General

  • Target

    cherax.exe

  • Size

    17.1MB

  • Sample

    240706-dqq5hstgrk

  • MD5

    3650491e049463513f7d36d0a1f450ae

  • SHA1

    356e64703c152dfd458bbedecd32d23301e0e7ed

  • SHA256

    3b4cd2dd0458f497d5a93352752dfbbe3a687ff95ce866547ce3ac78aa3e2c71

  • SHA512

    0e613e3ea69ae7663a1102f57368431a08aad9bdd05a0216e13b7dbffae8f554ae52e9a39545e03713f5560ad4e3212a66f727e176a1c67a0a2dd211a1134fe0

  • SSDEEP

    393216:pYSj0YePHCv0AW8mb+OshouIkPftRL54lR:pYSj0b/KFFmXwouTtRL

Malware Config

Targets

    • Target

      cherax.exe

    • Size

      17.1MB

    • MD5

      3650491e049463513f7d36d0a1f450ae

    • SHA1

      356e64703c152dfd458bbedecd32d23301e0e7ed

    • SHA256

      3b4cd2dd0458f497d5a93352752dfbbe3a687ff95ce866547ce3ac78aa3e2c71

    • SHA512

      0e613e3ea69ae7663a1102f57368431a08aad9bdd05a0216e13b7dbffae8f554ae52e9a39545e03713f5560ad4e3212a66f727e176a1c67a0a2dd211a1134fe0

    • SSDEEP

      393216:pYSj0YePHCv0AW8mb+OshouIkPftRL54lR:pYSj0b/KFFmXwouTtRL

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Creates new service(s)

    • Drops file in Drivers directory

    • Stops running service(s)

    • 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

    • Looks up external IP address via web service

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

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Tasks