gandcrab | 49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-12-2024 19:56

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General

Target

49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
Size

240KB
MD5

60076dc337995def891fc6dc1afe25c0
SHA1

f2214e828ae4a61f1986516b5e46fde87f875fb6
SHA256

49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3
SHA512

b959d5530748073a863cb5f92ceefdd43ecb7032dd100e52ebfdf98acc727e1dd7aea01debf5579aa6b2b5c9b1b79974bc2b3898e1dbe5afc88e5fd57c89554b
SSDEEP

3072:YYHVHd2NwMqqDL2/mr3IdE8we0Avu5r++ygLIaa4jRv9OtNZpHkc:YycqqDL6oREzZpEc

Score

10^/10

gandcrab backdoor discovery persistence ransomware upx

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral1/memory/1472-0-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab
behavioral1/memory/1472-4-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab
Gandcrab family
gandcrab

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\aumbroonabq = "C:\\Users\\Admin\\AppData\\Local\\Temp\\49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe"	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.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

description	ioc	Process
File opened (read-only)	\??\R:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\T:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\U:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\V:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\W:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\X:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\G:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\H:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\P:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\M:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\O:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\Y:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\I:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\K:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\E:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\J:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\L:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\N:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\Q:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\S:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\A:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\B:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\Z:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1472-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral1/memory/1472-4-0x0000000000400000-0x000000000043C000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nslookup.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 2092	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	32
PID 1472 wrote to memory of 2092	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	32
PID 1472 wrote to memory of 2092	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	32
PID 1472 wrote to memory of 2092	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	32
PID 1472 wrote to memory of 2932	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	34
PID 1472 wrote to memory of 2932	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	34
PID 1472 wrote to memory of 2932	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	34
PID 1472 wrote to memory of 2932	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	34
PID 1472 wrote to memory of 2800	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	36
PID 1472 wrote to memory of 2800	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	36
PID 1472 wrote to memory of 2800	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	36
PID 1472 wrote to memory of 2800	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	36
PID 1472 wrote to memory of 2364	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	38
PID 1472 wrote to memory of 2364	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	38
PID 1472 wrote to memory of 2364	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	38
PID 1472 wrote to memory of 2364	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	38
PID 1472 wrote to memory of 2700	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	40
PID 1472 wrote to memory of 2700	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	40
PID 1472 wrote to memory of 2700	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	40
PID 1472 wrote to memory of 2700	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	40
PID 1472 wrote to memory of 440	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	42
PID 1472 wrote to memory of 440	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	42
PID 1472 wrote to memory of 440	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	42
PID 1472 wrote to memory of 440	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	42
PID 1472 wrote to memory of 3068	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	44
PID 1472 wrote to memory of 3068	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	44
PID 1472 wrote to memory of 3068	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	44
PID 1472 wrote to memory of 3068	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	44
PID 1472 wrote to memory of 2372	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	47
PID 1472 wrote to memory of 2372	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	47
PID 1472 wrote to memory of 2372	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	47
PID 1472 wrote to memory of 2372	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	47
PID 1472 wrote to memory of 284	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	49
PID 1472 wrote to memory of 284	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	49
PID 1472 wrote to memory of 284	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	49
PID 1472 wrote to memory of 284	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	49
PID 1472 wrote to memory of 1620	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	51
PID 1472 wrote to memory of 1620	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	51
PID 1472 wrote to memory of 1620	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	51
PID 1472 wrote to memory of 1620	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	51
PID 1472 wrote to memory of 1084	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	53
PID 1472 wrote to memory of 1084	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	53
PID 1472 wrote to memory of 1084	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	53
PID 1472 wrote to memory of 1084	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	53
PID 1472 wrote to memory of 2264	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	55
PID 1472 wrote to memory of 2264	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	55
PID 1472 wrote to memory of 2264	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	55
PID 1472 wrote to memory of 2264	1472	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	55

C:\Users\Admin\AppData\Local\Temp\49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
"C:\Users\Admin\AppData\Local\Temp\49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2092
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:440
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2372
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:284
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1620
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1084
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1472-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1472-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download