General

  • Target

    ExLoader_Installer.exe

  • Size

    21.3MB

  • Sample

    240524-wcmjaadg3x

  • MD5

    650a1cce61876f1a3739e398c720893f

  • SHA1

    377998a6fb0d5ff55cec8a015cd7c7cf10f555d3

  • SHA256

    8ed9a032b5f21c4b12bb76dd191e08af6943083c0619fdb07a8e2fff2c2bae03

  • SHA512

    495306321bafc3d85bce9978423828e24d0e71a82d08833cc2b566af5f78a550e72d1962890bc5fb252ef44f103b8fbc6ad90490607d797ea6376ae37e0a7f20

  • SSDEEP

    393216:1GHm3pVO/Gz/goYI4qq0EyEv1B35t1is3z1fr+4fLnjUmung8P:gHWVO9oyV3n1bz1z+WHFcgY

Malware Config

Targets

    • Target

      ExLoader_Installer.exe

    • Size

      21.3MB

    • MD5

      650a1cce61876f1a3739e398c720893f

    • SHA1

      377998a6fb0d5ff55cec8a015cd7c7cf10f555d3

    • SHA256

      8ed9a032b5f21c4b12bb76dd191e08af6943083c0619fdb07a8e2fff2c2bae03

    • SHA512

      495306321bafc3d85bce9978423828e24d0e71a82d08833cc2b566af5f78a550e72d1962890bc5fb252ef44f103b8fbc6ad90490607d797ea6376ae37e0a7f20

    • SSDEEP

      393216:1GHm3pVO/Gz/goYI4qq0EyEv1B35t1is3z1fr+4fLnjUmung8P:gHWVO9oyV3n1bz1z+WHFcgY

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks