General

  • Target

    c6c888cfff95804254c631ce0ccd7abde97f0dda9fc0478ae7327db91ef18a67.bin

  • Size

    2.0MB

  • Sample

    250702-xll5js1jt4

  • MD5

    99879504dff5f3a5211004c5c355e38b

  • SHA1

    1244165d511b43d6126797a57103c698ee61c3a4

  • SHA256

    c6c888cfff95804254c631ce0ccd7abde97f0dda9fc0478ae7327db91ef18a67

  • SHA512

    d5f492a12868471d944bb7f6e7f1f7af890038d4081d46c98eb596c8df725c037a239a765f4907a492ba845f01349b50afeb8e74da398285ad9d4354e423703b

  • SSDEEP

    49152:lHkiEsDLIxFCr5Gyj4hg4ucQrvRa5Gyj4hg4ucQrvR:PE2GI6IrvRo6IrvR

Malware Config

Targets

    • Target

      c6c888cfff95804254c631ce0ccd7abde97f0dda9fc0478ae7327db91ef18a67.bin

    • Size

      2.0MB

    • MD5

      99879504dff5f3a5211004c5c355e38b

    • SHA1

      1244165d511b43d6126797a57103c698ee61c3a4

    • SHA256

      c6c888cfff95804254c631ce0ccd7abde97f0dda9fc0478ae7327db91ef18a67

    • SHA512

      d5f492a12868471d944bb7f6e7f1f7af890038d4081d46c98eb596c8df725c037a239a765f4907a492ba845f01349b50afeb8e74da398285ad9d4354e423703b

    • SSDEEP

      49152:lHkiEsDLIxFCr5Gyj4hg4ucQrvRa5Gyj4hg4ucQrvR:PE2GI6IrvRo6IrvR

    • Xmrig family

    • xmrig

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks