gandcrab | 5a8862346a024a40799ca8abab7ef2e9e89f192e75bdb62ef8c497d47314fda6

General

Target

2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
Size

308KB
MD5

777b0a4abd794a6f48d7fc83f392150a
SHA1

766f37c61e4b4fde429d5c01aa041d00ea2e9ff0
SHA256

5a8862346a024a40799ca8abab7ef2e9e89f192e75bdb62ef8c497d47314fda6
SHA512

2fd6946e8da3c277a5676bc47480dd382d0582bd4be76bb02bd4a21eaaf575a7821d1dba09e6863a8ee20005999dc81e312afa8de5166d32c246773a823eb089
SSDEEP

6144:2zL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:0DHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/624-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/624-3-0x0000000000300000-0x0000000000317000-memory.dmp	family_gandcrab
behavioral1/memory/624-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/624-13-0x0000000000300000-0x0000000000317000-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/624-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/624-3-0x0000000000300000-0x0000000000317000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/624-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/624-13-0x0000000000300000-0x0000000000317000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/624-3-0x0000000000300000-0x0000000000317000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/624-13-0x0000000000300000-0x0000000000317000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/624-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/624-3-0x0000000000300000-0x0000000000317000-memory.dmp	Gandcrab
behavioral1/memory/624-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/624-13-0x0000000000300000-0x0000000000317000-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:

2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\nkylcvcmexu = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\dawfee.exe\""	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_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:

2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\A:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_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:

2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe

pid process

624 2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
624 2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe

pid	process
624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe

description	pid	process	target process
PID 624 wrote to memory of 1680	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1680	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1680	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1680	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2660	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2660	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2660	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2660	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2600	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2600	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2600	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2600	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2480	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2480	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2480	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2480	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2680	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2680	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2680	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2680	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2528	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2528	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2528	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2528	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2932	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2932	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2932	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2932	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2180	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2180	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2180	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2180	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1188	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1188	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1188	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1188	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2912	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2912	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2912	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2912	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2944	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2944	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2944	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2944	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1776	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1776	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1776	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 1776	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 936	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 936	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 936	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 936	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2136	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2136	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2136	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 2136	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 268	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 268	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 268	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 268	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 580	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 580	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 580	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe
PID 624 wrote to memory of 580	624	2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-17_777b0a4abd794a6f48d7fc83f392150a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-17_777b0a4abd794a6f48d7fc83f392150a_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:624

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1680

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2660

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2600

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2480

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2680

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2528

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2932

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2180

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1188

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2912

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2944

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1776

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:936

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2136

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:268

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:580

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1424

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2904

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:868

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1616

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:3012

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:792

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

Loading Replay Monitor...

Downloads

memory/624-1-0x000000000AA80000-0x000000000AB80000-memory.dmp

Filesize
1024KB

Download
memory/624-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/624-3-0x0000000000300000-0x0000000000317000-memory.dmp

Filesize
92KB

Download
memory/624-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/624-12-0x000000000AA80000-0x000000000AB80000-memory.dmp

Filesize
1024KB

Download
memory/624-13-0x0000000000300000-0x0000000000317000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads