gandcrab | 86a98367b727a1d3961531e4c92bf46a830df1e5c19341513706c32ceda53f5b

General

Target

2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
Size

308KB
MD5

5aab828c99237043f247bb6118b40ce0
SHA1

c4edb177e288289d686886b86b62f6c9eae674fd
SHA256

86a98367b727a1d3961531e4c92bf46a830df1e5c19341513706c32ceda53f5b
SHA512

98528fe9253d7003cf40e1b713ccbb8816d1629e337ca0b3a3f9d9f9b74c93a70db9e5631202e58d51e8a0dda6ef7fe9048d682236c2826a8d77b71458877468
SSDEEP

6144:OzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:MDHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2968-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2968-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	family_gandcrab
behavioral1/memory/2968-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/2968-13-0x00000000003A0000-0x00000000003B7000-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/2968-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2968-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2968-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/2968-13-0x00000000003A0000-0x00000000003B7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2968-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/2968-13-0x00000000003A0000-0x00000000003B7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2968-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2968-3-0x00000000003A0000-0x00000000003B7000-memory.dmp	Gandcrab
behavioral1/memory/2968-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/2968-13-0x00000000003A0000-0x00000000003B7000-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:

2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\lvmaeffftex = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\wbipuj.exe\""	2024-04-23_5aab828c99237043f247bb6118b40ce0_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:

2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\Z:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-23_5aab828c99237043f247bb6118b40ce0_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:

2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe

pid process

2968 2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
2968 2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe

pid	process
2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe

description	pid	process	target process
PID 2968 wrote to memory of 1736	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1736	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1736	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1736	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2700	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2700	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2700	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2700	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2628	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2628	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2628	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2628	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2684	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2684	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2684	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2684	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2480	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2480	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2480	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2480	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2852	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2852	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2852	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2852	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1096	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1096	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1096	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1096	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1904	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1904	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1904	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1904	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2808	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2808	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2808	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2808	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 3000	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 3000	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 3000	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 3000	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 828	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 828	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 828	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 828	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1768	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1768	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1768	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1768	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2256	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2256	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2256	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2256	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2384	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2384	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2384	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 2384	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 384	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 384	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 384	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 384	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1488	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1488	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1488	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe
PID 2968 wrote to memory of 1488	2968	2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_5aab828c99237043f247bb6118b40ce0_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_5aab828c99237043f247bb6118b40ce0_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:2968

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1736

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2700

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2628

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2684

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

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2852

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:1096

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1904

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2808

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:3000

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:828

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1768

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2256

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2384

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:384

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1488

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1916

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:852

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2192

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1572

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:376

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2016

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

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1912

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/2968-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2968-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2968-3-0x00000000003A0000-0x00000000003B7000-memory.dmp

Filesize
92KB

Download
memory/2968-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/2968-12-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2968-13-0x00000000003A0000-0x00000000003B7000-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