4df689d638efab4c3363c6fe0439d35d462238faf3515e3153bd09f04142989b

General

Target

2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
Size

73KB
MD5

ec78f59b804d908df1cee0ce7d5861dc
SHA1

3e1000b5763b0f560e8254c6fedcd0aeb8ec0c48
SHA256

4df689d638efab4c3363c6fe0439d35d462238faf3515e3153bd09f04142989b
SHA512

421483d863f7aabe68870340180683fe5f1bf6bb533eb99e22ea6ab764d9ec7c2c4736fc28813be6396de1bba950503058ab3473ea267a50eba57841b78d32ca
SSDEEP

1536:655u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5rJ:gMSjOnrmBTMqqDL2/mr3IdE8we0Avu5h

Score

6^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\ltqcaznzcuk = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe"	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_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)	\??\E:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\H:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\J:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\K:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\M:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\Z:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\A:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\I:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\L:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\O:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\R:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\V:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\W:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\G:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\S:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\T:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\P:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\N:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\Q:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\U:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\X:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\Y:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
File opened (read-only)	\??\B:	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_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

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	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 3520	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	83
PID 1100 wrote to memory of 3520	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	83
PID 1100 wrote to memory of 3520	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	83
PID 1100 wrote to memory of 1936	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	94
PID 1100 wrote to memory of 1936	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	94
PID 1100 wrote to memory of 1936	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	94
PID 1100 wrote to memory of 1452	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	102
PID 1100 wrote to memory of 1452	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	102
PID 1100 wrote to memory of 1452	1100	2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe	102

C:\Users\Admin\AppData\Local\Temp\2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-17_ec78f59b804d908df1cee0ce7d5861dc_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:1100
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3520
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1936
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1452
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2912
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4044
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1792
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1264
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1124
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4188
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:5008
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:1608
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1444
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1916
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:5032
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3584