General
- Target ExLoader_Installer (1).zip
- Size 23.7MB
- Sample260714-svsapsfw5n
- SHA256 ed76f841d866a82c26d0f5b59a41ea89deef85d5819f3ba9e7dcb0212c073e0d
- MD5 a2a1f6f0c76f692a721292df8e6f779d
- SHA1 d38d053bb541abdc1fbc5531d8c66aeb430b3d32
- SHA512 748ce3e79b7c69b6d04360853739ce47823a0aab221ddff5edad50baaa12d048b3f12395d223b72ba9a95c1a9292d6a713cbff89203c862d8f2bc0ce031b0434
- SSDEEP 393216:kN6+R5xTUGIk2iG0Y9mpiRwWvPUJ2bQ1GEfruhFIpmEsUX35pt8xtyPHjCQo6Cw8:kN7RFIkYmiwWvC20buTmm+Wxy+QumW5n
- TLSH T1D94733C1DB9160A7CD36A7B3857CB0B2D308229F62F35634859CC3606E4BEA8D615FD8
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
ExLoader_Installer (1).zip
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
ExLoader_Installer.exe
Resource
win10ltsc2021-20260513-en
Malware Config
Targets
-
- Target ExLoader_Installer (1).zip
- Size 23.7MB
- SHA256 ed76f841d866a82c26d0f5b59a41ea89deef85d5819f3ba9e7dcb0212c073e0d
- MD5 a2a1f6f0c76f692a721292df8e6f779d
- SHA1 d38d053bb541abdc1fbc5531d8c66aeb430b3d32
- SHA512 748ce3e79b7c69b6d04360853739ce47823a0aab221ddff5edad50baaa12d048b3f12395d223b72ba9a95c1a9292d6a713cbff89203c862d8f2bc0ce031b0434
- SSDEEP 393216:kN6+R5xTUGIk2iG0Y9mpiRwWvPUJ2bQ1GEfruhFIpmEsUX35pt8xtyPHjCQo6Cw8:kN7RFIkYmiwWvC20buTmm+Wxy+QumW5n
- TLSH T1D94733C1DB9160A7CD36A7B3857CB0B2D308229F62F35634859CC3606E4BEA8D615FD8
- MD5 SHA1 SHA512 SSDEEP TLSH
Score1/10 -
- Target ExLoader_Installer.exe
- Size 173KB
- SHA256 93006384d339208d7125662bd928722cb3d1ac08855d46fe4fa2d6579e1260f1
- MD5 0572dd0c0fd63a372a10f14f5f981c59
- SHA1 d675b7d16da8f61cf5a219451d9286445ceb1343
- SHA512 bfc178a50e3560e0b672a935281501e18b8b6c71ac0a69d2a23706ee8614081f83d586d3e7887e7f2b3cd03f3ccd06472b5edd07a258cb843d09efe56e82eed9
- SSDEEP 3072:zfOnmYGioVzt/JUaD9QQfppuBsmx7Ho5T5VJdxJ0BwJ42o5oSMgbwUs5:zfOnaioVBxUaD9QWj5T5LL/J4Z5o
- TLSH T137048E11AB68C499F2F69AB4D9338905CD72FC961B34D6CF23912DAE09757E09E39303
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Suspicious use of NtCreateProcessExOtherParentProcess
-
Downloads MZ/PE file
-
Drops file in Drivers directory
-
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
-
Uses Session Manager for persistence
Creates Session Manager registry key to run executable early in system boot.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
Executes dropped EXE
-
Impair Defenses: Safe Mode Boot
-
Loads dropped DLL
-
Windows security modification
-
Adds Run key to start application
-
Checks for any installed AV software in registry
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Component Object Model Hijacking
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
1Safe Mode Boot
1Modify Registry
6Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1