gandcrab | a037df1df36c4ad49c0ab14c3a5d00673fdafc22e1fcc727848e6c2684672a3e

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 04:42

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General

Target

2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
Size

308KB
MD5

49c3d98bebec5532a8492301ea90fdd3
SHA1

d7a0ebb5a24b0bbaa5adde43f26c22f7ed604278
SHA256

a037df1df36c4ad49c0ab14c3a5d00673fdafc22e1fcc727848e6c2684672a3e
SHA512

99ef29adfce0bad76db862a6f0c5b48976a89d8076de78a7b4235bbdcb1a1302a162b2a10530ce89e0316eb90b1624a1acb5603262a597dea981809998bc18e2
SSDEEP

6144:ozL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:ODHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1956-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1956-3-0x00000000001B0000-0x00000000001C7000-memory.dmp	family_gandcrab
behavioral1/memory/1956-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1956-13-0x00000000001B0000-0x00000000001C7000-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/1956-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1956-3-0x00000000001B0000-0x00000000001C7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1956-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1956-13-0x00000000001B0000-0x00000000001C7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1956-3-0x00000000001B0000-0x00000000001C7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1956-13-0x00000000001B0000-0x00000000001C7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1956-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1956-3-0x00000000001B0000-0x00000000001C7000-memory.dmp	Gandcrab
behavioral1/memory/1956-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1956-13-0x00000000001B0000-0x00000000001C7000-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\besntoblqzv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\eefacd.exe\""	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_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)	\??\P:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_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	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2540	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	28
PID 1956 wrote to memory of 2540	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	28
PID 1956 wrote to memory of 2540	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	28
PID 1956 wrote to memory of 2540	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	28
PID 1956 wrote to memory of 2232	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	30
PID 1956 wrote to memory of 2232	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	30
PID 1956 wrote to memory of 2232	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	30
PID 1956 wrote to memory of 2232	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	30
PID 1956 wrote to memory of 2428	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	32
PID 1956 wrote to memory of 2428	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	32
PID 1956 wrote to memory of 2428	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	32
PID 1956 wrote to memory of 2428	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	32
PID 1956 wrote to memory of 2532	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	34
PID 1956 wrote to memory of 2532	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	34
PID 1956 wrote to memory of 2532	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	34
PID 1956 wrote to memory of 2532	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	34
PID 1956 wrote to memory of 2404	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	36
PID 1956 wrote to memory of 2404	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	36
PID 1956 wrote to memory of 2404	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	36
PID 1956 wrote to memory of 2404	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	36
PID 1956 wrote to memory of 2868	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	38
PID 1956 wrote to memory of 2868	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	38
PID 1956 wrote to memory of 2868	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	38
PID 1956 wrote to memory of 2868	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	38
PID 1956 wrote to memory of 1740	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	40
PID 1956 wrote to memory of 1740	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	40
PID 1956 wrote to memory of 1740	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	40
PID 1956 wrote to memory of 1740	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	40
PID 1956 wrote to memory of 2576	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	42
PID 1956 wrote to memory of 2576	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	42
PID 1956 wrote to memory of 2576	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	42
PID 1956 wrote to memory of 2576	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	42
PID 1956 wrote to memory of 1620	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	46
PID 1956 wrote to memory of 1620	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	46
PID 1956 wrote to memory of 1620	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	46
PID 1956 wrote to memory of 1620	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	46
PID 1956 wrote to memory of 344	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	48
PID 1956 wrote to memory of 344	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	48
PID 1956 wrote to memory of 344	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	48
PID 1956 wrote to memory of 344	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	48
PID 1956 wrote to memory of 1252	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	50
PID 1956 wrote to memory of 1252	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	50
PID 1956 wrote to memory of 1252	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	50
PID 1956 wrote to memory of 1252	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	50
PID 1956 wrote to memory of 2016	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	52
PID 1956 wrote to memory of 2016	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	52
PID 1956 wrote to memory of 2016	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	52
PID 1956 wrote to memory of 2016	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	52
PID 1956 wrote to memory of 1672	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	54
PID 1956 wrote to memory of 1672	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	54
PID 1956 wrote to memory of 1672	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	54
PID 1956 wrote to memory of 1672	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	54
PID 1956 wrote to memory of 2220	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	56
PID 1956 wrote to memory of 2220	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	56
PID 1956 wrote to memory of 2220	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	56
PID 1956 wrote to memory of 2220	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	56
PID 1956 wrote to memory of 1604	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	58
PID 1956 wrote to memory of 1604	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	58
PID 1956 wrote to memory of 1604	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	58
PID 1956 wrote to memory of 1604	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	58
PID 1956 wrote to memory of 668	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	60
PID 1956 wrote to memory of 668	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	60
PID 1956 wrote to memory of 668	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	60
PID 1956 wrote to memory of 668	1956	2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-19_49c3d98bebec5532a8492301ea90fdd3_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_49c3d98bebec5532a8492301ea90fdd3_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:1956
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2540
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2232
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2428
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2532
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2404
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2868
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1740
- 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:1620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:344
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1252
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2016
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1672
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2220
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1604
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:668
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1176
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:3056
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2996
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1504
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:896
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2808

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

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Downloads

memory/1956-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1956-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1956-3-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/1956-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1956-12-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/1956-13-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download