Analysis

  • max time kernel
    142s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2024 21:25

General

  • Target

    a4e2f937be55cef890bf7cbd1e658d63d85ee63ea3bf7bbef66fcbe04b55affe.exe

  • Size

    12.8MB

  • MD5

    2d0330fae641aa321b8c0365a5edd1b5

  • SHA1

    0207713e73f9e1104e1a141f4cd833261b88904e

  • SHA256

    a4e2f937be55cef890bf7cbd1e658d63d85ee63ea3bf7bbef66fcbe04b55affe

  • SHA512

    0f5a1c9ab3640772d5a9e60489376f30be5d2705020770702768ef65e112d45af455fcdcc2f9539114f6eb6a7dc0bd4fcd988a2ff8a7b3233b57c5ae367a312e

  • SSDEEP

    196608:fSlhq9kKXlH6ub1TZi5pTemYWRBVZLdSkN:6i51HZ1QxemXRBVZL

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 8 IoCs
  • UPX packed file 12 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4e2f937be55cef890bf7cbd1e658d63d85ee63ea3bf7bbef66fcbe04b55affe.exe
    "C:\Users\Admin\AppData\Local\Temp\a4e2f937be55cef890bf7cbd1e658d63d85ee63ea3bf7bbef66fcbe04b55affe.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\zipsw.exe
      C:\Users\Admin\AppData\Local\Temp\zipsw.exe
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\System32\regsvr32.exe" atl.dll /s
        3⤵
          PID:2800

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1B4E.tmp
      Filesize

      417B

      MD5

      d4dc8f619ac37fb183cb25c0b26a9b0d

      SHA1

      abb1b89e82c2d88eb0b0f5d3cc63d425d7fc1003

      SHA256

      ccaad2629f1bb7d4eb3a409feb3598c893bee800cd9c1bf6f8ef914454c195a7

      SHA512

      0a6e00ab14e2870dc76659c11a30e1fdab61c85bfae6cab609e89bca9c74d13d16f118b8730e0cea5bc39fec8df58e21d9939312e46c81f0069810a0a52a8c2f

    • C:\Users\Admin\AppData\Local\Temp\477204F.tmp
      Filesize

      5.7MB

      MD5

      517210a7d447f164e71fad26c5d6e58b

      SHA1

      244d44f8eb931f23e5448a9d4d4fe128553e0103

      SHA256

      4967770600dd2d1a41bbf018570dd5114263bd3de5473c5b0b8754544a75cc14

      SHA512

      72fbf1bd211c7492b4aab19a8757e8f3d081c6acc2d1b8d844af832dd3ed4736643a15ed270ae946029f1c3e47c04c9b5124fe01a894a58cb1fc9cb751ded176

    • C:\Users\Admin\AppData\Local\Temp\plugin\ND.DLL
      Filesize

      24KB

      MD5

      e29d9a912204844df5306ca3935b1f1c

      SHA1

      19ba6440827ad2ac515aeb6c8700fbb4c896e61c

      SHA256

      3453bb9b4550dd5a51a64c3d2d25f1b49744b05ac740c57f2dd9f89084811318

      SHA512

      9229d5c845eeb36cd293e8d998aca63ed14f41b43d7d11da8682ede4d24853eff19bf0801b8ab055d50c849be7cbf94b890a672d90b55eec5019cebf98925a3a

    • C:\Users\Admin\AppData\Local\Temp\plugin\SYS.ini
      Filesize

      1KB

      MD5

      09c6b26d1e0ff380321f586473d81098

      SHA1

      261ba0c9c3ddf3c9e8715ead3628212d2859bcba

      SHA256

      bc8eaa229e13a93be3bef498443182eb5d97551fbc5fcb1208d014b56161588f

      SHA512

      7700e2ab0c38f7b1a3190843f603b572f7952e4a3567855fbaf2f1085f7e5b4fcdaa97e9195a43299594a5c3b31d15232cb66d9c59a4231cc83487663ded832c

    • \Users\Admin\AppData\Local\Temp\QM\nb.dll
      Filesize

      4.1MB

      MD5

      2c685c5e7e1aaf03845d273ab5adeb6c

      SHA1

      dae12ddf186d6e8b49a57b49c5a215ad67ec3462

      SHA256

      3143d166f4f7001169ba8d79972e1b8703258e0273252b37671dc433855e2b1d

      SHA512

      dad75b1cd531b7068980d73ae896de39fb5be891979fc58bfbe4d127edb6b40ef7c937ecba18f87db5837571ddeaa901ea55781ed03e623b083a526620a8bf6a

    • \Users\Admin\AppData\Local\Temp\cfgdll.dll
      Filesize

      59KB

      MD5

      3f9711ab8cfa0cbbeaeceba7904c8700

      SHA1

      94085220d65eb8c572fb394ab0d19815dcf80680

      SHA256

      517df7f719bcc34ea934868e46c77932768ee77abccc3bccac62bf9bfeed0af5

      SHA512

      e595acdc6b857a6180f88ddb0bd8c50f66bd1768d129e996dcd8934e9462150d041dc79addd2251b933e1a63ccccf03070ecce8ed485ea35622af1c18c60fcc5

    • \Users\Admin\AppData\Local\Temp\plugin\SYS.DLL
      Filesize

      32KB

      MD5

      18c393dfa1c0f3d2da0f4acdec5d7639

      SHA1

      84f666216085f177bccb8fa94900ba625f7552bc

      SHA256

      3c3599cf74407476a92ce4ee66ed3ce00d0b3ea5326f796c191e6ed0a9a87b3a

      SHA512

      ba61370b69b239754ff8f4e07f456755422667340c9a27bf2ace272b0e90a0818da595b973e90cd9ca4fc502028caef078e16bc7c87b2a6a8fa465141f54b3b4

    • \Users\Admin\AppData\Local\Temp\zipsw.exe
      Filesize

      12.0MB

      MD5

      4bd88fcc39a751c876c18a276e5b4082

      SHA1

      843c373ddc57bb0fc3e8eecb01fa1bdc8281d4f7

      SHA256

      80fa5cfef30a9bab2184c003979e84ad6f5d7cd8b3ec0b3f0637545442136b77

      SHA512

      d99576a0fb7ff03ddd34035320998a6a9cd98f4166d40343cb2e17c7484651dd1d02986ad0caf571a32113541c57520812b718b3cbe2439fa53190a706a89678

    • \Users\Admin\AppData\Roaming\mymacro\qdisp.dll
      Filesize

      43KB

      MD5

      7171bc500507f070355c8903e0ea6d3d

      SHA1

      073d479fdbd1f2af5d494e90b950098be63dee75

      SHA256

      3e02f67604dcc1f9e2f107e3dc04f9dcdc59431b2a9323838b61c427c63b997c

      SHA512

      a8162de29e73f7a198ab7b592c393c8b39e42d5f6649efeca300a90dd7c70178fca1cfcd1f721588dcff296d5245f9ebfa289c6525c7e8621c8eef3e77787622

    • memory/1884-6-0x0000000002D60000-0x00000000032F4000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-303-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-309-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-10-0x0000000000401000-0x00000000005F0000-memory.dmp
      Filesize

      1.9MB

    • memory/2628-290-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-295-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-298-0x0000000008F10000-0x0000000008F1A000-memory.dmp
      Filesize

      40KB

    • memory/2628-297-0x0000000008F10000-0x0000000008F1A000-memory.dmp
      Filesize

      40KB

    • memory/2628-299-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-300-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-301-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-302-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-304-0x0000000000401000-0x00000000005F0000-memory.dmp
      Filesize

      1.9MB

    • memory/2628-7-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-305-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-307-0x0000000008F10000-0x0000000008F1A000-memory.dmp
      Filesize

      40KB

    • memory/2628-306-0x0000000008F10000-0x0000000008F1A000-memory.dmp
      Filesize

      40KB

    • memory/2628-308-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-46-0x00000000041B0000-0x00000000041BF000-memory.dmp
      Filesize

      60KB

    • memory/2628-310-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-311-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-312-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-313-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-314-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-315-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-316-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-317-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-318-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-320-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-322-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-323-0x0000000008880000-0x0000000008DAE000-memory.dmp
      Filesize

      5.2MB

    • memory/2628-324-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-326-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-328-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB

    • memory/2628-330-0x0000000000400000-0x0000000000994000-memory.dmp
      Filesize

      5.6MB