gandcrab | 49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3

Analysis

max time kernel
117s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 19:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
behavioral2/memory/1172-0-0x0000000000400000-0x000000000043C000-memory.dmp	family_gandcrab
behavioral2/memory/1172-4-0x0000000000400000-0x000000000043C000-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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\frucbpxnsts = "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)	\??\A:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\G:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\I:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\Y:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\Z:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\T:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\B:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\J:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\K:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\M:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\N:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\Q:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\R:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\U:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\X:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\L:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\O:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\P:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\V:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\E:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\H:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\S:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
File opened (read-only)	\??\W:	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1172-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral2/memory/1172-4-0x0000000000400000-0x000000000043C000-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	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
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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe
1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 3716	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	82
PID 1172 wrote to memory of 3716	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	82
PID 1172 wrote to memory of 3716	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	82
PID 1172 wrote to memory of 4488	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	91
PID 1172 wrote to memory of 4488	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	91
PID 1172 wrote to memory of 4488	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	91
PID 1172 wrote to memory of 2780	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	93
PID 1172 wrote to memory of 2780	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	93
PID 1172 wrote to memory of 2780	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	93
PID 1172 wrote to memory of 3144	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	97
PID 1172 wrote to memory of 3144	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	97
PID 1172 wrote to memory of 3144	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	97
PID 1172 wrote to memory of 232	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	99
PID 1172 wrote to memory of 232	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	99
PID 1172 wrote to memory of 232	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	99
PID 1172 wrote to memory of 456	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	101
PID 1172 wrote to memory of 456	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	101
PID 1172 wrote to memory of 456	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	101
PID 1172 wrote to memory of 3112	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	103
PID 1172 wrote to memory of 3112	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	103
PID 1172 wrote to memory of 3112	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	103
PID 1172 wrote to memory of 3916	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	105
PID 1172 wrote to memory of 3916	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	105
PID 1172 wrote to memory of 3916	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	105
PID 1172 wrote to memory of 4072	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	107
PID 1172 wrote to memory of 4072	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	107
PID 1172 wrote to memory of 4072	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	107
PID 1172 wrote to memory of 2220	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	109
PID 1172 wrote to memory of 2220	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	109
PID 1172 wrote to memory of 2220	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	109
PID 1172 wrote to memory of 3352	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	111
PID 1172 wrote to memory of 3352	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	111
PID 1172 wrote to memory of 3352	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	111
PID 1172 wrote to memory of 4372	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	113
PID 1172 wrote to memory of 4372	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	113
PID 1172 wrote to memory of 4372	1172	49c6a89f4e17a59c3c8b9a565882ddbb2c74e87b797b5721fe598947d7a708b3N.exe	113

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:1172
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3716
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4488
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3144
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:232
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:456
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3112
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3916
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4072
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2220
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4372

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/1172-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1172-4-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download