gandcrab | 838e46b937972fa1aa115064ca8c3aa3f023692a8e6aeed4f577b80b8d37de06

General

Target

2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
Size

308KB
MD5

000f3bc5fb35e34159029bb49f73163f
SHA1

24310e3c2daa53cf96ecc70e9b501015b0b96784
SHA256

838e46b937972fa1aa115064ca8c3aa3f023692a8e6aeed4f577b80b8d37de06
SHA512

2636ebb220084f5892d065fabe75e9b8e9e50c38dc061b797f8f7f0e99ba7af3fb7760a5156dd12f7387bbd26b4be074263f0b5f515ce688ddbaf9d445ee4fa8
SSDEEP

6144:IzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:uDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2880-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2880-3-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2880-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2880-13-0x0000000000220000-0x0000000000237000-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/2880-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2880-3-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2880-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2880-13-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2880-3-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2880-13-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2880-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2880-3-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2880-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2880-13-0x0000000000220000-0x0000000000237000-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_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\rdrrhqsmpox = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ozbjlo.exe\""	2024-03-31_000f3bc5fb35e34159029bb49f73163f_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_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\S:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-31_000f3bc5fb35e34159029bb49f73163f_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_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe

pid process

2880 2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
2880 2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe

pid	process
2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe

description	pid	process	target process
PID 2880 wrote to memory of 2148	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2148	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2148	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2148	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2744	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2744	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2744	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2744	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2832	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2832	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2832	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2832	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2576	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2576	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2576	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2576	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2472	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2472	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2472	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2472	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2644	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2644	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2644	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2644	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2392	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2392	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2392	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2392	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2536	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2536	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2536	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2536	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1332	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1332	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1332	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1332	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2688	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2688	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2688	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2688	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 948	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 948	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 948	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 948	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 3020	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 3020	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 3020	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 3020	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1436	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1436	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1436	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1436	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2296	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2296	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2296	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 2296	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 684	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 684	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 684	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 684	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1500	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1500	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1500	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe
PID 2880 wrote to memory of 1500	2880	2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-31_000f3bc5fb35e34159029bb49f73163f_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-31_000f3bc5fb35e34159029bb49f73163f_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:2880

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2148

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2744

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:2576

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2472

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2644

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2392

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2536

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1332

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

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:948

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:1436

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2296

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:684

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1500

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1716

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1764

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1852

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1164

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1892

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:3064

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1324

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/2880-1-0x000000000AB00000-0x000000000AC00000-memory.dmp

Filesize
1024KB

Download
memory/2880-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2880-3-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2880-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2880-12-0x000000000AB00000-0x000000000AC00000-memory.dmp

Filesize
1024KB

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memory/2880-13-0x0000000000220000-0x0000000000237000-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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