0f3f0c346b43adf09864cafd1f5b22da22670335ec08cc65a5d41085fbbf9614

General

Target

2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
Size

83KB
MD5

1a9e3e6fecb6d989dba8a845c7c207b3
SHA1

e493669e013a37eb294e4e2f95f99eb83f1586a3
SHA256

0f3f0c346b43adf09864cafd1f5b22da22670335ec08cc65a5d41085fbbf9614
SHA512

6af58ab8e44e359436d1312525fc8639c6a8f3ba6789c18e429f6b0207de53aa5de17ac96d98d89f99fd547aba420f10458d941f35c2bffa1d45cc87cd2b3bd0
SSDEEP

1536:Q55u555555555pmgSeGDjtQhnwmmB0ybMqqU+2bbbAV2/S2mr3IdE8mne0Avu5r5:iMSjOnrmBTMqqDL2/mr3IdE8we0Avu5l

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\umgnogkbdab = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe"	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_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)	\??\V:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\B:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\J:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\L:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\P:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\Q:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\T:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\U:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\Z:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\E:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\N:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\R:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\X:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\Y:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\H:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\O:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\A:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\G:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\I:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\K:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\M:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\S:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
File opened (read-only)	\??\W:	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_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	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_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	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 3544	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	84
PID 4204 wrote to memory of 3544	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	84
PID 4204 wrote to memory of 3544	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	84
PID 4204 wrote to memory of 744	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	90
PID 4204 wrote to memory of 744	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	90
PID 4204 wrote to memory of 744	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	90
PID 4204 wrote to memory of 3120	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	95
PID 4204 wrote to memory of 3120	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	95
PID 4204 wrote to memory of 3120	4204	2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe	95

C:\Users\Admin\AppData\Local\Temp\2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_gandcrab.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-10_1a9e3e6fecb6d989dba8a845c7c207b3_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:4204
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3544
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:744
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3120
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:1176
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:2192
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3524
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:4352
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:3460
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:3140
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:752
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:4956
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:4928
- C:\Windows\SysWOW64\nslookup.exe
  nslookup nomoreransom.bit dns1.soprodns.ru
  2⤵
  PID:2332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup emsisoft.bit dns1.soprodns.ru
  2⤵
  PID:552
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gandcrab.bit dns1.soprodns.ru
  2⤵
  PID:1056