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Overview

overview

10

Static

static

10

b1a55c281d...a6.exe

windows7-x64

10

b1a55c281d...a6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b1a55c281d7222c9254e5cfbb6db241bf1c38189a5fff10faa323f39518063a6

  • Size

    2.5MB

  • Sample

    240612-dbhjtszamd

  • MD5

    696cd93127a61b0aaa93d5c45d2ca6f5

  • SHA1

    b5434473eed20cbd7611a4de443e6d724c63a3be

  • SHA256

    b1a55c281d7222c9254e5cfbb6db241bf1c38189a5fff10faa323f39518063a6

  • SHA512

    1609e0e835eae923416f491565e5e370cbe95a2de68df5ec4ace48010ae9766e2c53f1f8ffa3fcab2256abd4e25bb4e2150a1a1312bf964bce89c089d714cf75

  • SSDEEP

    49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxn:Mxx9NUFkQx753uWuCyyxn

Score
10/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      b1a55c281d7222c9254e5cfbb6db241bf1c38189a5fff10faa323f39518063a6

    • Size

      2.5MB

    • MD5

      696cd93127a61b0aaa93d5c45d2ca6f5

    • SHA1

      b5434473eed20cbd7611a4de443e6d724c63a3be

    • SHA256

      b1a55c281d7222c9254e5cfbb6db241bf1c38189a5fff10faa323f39518063a6

    • SHA512

      1609e0e835eae923416f491565e5e370cbe95a2de68df5ec4ace48010ae9766e2c53f1f8ffa3fcab2256abd4e25bb4e2150a1a1312bf964bce89c089d714cf75

    • SSDEEP

      49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxn:Mxx9NUFkQx753uWuCyyxn

    Score
    10/10
    evasionpersistencethemidatrojan

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Detects executables packed with Themida

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

      evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks