lgoogloader | 097e32e6373285375e9ca2f85099248c2ec1ec1e22656a28f4763fc4e0a0459d

General

Target
file.exe
Size 490KB
Sample221209-jyt42acf77
SHA256 097e32e6373285375e9ca2f85099248c2ec1ec1e22656a28f4763fc4e0a0459d
MD5 5290070fb1e0891e501b74c4642e1c89
SHA1 7fd9769e0edd61cf7dd040acc18582bbaa625d5c
SHA512 272d3dbe7bf549fcd994082a976db95db53b38f7c2d611dd550a9639efcd0be4ad4142d04abb27273bf96f1b0a2c4a3654837dc402a5e60c40a985490e972f5e
SSDEEP 12288:4Z4ZGtxUJ0egLsGZLzw75kDDTMT5qu+8t7L:uxhE5DNqw9
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/3784-143-0x0000000000F60000-0x0000000000F6D000-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-1-5-21-2629973501-4017243118-3254762364-1000\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\file.exe = "0"	file.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	file.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	file.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 3784	4864	file.exe	81

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 4 IoCs

pid	Process
1756	powershell.exe
1756	powershell.exe
4864	file.exe
4864	file.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4864	file.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	file.exe
Token: SeLoadDriverPrivilege	4864	file.exe
Token: SeDebugPrivilege	1756	powershell.exe
Token: SeDebugPrivilege	4864	file.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 1756	4864	file.exe	78
PID 4864 wrote to memory of 1756	4864	file.exe	78
PID 4864 wrote to memory of 4080	4864	file.exe	80
PID 4864 wrote to memory of 4080	4864	file.exe	80
PID 4864 wrote to memory of 4080	4864	file.exe	80
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81
PID 4864 wrote to memory of 3784	4864	file.exe	81

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: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4864
- 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:1756
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:4080
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  PID:3784