gandcrab | 5eebe1a528296ab2aa8b79e275ed6f2712566fcd0d2e4c6a2865026ad02c38ee

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 13:57

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General

Target

2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
Size

332KB
MD5

c8b0005fff62cd6b9749a8ec9e2d1147
SHA1

eb5c529c13fa47c44e67d8dcd6ba951d290dbbfa
SHA256

5eebe1a528296ab2aa8b79e275ed6f2712566fcd0d2e4c6a2865026ad02c38ee
SHA512

b5426245938b75ade5ea19384cfe790bacb56f035ac30a0ccd5eb435d212d6d75df4c70c6445c53590ef18e1bec93f346c819247bb5a18bbf93d192f70f69ee9
SSDEEP

6144:Ndry+Li0x1ilayXFqVBnWGJAPmrBgRk74:NdtLi0bV5WIAPM+ac

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2032-4-0x0000000000400000-0x00000000012D8000-memory.dmp	family_gandcrab
behavioral1/memory/2032-5-0x0000000000320000-0x0000000000337000-memory.dmp	family_gandcrab
behavioral1/memory/2032-12-0x0000000000400000-0x00000000012D8000-memory.dmp	family_gandcrab
behavioral1/memory/2032-15-0x0000000000320000-0x0000000000337000-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/2032-4-0x0000000000400000-0x00000000012D8000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2032-5-0x0000000000320000-0x0000000000337000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2032-12-0x0000000000400000-0x00000000012D8000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2032-15-0x0000000000320000-0x0000000000337000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2032-5-0x0000000000320000-0x0000000000337000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2032-15-0x0000000000320000-0x0000000000337000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2032-4-0x0000000000400000-0x00000000012D8000-memory.dmp	Gandcrab
behavioral1/memory/2032-5-0x0000000000320000-0x0000000000337000-memory.dmp	Gandcrab
behavioral1/memory/2032-12-0x0000000000400000-0x00000000012D8000-memory.dmp	Gandcrab
behavioral1/memory/2032-15-0x0000000000320000-0x0000000000337000-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\acbnfboidka = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\yqnjai.exe\""	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_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)	\??\K:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_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	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 2588	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	28
PID 2032 wrote to memory of 2588	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	28
PID 2032 wrote to memory of 2588	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	28
PID 2032 wrote to memory of 2588	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	28
PID 2032 wrote to memory of 2608	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	30
PID 2032 wrote to memory of 2608	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	30
PID 2032 wrote to memory of 2608	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	30
PID 2032 wrote to memory of 2608	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	30
PID 2032 wrote to memory of 2852	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	32
PID 2032 wrote to memory of 2852	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	32
PID 2032 wrote to memory of 2852	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	32
PID 2032 wrote to memory of 2852	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	32
PID 2032 wrote to memory of 2732	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	34
PID 2032 wrote to memory of 2732	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	34
PID 2032 wrote to memory of 2732	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	34
PID 2032 wrote to memory of 2732	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	34
PID 2032 wrote to memory of 1628	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	36
PID 2032 wrote to memory of 1628	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	36
PID 2032 wrote to memory of 1628	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	36
PID 2032 wrote to memory of 1628	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	36
PID 2032 wrote to memory of 2972	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	40
PID 2032 wrote to memory of 2972	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	40
PID 2032 wrote to memory of 2972	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	40
PID 2032 wrote to memory of 2972	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	40
PID 2032 wrote to memory of 1972	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	42
PID 2032 wrote to memory of 1972	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	42
PID 2032 wrote to memory of 1972	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	42
PID 2032 wrote to memory of 1972	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	42
PID 2032 wrote to memory of 1680	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	44
PID 2032 wrote to memory of 1680	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	44
PID 2032 wrote to memory of 1680	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	44
PID 2032 wrote to memory of 1680	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	44
PID 2032 wrote to memory of 2704	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	46
PID 2032 wrote to memory of 2704	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	46
PID 2032 wrote to memory of 2704	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	46
PID 2032 wrote to memory of 2704	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	46
PID 2032 wrote to memory of 1860	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	48
PID 2032 wrote to memory of 1860	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	48
PID 2032 wrote to memory of 1860	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	48
PID 2032 wrote to memory of 1860	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	48
PID 2032 wrote to memory of 1512	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	50
PID 2032 wrote to memory of 1512	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	50
PID 2032 wrote to memory of 1512	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	50
PID 2032 wrote to memory of 1512	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	50
PID 2032 wrote to memory of 2304	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	52
PID 2032 wrote to memory of 2304	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	52
PID 2032 wrote to memory of 2304	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	52
PID 2032 wrote to memory of 2304	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	52
PID 2032 wrote to memory of 2300	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	54
PID 2032 wrote to memory of 2300	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	54
PID 2032 wrote to memory of 2300	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	54
PID 2032 wrote to memory of 2300	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	54
PID 2032 wrote to memory of 1276	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	56
PID 2032 wrote to memory of 1276	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	56
PID 2032 wrote to memory of 1276	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	56
PID 2032 wrote to memory of 1276	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	56
PID 2032 wrote to memory of 704	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	58
PID 2032 wrote to memory of 704	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	58
PID 2032 wrote to memory of 704	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	58
PID 2032 wrote to memory of 704	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	58
PID 2032 wrote to memory of 828	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	60
PID 2032 wrote to memory of 828	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	60
PID 2032 wrote to memory of 828	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	60
PID 2032 wrote to memory of 828	2032	2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_c8b0005fff62cd6b9749a8ec9e2d1147_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:2032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2732
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2972
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1972
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1680
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2704
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1860
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1512
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2304
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2300
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1276
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:704
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:828
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2172
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1780

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/2032-1-0x0000000000400000-0x00000000012D8000-memory.dmp

Filesize
14.8MB

Download
memory/2032-2-0x00000000014A0000-0x00000000015A0000-memory.dmp

Filesize
1024KB

Download
memory/2032-3-0x0000000000400000-0x00000000012D8000-memory.dmp

Filesize
14.8MB

Download
memory/2032-4-0x0000000000400000-0x00000000012D8000-memory.dmp

Filesize
14.8MB

Download
memory/2032-5-0x0000000000320000-0x0000000000337000-memory.dmp

Filesize
92KB

Download
memory/2032-12-0x0000000000400000-0x00000000012D8000-memory.dmp

Filesize
14.8MB

Download
memory/2032-13-0x00000000014A0000-0x00000000015A0000-memory.dmp

Filesize
1024KB

Download
memory/2032-15-0x0000000000320000-0x0000000000337000-memory.dmp

Filesize
92KB

Download