gandcrab | 6c81c653d7ace659de8f5ef55aa0046f38fcf1c9e21b1ba17ea5a6fe0028a2ae

Analysis

max time kernel
140s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-10-2024 03:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
Size

145KB
MD5

5c10d889e504323f3f59cbd5392aa04d
SHA1

aa6b038eee3686a64c0ebf832c7b88bd2f77c580
SHA256

6c81c653d7ace659de8f5ef55aa0046f38fcf1c9e21b1ba17ea5a6fe0028a2ae
SHA512

414b38b58c43a1bf9707b74fbb01cd4777baf906384e5d3275682c7a5c3eecc2a304aae832eb0003b361d93eb10c3e81bbb59d413e3a58c0f3a21228beef864f
SSDEEP

3072:bYHVHd2NCMqqDL2/mr3IdE8we0Avu5r++ygLIaagvdCjRv9OtN:byOqqDL64vdGREz

Score

10^/10

gandcrab backdoor discovery persistence ransomware

Malware Config

Signatures

GandCrab payload 2 IoCs

resource	yara_rule
behavioral2/memory/4408-0-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab
behavioral2/memory/4408-4-0x0000000000400000-0x0000000000428000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor 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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\qokiqnhplku = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe"	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.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)	\??\K:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\Q:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\T:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\U:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\A:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\H:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\J:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\R:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\Z:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\E:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\L:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\P:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\O:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\V:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\G:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\M:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\N:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\W:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\X:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\Y:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\B:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\I:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
File opened (read-only)	\??\S:	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe

System Location Discovery: System Language Discovery 1 TTPs 15 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	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.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	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 1564	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	86
PID 4408 wrote to memory of 1564	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	86
PID 4408 wrote to memory of 1564	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	86
PID 4408 wrote to memory of 1132	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	88
PID 4408 wrote to memory of 1132	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	88
PID 4408 wrote to memory of 1132	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	88
PID 4408 wrote to memory of 3668	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	90
PID 4408 wrote to memory of 3668	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	90
PID 4408 wrote to memory of 3668	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	90
PID 4408 wrote to memory of 2096	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	94
PID 4408 wrote to memory of 2096	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	94
PID 4408 wrote to memory of 2096	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	94
PID 4408 wrote to memory of 4224	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	97
PID 4408 wrote to memory of 4224	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	97
PID 4408 wrote to memory of 4224	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	97
PID 4408 wrote to memory of 3576	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	99
PID 4408 wrote to memory of 3576	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	99
PID 4408 wrote to memory of 3576	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	99
PID 4408 wrote to memory of 2248	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	101
PID 4408 wrote to memory of 2248	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	101
PID 4408 wrote to memory of 2248	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	101
PID 4408 wrote to memory of 1572	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	103
PID 4408 wrote to memory of 1572	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	103
PID 4408 wrote to memory of 1572	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	103
PID 4408 wrote to memory of 4288	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	105
PID 4408 wrote to memory of 4288	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	105
PID 4408 wrote to memory of 4288	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	105
PID 4408 wrote to memory of 5036	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	107
PID 4408 wrote to memory of 5036	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	107
PID 4408 wrote to memory of 5036	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	107
PID 4408 wrote to memory of 1644	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	109
PID 4408 wrote to memory of 1644	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	109
PID 4408 wrote to memory of 1644	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	109
PID 4408 wrote to memory of 2716	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	111
PID 4408 wrote to memory of 2716	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	111
PID 4408 wrote to memory of 2716	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	111
PID 4408 wrote to memory of 3120	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	113
PID 4408 wrote to memory of 3120	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	113
PID 4408 wrote to memory of 3120	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	113
PID 4408 wrote to memory of 5008	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	115
PID 4408 wrote to memory of 5008	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	115
PID 4408 wrote to memory of 5008	4408	2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe	115

C:\Users\Admin\AppData\Local\Temp\2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_5c10d889e504323f3f59cbd5392aa04d_gandcrab.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:4408
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1564
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1132
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3668
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2096
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4224
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3576
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1572
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4288
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5036
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1644
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3120
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5008

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/4408-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4408-4-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download