gandcrab | 30cfb5c966e2fea2f36bff95a4879f1bbfc2d7bc270e76cf6d4aeb0357f5c80b

Analysis

max time kernel
147s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 19:32

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General

Target

2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
Size

308KB
MD5

65e342499c773c003799b4a59dc80744
SHA1

13bd4b6e8477ef8d17d894b0ebfa957482bd89cf
SHA256

30cfb5c966e2fea2f36bff95a4879f1bbfc2d7bc270e76cf6d4aeb0357f5c80b
SHA512

7532a76522a30c023410a32d84d9701b6c217dd7688d191b687f27b084b14871b2aabe007fefb08f0a3946ebd5cf5494385238a4d23e8c82188fea9d7e9e087b
SSDEEP

6144:uzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:sDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1308-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1308-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	family_gandcrab
behavioral1/memory/1308-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1308-13-0x00000000003A0000-0x00000000003B7000-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

resource	yara_rule
behavioral1/memory/1308-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1308-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1308-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1308-13-0x00000000003A0000-0x00000000003B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1308-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1308-13-0x00000000003A0000-0x00000000003B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1308-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1308-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	Gandcrab
behavioral1/memory/1308-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1308-13-0x00000000003A0000-0x00000000003B7000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\mhaefsihvox = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\ytpokq.exe\""	2024-02-25_65e342499c773c003799b4a59dc80744_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

description	ioc	Process
File opened (read-only)	\??\Q:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-25_65e342499c773c003799b4a59dc80744_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 2700	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	28
PID 1308 wrote to memory of 2700	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	28
PID 1308 wrote to memory of 2700	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	28
PID 1308 wrote to memory of 2700	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	28
PID 1308 wrote to memory of 2432	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	30
PID 1308 wrote to memory of 2432	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	30
PID 1308 wrote to memory of 2432	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	30
PID 1308 wrote to memory of 2432	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	30
PID 1308 wrote to memory of 2524	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	32
PID 1308 wrote to memory of 2524	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	32
PID 1308 wrote to memory of 2524	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	32
PID 1308 wrote to memory of 2524	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	32
PID 1308 wrote to memory of 2588	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	34
PID 1308 wrote to memory of 2588	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	34
PID 1308 wrote to memory of 2588	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	34
PID 1308 wrote to memory of 2588	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	34
PID 1308 wrote to memory of 860	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	38
PID 1308 wrote to memory of 860	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	38
PID 1308 wrote to memory of 860	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	38
PID 1308 wrote to memory of 860	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	38
PID 1308 wrote to memory of 2404	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	40
PID 1308 wrote to memory of 2404	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	40
PID 1308 wrote to memory of 2404	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	40
PID 1308 wrote to memory of 2404	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	40
PID 1308 wrote to memory of 1796	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	42
PID 1308 wrote to memory of 1796	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	42
PID 1308 wrote to memory of 1796	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	42
PID 1308 wrote to memory of 1796	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	42
PID 1308 wrote to memory of 2484	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	44
PID 1308 wrote to memory of 2484	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	44
PID 1308 wrote to memory of 2484	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	44
PID 1308 wrote to memory of 2484	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	44
PID 1308 wrote to memory of 756	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	46
PID 1308 wrote to memory of 756	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	46
PID 1308 wrote to memory of 756	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	46
PID 1308 wrote to memory of 756	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	46
PID 1308 wrote to memory of 1932	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	48
PID 1308 wrote to memory of 1932	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	48
PID 1308 wrote to memory of 1932	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	48
PID 1308 wrote to memory of 1932	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	48
PID 1308 wrote to memory of 1824	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	50
PID 1308 wrote to memory of 1824	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	50
PID 1308 wrote to memory of 1824	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	50
PID 1308 wrote to memory of 1824	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	50
PID 1308 wrote to memory of 2364	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	52
PID 1308 wrote to memory of 2364	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	52
PID 1308 wrote to memory of 2364	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	52
PID 1308 wrote to memory of 2364	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	52
PID 1308 wrote to memory of 1624	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	54
PID 1308 wrote to memory of 1624	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	54
PID 1308 wrote to memory of 1624	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	54
PID 1308 wrote to memory of 1624	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	54
PID 1308 wrote to memory of 2288	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	56
PID 1308 wrote to memory of 2288	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	56
PID 1308 wrote to memory of 2288	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	56
PID 1308 wrote to memory of 2288	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	56
PID 1308 wrote to memory of 3024	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	58
PID 1308 wrote to memory of 3024	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	58
PID 1308 wrote to memory of 3024	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	58
PID 1308 wrote to memory of 3024	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	58
PID 1308 wrote to memory of 1412	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	60
PID 1308 wrote to memory of 1412	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	60
PID 1308 wrote to memory of 1412	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	60
PID 1308 wrote to memory of 1412	1308	2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-25_65e342499c773c003799b4a59dc80744_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_65e342499c773c003799b4a59dc80744_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:1308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2700
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2524
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:860
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2404
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1796
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2484
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:756
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1824
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2364
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2288
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3024
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1412
- 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:1332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1256
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1308-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1308-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1308-3-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download
memory/1308-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1308-12-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/1308-13-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download