gandcrab | c78888a85fb179ff2bbd133efb1b106b6341f404f6b97b8cd4d50af334e1486b

General

Target

2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
Size

326KB
MD5

0b07f15d3e34983a1fa0513b754c7cb9
SHA1

8dfc38439f5e8053224799da4947cebe7ed2f248
SHA256

c78888a85fb179ff2bbd133efb1b106b6341f404f6b97b8cd4d50af334e1486b
SHA512

ac3d817ac5f0097cebf8cc6c7765d72e6d122366f462b74006a3592112fa7a6c4a675608fd7d923f260e33d40181c2cea725fa28c0b292f6d2ab08c1c4f54eda
SSDEEP

3072:v+V2GtCb0nDlGTM87yRBNWwxnImfoP/KOBejjY6IaCDtm0zT5363kQ8JuW:vB/moTXkLHgPitjYVmq+a

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1300-4-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1300-5-0x0000000000260000-0x0000000000277000-memory.dmp	family_gandcrab
behavioral1/memory/1300-12-0x0000000000400000-0x00000000012D6000-memory.dmp	family_gandcrab
behavioral1/memory/1300-15-0x0000000000260000-0x0000000000277000-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/1300-4-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1300-5-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1300-12-0x0000000000400000-0x00000000012D6000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1300-15-0x0000000000260000-0x0000000000277000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1300-5-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1300-15-0x0000000000260000-0x0000000000277000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1300-4-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1300-5-0x0000000000260000-0x0000000000277000-memory.dmp	Gandcrab
behavioral1/memory/1300-12-0x0000000000400000-0x00000000012D6000-memory.dmp	Gandcrab
behavioral1/memory/1300-15-0x0000000000260000-0x0000000000277000-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_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\xwzxhpsqniv = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\cxuvyv.exe\""	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_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_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\U:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\B:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_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_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe

pid process

1300 2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
1300 2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe

pid	process
1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe

description	pid	process	target process
PID 1300 wrote to memory of 2920	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2920	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2920	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2920	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2568	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2568	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2568	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2568	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2588	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2588	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2588	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2588	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2384	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2384	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2384	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2384	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2856	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2856	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2856	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2856	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1500	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1500	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1500	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1500	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 276	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 276	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 276	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 276	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1380	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1380	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1380	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1380	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1988	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1988	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1988	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1988	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1048	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1048	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1048	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1048	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 812	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 812	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 812	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 812	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2828	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2828	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2828	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2828	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2076	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2076	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2076	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2076	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2072	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2072	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2072	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2072	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2928	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2928	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2928	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 2928	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1708	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1708	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1708	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe
PID 1300 wrote to memory of 1708	1300	2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-23_0b07f15d3e34983a1fa0513b754c7cb9_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:1300

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2920

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2568

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2588

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2384

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2856

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1500

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:276

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1380

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1988

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1048

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:812

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2828

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2076

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2072

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2928

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1708

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:856

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

Loading Replay Monitor...

Downloads

memory/1300-1-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1300-2-0x00000000013B0000-0x00000000014B0000-memory.dmp

Filesize
1024KB

Download
memory/1300-3-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1300-4-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1300-5-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download
memory/1300-12-0x0000000000400000-0x00000000012D6000-memory.dmp

Filesize
14.8MB

Download
memory/1300-13-0x00000000013B0000-0x00000000014B0000-memory.dmp

Filesize
1024KB

Download
memory/1300-15-0x0000000000260000-0x0000000000277000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads