General

  • Target

    7d176d188154770c21be5c5b4a9b0179d01d44a898cb21b6fa49883901d18dcf

  • Size

    548KB

  • Sample

    221030-jzarsabefm

  • MD5

    9324f45184aa1c1996ae494ef9d4d000

  • SHA1

    9b5273ed301a582bc92f4bc2699235195a0f8480

  • SHA256

    7d176d188154770c21be5c5b4a9b0179d01d44a898cb21b6fa49883901d18dcf

  • SHA512

    77a88c2a87a5690be795555ed0f61da15a708894fecdf5629d9b26eabe8626c7d6a82e5f8b29d6394feb71e93e0a087ff7284c51e87bf73f61d4223af4f3625c

  • SSDEEP

    12288:BUfru9v5yBZ1ohOgaymjWgnuBP1uixbCSzkN0cCk:2jurqZfgaykWgsNuHSzk2M

Malware Config

Targets

    • Target

      7d176d188154770c21be5c5b4a9b0179d01d44a898cb21b6fa49883901d18dcf

    • Size

      548KB

    • MD5

      9324f45184aa1c1996ae494ef9d4d000

    • SHA1

      9b5273ed301a582bc92f4bc2699235195a0f8480

    • SHA256

      7d176d188154770c21be5c5b4a9b0179d01d44a898cb21b6fa49883901d18dcf

    • SHA512

      77a88c2a87a5690be795555ed0f61da15a708894fecdf5629d9b26eabe8626c7d6a82e5f8b29d6394feb71e93e0a087ff7284c51e87bf73f61d4223af4f3625c

    • SSDEEP

      12288:BUfru9v5yBZ1ohOgaymjWgnuBP1uixbCSzkN0cCk:2jurqZfgaykWgsNuHSzk2M

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Executes dropped EXE

    • UPX packed file

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

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks