gandcrab | 04341d91118087cfe7f600fb322333c48b2a5338c99b75b076f09a07fb85b1b9

General

Target

2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
Size

308KB
MD5

b1c24eb74cbb258399195d0d035ad471
SHA1

3a9069290b991a8852b867e3197cc2535b524cd2
SHA256

04341d91118087cfe7f600fb322333c48b2a5338c99b75b076f09a07fb85b1b9
SHA512

11793c1f319fe3698f6ab10488df2c5c6742312593432b56332eadeb3e18ae41f0311962d27900691d9c1b8c89f299b648fbefd744d455942665a7b9ca7cab89
SSDEEP

6144:jzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:xDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2336-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2336-4-0x0000000000270000-0x0000000000287000-memory.dmp	family_gandcrab
behavioral1/memory/2336-11-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2336-14-0x0000000000270000-0x0000000000287000-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/2336-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2336-4-0x0000000000270000-0x0000000000287000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2336-11-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2336-14-0x0000000000270000-0x0000000000287000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2336-4-0x0000000000270000-0x0000000000287000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2336-14-0x0000000000270000-0x0000000000287000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2336-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2336-4-0x0000000000270000-0x0000000000287000-memory.dmp	Gandcrab
behavioral1/memory/2336-11-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2336-14-0x0000000000270000-0x0000000000287000-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_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\hwjqndhzvud = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\aezraf.exe\""	2024-04-23_b1c24eb74cbb258399195d0d035ad471_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_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\W:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-23_b1c24eb74cbb258399195d0d035ad471_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_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe

pid process

2336 2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
2336 2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe

pid	process
2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe

description	pid	process	target process
PID 2336 wrote to memory of 1252	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1252	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1252	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1252	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1260	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1260	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1260	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1260	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1992	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1992	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1992	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1992	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 572	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 572	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 572	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 572	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1596	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1596	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1596	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1596	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 656	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 656	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 656	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 656	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 920	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 920	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 920	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 920	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2480	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2480	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2480	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2480	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2664	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2664	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2664	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2664	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2556	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2556	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2556	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2556	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2676	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2676	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2676	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2676	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1352	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1352	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1352	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 1352	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2900	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2900	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2900	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2900	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2936	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2936	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2936	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2936	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 3020	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 3020	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 3020	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 3020	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2980	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2980	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2980	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe
PID 2336 wrote to memory of 2980	2336	2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_b1c24eb74cbb258399195d0d035ad471_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_b1c24eb74cbb258399195d0d035ad471_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:2336

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1252

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1260

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1992

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:572

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:656

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:920

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

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2664

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2556

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2676

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1352

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2900

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2936

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:3020

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2980

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:984

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2808

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1044

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1432

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

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

Replay Monitor

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Downloads

memory/2336-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2336-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2336-4-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

Download
memory/2336-11-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2336-13-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2336-14-0x0000000000270000-0x0000000000287000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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