gandcrab | 766affa87a5618a19012f4c68498d9861ac6e1ec09411d56e24ea754ce8000c3

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 21:31

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General

Target

2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
Size

308KB
MD5

6da7367370425c1541e0278adc4f2377
SHA1

0a008f0b5aff640271c0b35d8346767af77abaea
SHA256

766affa87a5618a19012f4c68498d9861ac6e1ec09411d56e24ea754ce8000c3
SHA512

b0379c830b3c9bc0fbd81bbb749b3ee1eb370185199fbe88047f0da1aff9082ffff5ba5efe4e53c3516fbb0cd8343d5cb94033ea1a5082fc03cc9eb72c502599
SSDEEP

6144:azL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:gDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/1796-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1796-3-0x00000000002B0000-0x00000000002C7000-memory.dmp	family_gandcrab
behavioral1/memory/1796-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1796-13-0x00000000002B0000-0x00000000002C7000-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/1796-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1796-3-0x00000000002B0000-0x00000000002C7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1796-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1796-13-0x00000000002B0000-0x00000000002C7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

resource	yara_rule
behavioral1/memory/1796-3-0x00000000002B0000-0x00000000002C7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1796-13-0x00000000002B0000-0x00000000002C7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1796-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1796-3-0x00000000002B0000-0x00000000002C7000-memory.dmp	Gandcrab
behavioral1/memory/1796-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1796-13-0x00000000002B0000-0x00000000002C7000-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\dcojuqzmjck = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\nwyala.exe\""	2024-02-21_6da7367370425c1541e0278adc4f2377_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)	\??\H:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-02-21_6da7367370425c1541e0278adc4f2377_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	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2052	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	28
PID 1796 wrote to memory of 2052	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	28
PID 1796 wrote to memory of 2052	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	28
PID 1796 wrote to memory of 2052	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	28
PID 1796 wrote to memory of 2724	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	30
PID 1796 wrote to memory of 2724	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	30
PID 1796 wrote to memory of 2724	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	30
PID 1796 wrote to memory of 2724	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	30
PID 1796 wrote to memory of 2744	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	32
PID 1796 wrote to memory of 2744	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	32
PID 1796 wrote to memory of 2744	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	32
PID 1796 wrote to memory of 2744	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	32
PID 1796 wrote to memory of 2472	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	34
PID 1796 wrote to memory of 2472	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	34
PID 1796 wrote to memory of 2472	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	34
PID 1796 wrote to memory of 2472	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	34
PID 1796 wrote to memory of 2444	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	36
PID 1796 wrote to memory of 2444	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	36
PID 1796 wrote to memory of 2444	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	36
PID 1796 wrote to memory of 2444	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	36
PID 1796 wrote to memory of 2620	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	38
PID 1796 wrote to memory of 2620	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	38
PID 1796 wrote to memory of 2620	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	38
PID 1796 wrote to memory of 2620	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	38
PID 1796 wrote to memory of 2360	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	40
PID 1796 wrote to memory of 2360	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	40
PID 1796 wrote to memory of 2360	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	40
PID 1796 wrote to memory of 2360	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	40
PID 1796 wrote to memory of 2548	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	42
PID 1796 wrote to memory of 2548	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	42
PID 1796 wrote to memory of 2548	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	42
PID 1796 wrote to memory of 2548	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	42
PID 1796 wrote to memory of 1292	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	46
PID 1796 wrote to memory of 1292	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	46
PID 1796 wrote to memory of 1292	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	46
PID 1796 wrote to memory of 1292	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	46
PID 1796 wrote to memory of 1984	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	48
PID 1796 wrote to memory of 1984	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	48
PID 1796 wrote to memory of 1984	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	48
PID 1796 wrote to memory of 1984	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	48
PID 1796 wrote to memory of 2216	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	50
PID 1796 wrote to memory of 2216	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	50
PID 1796 wrote to memory of 2216	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	50
PID 1796 wrote to memory of 2216	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	50
PID 1796 wrote to memory of 2204	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	52
PID 1796 wrote to memory of 2204	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	52
PID 1796 wrote to memory of 2204	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	52
PID 1796 wrote to memory of 2204	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	52
PID 1796 wrote to memory of 1576	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	54
PID 1796 wrote to memory of 1576	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	54
PID 1796 wrote to memory of 1576	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	54
PID 1796 wrote to memory of 1576	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	54
PID 1796 wrote to memory of 2260	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	56
PID 1796 wrote to memory of 2260	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	56
PID 1796 wrote to memory of 2260	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	56
PID 1796 wrote to memory of 2260	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	56
PID 1796 wrote to memory of 2732	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	58
PID 1796 wrote to memory of 2732	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	58
PID 1796 wrote to memory of 2732	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	58
PID 1796 wrote to memory of 2732	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	58
PID 1796 wrote to memory of 1920	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	60
PID 1796 wrote to memory of 1920	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	60
PID 1796 wrote to memory of 1920	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	60
PID 1796 wrote to memory of 1920	1796	2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe	60

C:\Users\Admin\AppData\Local\Temp\2024-02-21_6da7367370425c1541e0278adc4f2377_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_6da7367370425c1541e0278adc4f2377_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:1796
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2052
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2724
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2744
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:2444
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2360
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2548
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1292
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1984
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2216
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2204
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1576
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:2260
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:2732
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:1920
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1488
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:3012
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:452
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns1.wowservers.ru
  2⤵
  PID:2368
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns1.wowservers.ru
  2⤵
  PID:1348
- C:\Windows\SysWOW64\nslookup.exe
  nslookup ransomware.bit ns2.wowservers.ru
  2⤵
  PID:1308
- C:\Windows\SysWOW64\nslookup.exe
  nslookup carder.bit ns2.wowservers.ru
  2⤵
  PID:1256

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/1796-1-0x000000000AA30000-0x000000000AB30000-memory.dmp

Filesize
1024KB

Download
memory/1796-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1796-3-0x00000000002B0000-0x00000000002C7000-memory.dmp

Filesize
92KB

Download
memory/1796-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1796-12-0x000000000AA30000-0x000000000AB30000-memory.dmp

Filesize
1024KB

Download
memory/1796-13-0x00000000002B0000-0x00000000002C7000-memory.dmp

Filesize
92KB

Download