lgoogloader | fc4f03fc4b6d9495dfee1c7e31788915bc3d2bb25eb007f2fc4cbefaf2793491

General

Target
file.exe
Size 492KB
Sample221127-wcvjwsfd42
SHA256 fc4f03fc4b6d9495dfee1c7e31788915bc3d2bb25eb007f2fc4cbefaf2793491
MD5 23d1fa37ea99cf27c2cf19a0aecb3e08
SHA1 9d15f58165976cbe0837394f8553aa1ea271d2b3
SHA512 48fdbcd5da66fc00677624f7ec3d90cddf79ed86908af2f8f3479e011777339bed15571b7b5891b46a0fb1400171ab74cea597333f95594a605cfdd53295c5e4
SSDEEP 6144:YOCgxUIjfOilcBibDaa2P50El2CXMpTgF2khP4YT3gzq0lWnRNG2D/ir1nm7i8U4:YOCs6+cBXaQlFRgm4YT6vl3ognm4YFV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lgoogloader downloader evasion persistence trojan

Malware Config

Signatures

Detects LgoogLoader payload 1 IoCs

resource	yara_rule
behavioral2/memory/2152-144-0x0000000002A90000-0x0000000002A9D000-memory.dmp	family_lgoogloader

LgoogLoader
A downloader capable of dropping and executing other malware families.
downloader lgoogloader

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	file.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	file.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\file.exe = "0"	file.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\TaskKill\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\Иисус.sys"	file.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	file.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	file.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	file.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\file.exe = "0"	file.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	file.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	file.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4804 set thread context of 2152	4804	file.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1372	powershell.exe
1372	powershell.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4804	file.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	file.exe
Token: SeLoadDriverPrivilege	4804	file.exe
Token: SeDebugPrivilege	1372	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 1372	4804	file.exe	80
PID 4804 wrote to memory of 1372	4804	file.exe	80
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82
PID 4804 wrote to memory of 2152	4804	file.exe	82

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- UAC bypass
- Windows security bypass
- Sets service image path in registry
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4804
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\file.exe" -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1372
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:2152