2688	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2688	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2688	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1752	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1752	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1752	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1752	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 320	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 320	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 320	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 320	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1124	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1124	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1124	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1124	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1476	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1476	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1476	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1476	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2864	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2864	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2864	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2864	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1212	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1212	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1212	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 1212	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2276	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2276	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2276	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2276	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2312	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2312	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2312	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 2312	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 796	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 796	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 796	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe
PID 2016 wrote to memory of 796	2016	2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_e2d25512be0298fc5372134d83add9e2_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_e2d25512be0298fc5372134d83add9e2_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:2016

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2748

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2456

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2476

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2564

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2524

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2620

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2688

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1752

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:320

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:1476

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2864

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:2276

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2312

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:796

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1420

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1588

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2420

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:848

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:288

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1648

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:3048

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

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/2016-0-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2016-1-0x0000000000220000-0x000000000023B000-memory.dmp

Filesize
108KB

Download
memory/2016-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2016-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2016-4-0x0000000000240000-0x0000000000257000-memory.dmp

Filesize
92KB

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memory/2016-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

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memory/2016-13-0x0000000000240000-0x0000000000257000-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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