General

  • Target

    Google Chrome.exe

  • Size

    165.5MB

  • Sample

    240526-l66h5sfc99

  • MD5

    17decaf6c504ccd48733a99c082a0371

  • SHA1

    888f60ab988a40ac9b66f868de708bf7fdddc8c6

  • SHA256

    aec21e789d72c471183f2c43a87632110c7c10c9762d53e19994c8ab3e558479

  • SHA512

    9ed7a6674abee933c409d0465ef42de189595eeec8381b8364e5e8b3be7d398d1df89e260deba589a8e121ccdf29f94ecaaee502d2ce6948645ad945a1d50da0

  • SSDEEP

    3145728:PGljfMBjDxz2K+2yXvdlOuAbUHesRlgpAr2BhD4E4QzTXD:uJM5Dxz2Tt1lFeUHe0Sp9J4S

Malware Config

Targets

    • Target

      Google Chrome.exe

    • Size

      165.5MB

    • MD5

      17decaf6c504ccd48733a99c082a0371

    • SHA1

      888f60ab988a40ac9b66f868de708bf7fdddc8c6

    • SHA256

      aec21e789d72c471183f2c43a87632110c7c10c9762d53e19994c8ab3e558479

    • SHA512

      9ed7a6674abee933c409d0465ef42de189595eeec8381b8364e5e8b3be7d398d1df89e260deba589a8e121ccdf29f94ecaaee502d2ce6948645ad945a1d50da0

    • SSDEEP

      3145728:PGljfMBjDxz2K+2yXvdlOuAbUHesRlgpAr2BhD4E4QzTXD:uJM5Dxz2Tt1lFeUHe0Sp9J4S

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

2
T1059

PowerShell

2
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

4
T1082

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks