gandcrab | f98d1e7d17a5044c07aeff34f95b6d5b027c7e9303a89698fc3c31b18499e39f

General

Target

2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
Size

308KB
MD5

3be01f23dac3cb132b25c14ca16860f4
SHA1

01cb78acab3f4af4983e0bd85c5e0291c456d1b7
SHA256

f98d1e7d17a5044c07aeff34f95b6d5b027c7e9303a89698fc3c31b18499e39f
SHA512

6b9736baa064be51c34f01a003efbd25cbb4e166ef2ebfac09906d812b3813bfb75ed2271eddf8fd8b1413ba41b3be33ede2cb6832a241370fe513c6ffe0e5e0
SSDEEP

6144:AzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:mDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/352-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/352-3-0x0000000000290000-0x00000000002A7000-memory.dmp	family_gandcrab
behavioral1/memory/352-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/352-13-0x0000000000290000-0x00000000002A7000-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/352-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/352-3-0x0000000000290000-0x00000000002A7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/352-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/352-13-0x0000000000290000-0x00000000002A7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/352-3-0x0000000000290000-0x00000000002A7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/352-13-0x0000000000290000-0x00000000002A7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/352-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/352-3-0x0000000000290000-0x00000000002A7000-memory.dmp	Gandcrab
behavioral1/memory/352-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/352-13-0x0000000000290000-0x00000000002A7000-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_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\icssekzfkxp = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\xjmody.exe\""	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_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_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\A:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_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_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe

pid process

352 2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
352 2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe

pid	process
352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe

description	pid	process	target process
PID 352 wrote to memory of 2644	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2644	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2644	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2644	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2572	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2572	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2572	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2572	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2560	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2560	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2560	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2560	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2580	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2580	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2580	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2580	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2460	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2460	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2460	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2460	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2712	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2712	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2712	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2712	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2420	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2420	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2420	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2420	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2332	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2332	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2332	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2332	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1720	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1720	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1720	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1720	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1752	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1752	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1752	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1752	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1588	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1588	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1588	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1588	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1536	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1536	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1536	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 1536	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2088	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2088	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2088	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2088	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2428	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2428	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2428	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2428	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2268	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2268	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2268	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 2268	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 680	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 680	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 680	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe
PID 352 wrote to memory of 680	352	2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_3be01f23dac3cb132b25c14ca16860f4_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_3be01f23dac3cb132b25c14ca16860f4_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:352

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2644

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2572

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2560

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2580

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2460

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2712

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:2332

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1720

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1752

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

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:2088

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2428

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2268

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:680

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:900

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1804

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1136

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1356

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1304

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2928

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:3040

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:792

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

Loading Replay Monitor...

Downloads

memory/352-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/352-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/352-3-0x0000000000290000-0x00000000002A7000-memory.dmp

Filesize
92KB

Download
memory/352-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/352-12-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

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memory/352-13-0x0000000000290000-0x00000000002A7000-memory.dmp

Filesize
92KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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