gandcrab | ccf6f727c7c67e716709268b9b714a028741e716d8b57d8b059c26d44bea6d3d

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-02-2024 07:56

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General

Target

2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
Size

308KB
MD5

93f2f803f4bd881d7d2bbc9fdefee8a1
SHA1

b3ca01714e743520880728593d688c4d7652989c
SHA256

ccf6f727c7c67e716709268b9b714a028741e716d8b57d8b059c26d44bea6d3d
SHA512

7621301a40735229617b193594585b5488f054f629108f3a46d9a590293319b01501c6486f6775c24a849dc599b5d4b4e477644de640527cf874773976bd4b0a
SSDEEP

6144:tzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:jDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1968-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1968-4-0x00000000002F0000-0x0000000000307000-memory.dmp	family_gandcrab
behavioral1/memory/1968-11-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1968-14-0x00000000002F0000-0x0000000000307000-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/1968-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1968-4-0x00000000002F0000-0x0000000000307000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1968-11-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1968-14-0x00000000002F0000-0x0000000000307000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1968-4-0x00000000002F0000-0x0000000000307000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1968-14-0x00000000002F0000-0x0000000000307000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1968-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1968-4-0x00000000002F0000-0x0000000000307000-memory.dmp	Gandcrab
behavioral1/memory/1968-11-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1968-14-0x00000000002F0000-0x0000000000307000-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\iehyjcwnzbk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\pwcnkk.exe\""	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_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)	\??\M:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1136	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	28
PID 1968 wrote to memory of 1136	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	28
PID 1968 wrote to memory of 1136	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	28
PID 1968 wrote to memory of 1136	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	28
PID 1968 wrote to memory of 2352	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	30
PID 1968 wrote to memory of 2352	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	30
PID 1968 wrote to memory of 2352	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	30
PID 1968 wrote to memory of 2352	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	30
PID 1968 wrote to memory of 2760	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	32
PID 1968 wrote to memory of 2760	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	32
PID 1968 wrote to memory of 2760	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	32
PID 1968 wrote to memory of 2760	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	32
PID 1968 wrote to memory of 2328	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	34
PID 1968 wrote to memory of 2328	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	34
PID 1968 wrote to memory of 2328	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	34
PID 1968 wrote to memory of 2328	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	34
PID 1968 wrote to memory of 2852	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	36
PID 1968 wrote to memory of 2852	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	36
PID 1968 wrote to memory of 2852	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	36
PID 1968 wrote to memory of 2852	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	36
PID 1968 wrote to memory of 3056	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	40
PID 1968 wrote to memory of 3056	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	40
PID 1968 wrote to memory of 3056	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	40
PID 1968 wrote to memory of 3056	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	40
PID 1968 wrote to memory of 1808	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	42
PID 1968 wrote to memory of 1808	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	42
PID 1968 wrote to memory of 1808	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	42
PID 1968 wrote to memory of 1808	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	42
PID 1968 wrote to memory of 1680	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	44
PID 1968 wrote to memory of 1680	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	44
PID 1968 wrote to memory of 1680	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	44
PID 1968 wrote to memory of 1680	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	44
PID 1968 wrote to memory of 1588	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	46
PID 1968 wrote to memory of 1588	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	46
PID 1968 wrote to memory of 1588	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	46
PID 1968 wrote to memory of 1588	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	46
PID 1968 wrote to memory of 1924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	48
PID 1968 wrote to memory of 1924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	48
PID 1968 wrote to memory of 1924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	48
PID 1968 wrote to memory of 1924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	48
PID 1968 wrote to memory of 1596	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	50
PID 1968 wrote to memory of 1596	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	50
PID 1968 wrote to memory of 1596	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	50
PID 1968 wrote to memory of 1596	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	50
PID 1968 wrote to memory of 924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	52
PID 1968 wrote to memory of 924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	52
PID 1968 wrote to memory of 924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	52
PID 1968 wrote to memory of 924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	52
PID 1968 wrote to memory of 1872	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	54
PID 1968 wrote to memory of 1872	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	54
PID 1968 wrote to memory of 1872	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	54
PID 1968 wrote to memory of 1872	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	54
PID 1968 wrote to memory of 1452	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	56
PID 1968 wrote to memory of 1452	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	56
PID 1968 wrote to memory of 1452	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	56
PID 1968 wrote to memory of 1452	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	56
PID 1968 wrote to memory of 2924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	58
PID 1968 wrote to memory of 2924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	58
PID 1968 wrote to memory of 2924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	58
PID 1968 wrote to memory of 2924	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	58
PID 1968 wrote to memory of 2424	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	60
PID 1968 wrote to memory of 2424	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	60
PID 1968 wrote to memory of 2424	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	60
PID 1968 wrote to memory of 2424	1968	2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_93f2f803f4bd881d7d2bbc9fdefee8a1_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:1968
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1136
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2760
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2328
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2852
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3056
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1808
- 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:1588
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1924
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:924
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1872
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1452
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2924
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2424
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1040
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:772
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1504
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1104
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:700
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1752

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/1968-1-0x000000000AA80000-0x000000000AB80000-memory.dmp

Filesize
1024KB

Download
memory/1968-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1968-4-0x00000000002F0000-0x0000000000307000-memory.dmp

Filesize
92KB

Download
memory/1968-11-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1968-13-0x000000000AA80000-0x000000000AB80000-memory.dmp

Filesize
1024KB

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memory/1968-14-0x00000000002F0000-0x0000000000307000-memory.dmp

Filesize
92KB

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