gandcrab | cc56b907b2604960011dcfe6b5118a05c1443ed8cf3a07ec074ed54332ecd0c1

Analysis

max time kernel
146s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 18:11

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General

Target

2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
Size

308KB
MD5

f0e4823a7b88786223899051345ea53d
SHA1

3f421335785816cd8cee669af7b3c02c538ecfe4
SHA256

cc56b907b2604960011dcfe6b5118a05c1443ed8cf3a07ec074ed54332ecd0c1
SHA512

678580f71fbaab321c0a54ddd5125af0dc338b933d2d2a33cd7863c03a0c13c9fcf34b9f9786a34e49da9ffc40dddd3f75f1fbcd17115ef85f538dc434e47032
SSDEEP

6144:bzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:JDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2644-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2644-3-0x0000000000220000-0x0000000000237000-memory.dmp	family_gandcrab
behavioral1/memory/2644-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2644-13-0x0000000000220000-0x0000000000237000-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/2644-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2644-3-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2644-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2644-13-0x0000000000220000-0x0000000000237000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/2644-3-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2644-13-0x0000000000220000-0x0000000000237000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/2644-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2644-3-0x0000000000220000-0x0000000000237000-memory.dmp	Gandcrab
behavioral1/memory/2644-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2644-13-0x0000000000220000-0x0000000000237000-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\xfcoogaypjw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\mcwsch.exe\""	2024-02-18_f0e4823a7b88786223899051345ea53d_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:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-18_f0e4823a7b88786223899051345ea53d_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\ProcessorNameString	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 1912	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	28
PID 2644 wrote to memory of 1912	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	28
PID 2644 wrote to memory of 1912	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	28
PID 2644 wrote to memory of 1912	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	28
PID 2644 wrote to memory of 2792	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	30
PID 2644 wrote to memory of 2792	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	30
PID 2644 wrote to memory of 2792	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	30
PID 2644 wrote to memory of 2792	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	30
PID 2644 wrote to memory of 2820	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	32
PID 2644 wrote to memory of 2820	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	32
PID 2644 wrote to memory of 2820	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	32
PID 2644 wrote to memory of 2820	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	32
PID 2644 wrote to memory of 2588	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	34
PID 2644 wrote to memory of 2588	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	34
PID 2644 wrote to memory of 2588	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	34
PID 2644 wrote to memory of 2588	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	34
PID 2644 wrote to memory of 3004	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	38
PID 2644 wrote to memory of 3004	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	38
PID 2644 wrote to memory of 3004	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	38
PID 2644 wrote to memory of 3004	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	38
PID 2644 wrote to memory of 568	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	40
PID 2644 wrote to memory of 568	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	40
PID 2644 wrote to memory of 568	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	40
PID 2644 wrote to memory of 568	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	40
PID 2644 wrote to memory of 1656	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	42
PID 2644 wrote to memory of 1656	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	42
PID 2644 wrote to memory of 1656	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	42
PID 2644 wrote to memory of 1656	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	42
PID 2644 wrote to memory of 2620	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	44
PID 2644 wrote to memory of 2620	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	44
PID 2644 wrote to memory of 2620	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	44
PID 2644 wrote to memory of 2620	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	44
PID 2644 wrote to memory of 1932	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	46
PID 2644 wrote to memory of 1932	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	46
PID 2644 wrote to memory of 1932	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	46
PID 2644 wrote to memory of 1932	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	46
PID 2644 wrote to memory of 1948	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	48
PID 2644 wrote to memory of 1948	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	48
PID 2644 wrote to memory of 1948	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	48
PID 2644 wrote to memory of 1948	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	48
PID 2644 wrote to memory of 2504	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	50
PID 2644 wrote to memory of 2504	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	50
PID 2644 wrote to memory of 2504	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	50
PID 2644 wrote to memory of 2504	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	50
PID 2644 wrote to memory of 1440	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	52
PID 2644 wrote to memory of 1440	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	52
PID 2644 wrote to memory of 1440	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	52
PID 2644 wrote to memory of 1440	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	52
PID 2644 wrote to memory of 1448	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	54
PID 2644 wrote to memory of 1448	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	54
PID 2644 wrote to memory of 1448	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	54
PID 2644 wrote to memory of 1448	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	54
PID 2644 wrote to memory of 1296	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	56
PID 2644 wrote to memory of 1296	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	56
PID 2644 wrote to memory of 1296	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	56
PID 2644 wrote to memory of 1296	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	56
PID 2644 wrote to memory of 2064	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	58
PID 2644 wrote to memory of 2064	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	58
PID 2644 wrote to memory of 2064	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	58
PID 2644 wrote to memory of 2064	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	58
PID 2644 wrote to memory of 2384	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	60
PID 2644 wrote to memory of 2384	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	60
PID 2644 wrote to memory of 2384	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	60
PID 2644 wrote to memory of 2384	2644	2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-18_f0e4823a7b88786223899051345ea53d_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_f0e4823a7b88786223899051345ea53d_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:2644
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1912
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2792
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2820
- 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:3004
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:568
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1656
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1948
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2504
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1440
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1448
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1296
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2064
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2384
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1708
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1468
- 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:1128
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:336
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2280

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/2644-1-0x000000000AAA0000-0x000000000ABA0000-memory.dmp

Filesize
1024KB

Download
memory/2644-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2644-3-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download
memory/2644-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2644-12-0x000000000AAA0000-0x000000000ABA0000-memory.dmp

Filesize
1024KB

Download
memory/2644-13-0x0000000000220000-0x0000000000237000-memory.dmp

Filesize
92KB

Download