gandcrab | 00b7eb97bd118410b6334fedaa547bc85563f09ade1ef2e4f8b01cbf448eec66

General

Target

2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
Size

258KB
MD5

28eb496125bc532c334ced80e250959a
SHA1

dcce7ba6385e1af582749aa70833bfafc038bf34
SHA256

00b7eb97bd118410b6334fedaa547bc85563f09ade1ef2e4f8b01cbf448eec66
SHA512

d9bd8d53e59bc89a456c5886ffec734cc821128d58a98ae48f06946da4b3afbf3232cd43861ac43936cd737e04ce970c7071edb662e211e57bef5de87678c89d
SSDEEP

6144:5m1G8FVA6aJ/Ruvqdo1NGKXmhYvWVQMBCXaFhWzAJC:+FG6aJ/Qcu8Ykv2aFhUP

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2340-5-0x0000000000400000-0x0000000000446000-memory.dmp	family_gandcrab
behavioral1/memory/2340-6-0x0000000000300000-0x0000000000317000-memory.dmp	family_gandcrab
behavioral1/memory/2340-13-0x0000000000400000-0x0000000000446000-memory.dmp	family_gandcrab
behavioral1/memory/2340-16-0x0000000000300000-0x0000000000317000-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/2340-5-0x0000000000400000-0x0000000000446000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2340-6-0x0000000000300000-0x0000000000317000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2340-13-0x0000000000400000-0x0000000000446000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2340-16-0x0000000000300000-0x0000000000317000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2340-5-0x0000000000400000-0x0000000000446000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2340-6-0x0000000000300000-0x0000000000317000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2340-13-0x0000000000400000-0x0000000000446000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2340-16-0x0000000000300000-0x0000000000317000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2340-5-0x0000000000400000-0x0000000000446000-memory.dmp	Gandcrab
behavioral1/memory/2340-6-0x0000000000300000-0x0000000000317000-memory.dmp	Gandcrab
behavioral1/memory/2340-13-0x0000000000400000-0x0000000000446000-memory.dmp	Gandcrab
behavioral1/memory/2340-16-0x0000000000300000-0x0000000000317000-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:

2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\dpxnmrfbyfo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\txbjdg.exe\""	2024-04-01_28eb496125bc532c334ced80e250959a_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:

2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\B:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-01_28eb496125bc532c334ced80e250959a_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:

2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe

pid process

2340 2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
2340 2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe

pid	process
2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe

description	pid	process	target process
PID 2340 wrote to memory of 2148	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2148	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2148	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2148	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2576	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2576	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2576	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2576	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2672	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2672	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2672	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2672	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2776	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2776	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2776	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2776	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2424	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2424	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2424	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2424	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2960	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2960	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2960	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2960	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2000	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2000	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2000	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2000	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1032	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1032	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1032	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1032	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1632	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1632	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1632	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1632	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1424	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1424	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1424	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1424	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2720	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2720	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2720	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2720	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 756	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 756	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 756	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 756	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2044	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2044	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2044	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2044	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2080	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2080	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2080	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2080	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2164	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2164	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2164	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 2164	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1936	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1936	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1936	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe
PID 2340 wrote to memory of 1936	2340	2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-01_28eb496125bc532c334ced80e250959a_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-01_28eb496125bc532c334ced80e250959a_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:2340

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2148

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2576

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2672

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2776

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2424

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2960

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2000

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1032

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1632

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1424

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2720

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:756

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2044

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2080

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2164

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1936

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:240

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2132

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1152

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2004

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1028

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1248

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:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2340-0-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2340-4-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2340-3-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2340-5-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2340-6-0x0000000000300000-0x0000000000317000-memory.dmp

Filesize
92KB

Download
memory/2340-13-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2340-15-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/2340-16-0x0000000000300000-0x0000000000317000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads