gandcrab | a2fdeab6519ecaa092667cde96fa92e6cf70ca2b0ee786376b6df59229a7986a

Analysis

max time kernel
147s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/03/2024, 10:40

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General

Target
2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
Size 250KB
Sample240324-mqqnesca62
SHA256 a2fdeab6519ecaa092667cde96fa92e6cf70ca2b0ee786376b6df59229a7986a
MD5 eb1dd2372c30fd74f4049edb1f182398
SHA1 9a539558a45954f88ddf9127682e590d7813cf4c
SHA512 2806121622054bcf3c9ee4c77195e44ab19f4831cac1a1826be9fcf1a89ebbada8a8a8f8907938f100c87a1c560757941c0d65ce05d3d7c0674ed70726df9a1e
SSDEEP 6144:G+YrOIBjaklexBgiJ8sTSIkIpxIp8mDtfPBRwasxXq:yOCjaklYgVIpxIhDtR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2844-3-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2844-4-0x0000000000240000-0x0000000000257000-memory.dmp	family_gandcrab
behavioral1/memory/2844-11-0x0000000000400000-0x0000000000444000-memory.dmp	family_gandcrab
behavioral1/memory/2844-13-0x0000000000240000-0x0000000000257000-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/2844-3-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2844-4-0x0000000000240000-0x0000000000257000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2844-11-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2844-13-0x0000000000240000-0x0000000000257000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

resource	yara_rule
behavioral1/memory/2844-3-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2844-4-0x0000000000240000-0x0000000000257000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2844-11-0x0000000000400000-0x0000000000444000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2844-13-0x0000000000240000-0x0000000000257000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2844-3-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2844-4-0x0000000000240000-0x0000000000257000-memory.dmp	Gandcrab
behavioral1/memory/2844-11-0x0000000000400000-0x0000000000444000-memory.dmp	Gandcrab
behavioral1/memory/2844-13-0x0000000000240000-0x0000000000257000-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\lalmrubgpxi = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\zayish.exe\""	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_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)	\??\G:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_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	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2432	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	28
PID 2844 wrote to memory of 2432	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	28
PID 2844 wrote to memory of 2432	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	28
PID 2844 wrote to memory of 2432	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	28
PID 2844 wrote to memory of 2788	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	30
PID 2844 wrote to memory of 2788	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	30
PID 2844 wrote to memory of 2788	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	30
PID 2844 wrote to memory of 2788	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	30
PID 2844 wrote to memory of 2528	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	32
PID 2844 wrote to memory of 2528	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	32
PID 2844 wrote to memory of 2528	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	32
PID 2844 wrote to memory of 2528	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	32
PID 2844 wrote to memory of 2172	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	34
PID 2844 wrote to memory of 2172	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	34
PID 2844 wrote to memory of 2172	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	34
PID 2844 wrote to memory of 2172	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	34
PID 2844 wrote to memory of 2312	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	36
PID 2844 wrote to memory of 2312	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	36
PID 2844 wrote to memory of 2312	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	36
PID 2844 wrote to memory of 2312	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	36
PID 2844 wrote to memory of 1972	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	38
PID 2844 wrote to memory of 1972	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	38
PID 2844 wrote to memory of 1972	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	38
PID 2844 wrote to memory of 1972	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	38
PID 2844 wrote to memory of 2552	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	42
PID 2844 wrote to memory of 2552	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	42
PID 2844 wrote to memory of 2552	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	42
PID 2844 wrote to memory of 2552	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	42
PID 2844 wrote to memory of 1636	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	44
PID 2844 wrote to memory of 1636	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	44
PID 2844 wrote to memory of 1636	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	44
PID 2844 wrote to memory of 1636	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	44
PID 2844 wrote to memory of 936	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	46
PID 2844 wrote to memory of 936	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	46
PID 2844 wrote to memory of 936	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	46
PID 2844 wrote to memory of 936	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	46
PID 2844 wrote to memory of 1624	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	48
PID 2844 wrote to memory of 1624	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	48
PID 2844 wrote to memory of 1624	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	48
PID 2844 wrote to memory of 1624	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	48
PID 2844 wrote to memory of 1936	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	50
PID 2844 wrote to memory of 1936	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	50
PID 2844 wrote to memory of 1936	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	50
PID 2844 wrote to memory of 1936	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	50
PID 2844 wrote to memory of 1644	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	52
PID 2844 wrote to memory of 1644	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	52
PID 2844 wrote to memory of 1644	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	52
PID 2844 wrote to memory of 1644	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	52
PID 2844 wrote to memory of 896	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	54
PID 2844 wrote to memory of 896	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	54
PID 2844 wrote to memory of 896	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	54
PID 2844 wrote to memory of 896	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	54
PID 2844 wrote to memory of 1224	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	56
PID 2844 wrote to memory of 1224	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	56
PID 2844 wrote to memory of 1224	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	56
PID 2844 wrote to memory of 1224	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	56
PID 2844 wrote to memory of 3052	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	58
PID 2844 wrote to memory of 3052	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	58
PID 2844 wrote to memory of 3052	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	58
PID 2844 wrote to memory of 3052	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	58
PID 2844 wrote to memory of 2660	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	60
PID 2844 wrote to memory of 2660	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	60
PID 2844 wrote to memory of 2660	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	60
PID 2844 wrote to memory of 2660	2844	2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-03-24_eb1dd2372c30fd74f4049edb1f182398_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-24_eb1dd2372c30fd74f4049edb1f182398_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:2844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2432
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2788
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2528
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2172
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2312
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1972
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1636
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:936
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1624
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1936
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1644
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1224
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3052
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2660
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2956
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:272
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2964
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:772
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1080
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2728

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/2844-0-0x0000000000220000-0x000000000023B000-memory.dmp

Download

memory/2844-1-0x0000000000220000-0x000000000023B000-memory.dmp

Download

memory/2844-2-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2844-3-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2844-4-0x0000000000240000-0x0000000000257000-memory.dmp

Download

memory/2844-11-0x0000000000400000-0x0000000000444000-memory.dmp

Download

memory/2844-13-0x0000000000240000-0x0000000000257000-memory.dmp

Download