gandcrab | ac3d5b987b451b1ef67230ef61ce4cb6defa369acde7a2972d0b35ce0bd14767

General

Target

2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
Size

308KB
MD5

da65464415d856c30de166b10176ccbc
SHA1

8885eaf1065ff7b679220272dcce7df081c70db0
SHA256

ac3d5b987b451b1ef67230ef61ce4cb6defa369acde7a2972d0b35ce0bd14767
SHA512

560f4280cadf4a88d8c4ae2ebb7731ec532e58c7ca3488ce5b4fa78ec3bdc3336b4ef4ce1bb3dbac9cc4bd22d5f33813b1a802ff703fcdec72e40359764cf668
SSDEEP

6144:SzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:YDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2784-3-0x000000000C0E0000-0x000000000C0F7000-memory.dmp	family_gandcrab
behavioral1/memory/2784-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2784-13-0x000000000C0E0000-0x000000000C0F7000-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

Processes:

resource	yara_rule
behavioral1/memory/2784-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2784-3-0x000000000C0E0000-0x000000000C0F7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2784-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2784-13-0x000000000C0E0000-0x000000000C0F7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-3-0x000000000C0E0000-0x000000000C0F7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2784-13-0x000000000C0E0000-0x000000000C0F7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2784-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2784-3-0x000000000C0E0000-0x000000000C0F7000-memory.dmp	Gandcrab
behavioral1/memory/2784-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2784-13-0x000000000C0E0000-0x000000000C0F7000-memory.dmp	Gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\rclmbyzkkbk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\qsxbft.exe\""	2024-03-29_da65464415d856c30de166b10176ccbc_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

Processes:

2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\H:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-29_da65464415d856c30de166b10176ccbc_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

Processes:

2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe

pid process

2784 2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
2784 2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe

pid	process
2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe

description	pid	process	target process
PID 2784 wrote to memory of 2932	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2932	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2932	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2932	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2728	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2728	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2728	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2728	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2740	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2740	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2740	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2740	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2772	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2772	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2772	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2772	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2436	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2436	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2436	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2436	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2864	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2864	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2864	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2864	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2880	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2880	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2880	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2880	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1972	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1972	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1972	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1972	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1040	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1040	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1040	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1040	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1252	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1252	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1252	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1252	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1932	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1932	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1932	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 1932	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 876	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 876	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 876	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 876	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 868	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 868	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 868	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 868	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2312	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2312	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2312	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2312	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2824	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2824	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2824	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 2824	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 596	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 596	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 596	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe
PID 2784 wrote to memory of 596	2784	2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-29_da65464415d856c30de166b10176ccbc_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_da65464415d856c30de166b10176ccbc_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:2784

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2932

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2728

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2740

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2772

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2436

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2864

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2880

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1972

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1040

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1252

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1932

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:876

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:868

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2312

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2824

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:596

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:840

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2044

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:3032

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1964

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1728

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:960

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2780

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2784-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2784-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2784-3-0x000000000C0E0000-0x000000000C0F7000-memory.dmp

Filesize
92KB

Download
memory/2784-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2784-12-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2784-13-0x000000000C0E0000-0x000000000C0F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads