gandcrab | 47e6b96d0881009fc0096381c8c14c89feb45c464b868a950dfba4aa7c7fc51a

General

Target

2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
Size

308KB
MD5

b65e6374b214a46617630578493f695b
SHA1

779e99668cf797b7c42a078eee1babb2bdf742a4
SHA256

47e6b96d0881009fc0096381c8c14c89feb45c464b868a950dfba4aa7c7fc51a
SHA512

3e7cee5a5b7987db50933a61974382ba893a8e18d2c1989e1d01ec4213e18ffc3dd7acfb267492ad1a4d477e8a5cb30c9078eff870ff188174bf9d7f625f0992
SSDEEP

6144:nzL7ShWDLVzVNam6GxI29dqG3KdYAYqTuPZp:9DHNam62ZdKmZmuPH

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1396-2-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1396-3-0x00000000003E0000-0x00000000003F7000-memory.dmp	family_gandcrab
behavioral1/memory/1396-10-0x0000000000400000-0x0000000001400000-memory.dmp	family_gandcrab
behavioral1/memory/1396-13-0x00000000003E0000-0x00000000003F7000-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/1396-2-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1396-3-0x00000000003E0000-0x00000000003F7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1396-10-0x0000000000400000-0x0000000001400000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader
behavioral1/memory/1396-13-0x00000000003E0000-0x00000000003F7000-memory.dmp	INDICATOR_SUSPICIOUS_ReflectiveLoader

Detects ransomware indicator 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1396-3-0x00000000003E0000-0x00000000003F7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20
behavioral1/memory/1396-13-0x00000000003E0000-0x00000000003F7000-memory.dmp	SUSP_RANSOMWARE_Indicator_Jul20

Gandcrab Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1396-2-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1396-3-0x00000000003E0000-0x00000000003F7000-memory.dmp	Gandcrab
behavioral1/memory/1396-10-0x0000000000400000-0x0000000001400000-memory.dmp	Gandcrab
behavioral1/memory/1396-13-0x00000000003E0000-0x00000000003F7000-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_b65e6374b214a46617630578493f695b_karagany_mafia.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\inouuvwvzcs = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\dcyydy.exe\""	2024-03-29_b65e6374b214a46617630578493f695b_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_b65e6374b214a46617630578493f695b_karagany_mafia.exe

description	ioc	process
File opened (read-only)	\??\B:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\E:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\L:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\Y:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\G:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\U:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\V:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\W:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\X:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\A:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\H:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\N:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\O:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\Q:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\R:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\S:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\I:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\J:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\K:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\M:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\P:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\T:	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
File opened (read-only)	\??\Z:	2024-03-29_b65e6374b214a46617630578493f695b_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_b65e6374b214a46617630578493f695b_karagany_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe

pid process

1396 2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
1396 2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe

pid	process
1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe

description	pid	process	target process
PID 1396 wrote to memory of 2672	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2672	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2672	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2672	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2680	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2680	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2680	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2680	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2464	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2464	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2464	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2464	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2552	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2552	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2552	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2552	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2512	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2512	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2512	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2512	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2228	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2228	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2228	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2228	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2936	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2936	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2936	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2936	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1952	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1952	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1952	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1952	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1328	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1328	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1328	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1328	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1064	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1064	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1064	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1064	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2884	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2884	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2884	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2884	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1364	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1364	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1364	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 1364	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 368	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 368	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 368	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 368	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 792	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 792	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 792	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 792	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2476	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2476	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2476	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2476	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2992	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2992	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2992	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe
PID 1396 wrote to memory of 2992	1396	2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe	nslookup.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-29_b65e6374b214a46617630578493f695b_karagany_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_b65e6374b214a46617630578493f695b_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:1396

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2672

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2680

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2464

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2552

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2512

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2228

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2936

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1952

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:1328

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:1064

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2884

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1364

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:368

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

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2476

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:2992

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:2120

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:2340

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns2.wowservers.ru
2⤵
PID:2788

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns1.wowservers.ru
2⤵
PID:1072

C:\Windows\SysWOW64\nslookup.exe
nslookup carder.bit ns1.wowservers.ru
2⤵
PID:980

C:\Windows\SysWOW64\nslookup.exe
nslookup ransomware.bit ns2.wowservers.ru
2⤵
PID:904

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/1396-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/1396-2-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1396-3-0x00000000003E0000-0x00000000003F7000-memory.dmp

Filesize
92KB

Download
memory/1396-10-0x0000000000400000-0x0000000001400000-memory.dmp

Filesize
16.0MB

Download
memory/1396-12-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/1396-13-0x00000000003E0000-0x00000000003F7000-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