Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 04:38

General

  • Target

    c6c57a03e14a28572a697f156f97ed5ac60663ec1271c754756dd335b21e9fed.exe

  • Size

    6.6MB

  • MD5

    02a7189dbb81604690c8bac9f0946557

  • SHA1

    605863a7426bc3207ea2bf7d7b01ce06f0edfd8e

  • SHA256

    c6c57a03e14a28572a697f156f97ed5ac60663ec1271c754756dd335b21e9fed

  • SHA512

    4c2812b2a1f73cc90fd3b86adf9533a0af2c1e86f282c8ca8ab977ff87fbb5ebdc36f4d3524022f447239fbb2045eb61e37c2f8ad3863edd2dedad1bc368c6e2

  • SSDEEP

    98304:MAUH/O2fXSA57UpdRCufM4aJGTbbIl1+LxF7cg2CGABvoVPyuqyACXfTFY1uIb:MAUHl557ZucJI/xag9ckyRLmhb

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Runs regedit.exe 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6c57a03e14a28572a697f156f97ed5ac60663ec1271c754756dd335b21e9fed.exe
    "C:\Users\Admin\AppData\Local\Temp\c6c57a03e14a28572a697f156f97ed5ac60663ec1271c754756dd335b21e9fed.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Windows\regedit.exe
      regedit /s C:\Users\Admin\AppData\Local\Temp\f761b00.tmp
      2⤵
      • Runs regedit.exe
      PID:2808
    • C:\Windows\regedit.exe
      regedit /s C:\Users\Admin\AppData\Local\Temp\f761b6e.tmp
      2⤵
      • Runs regedit.exe
      PID:2752
    • C:\Windows\regedit.exe
      regedit /s C:\Users\Admin\AppData\Local\Temp\f761b7e.tmp
      2⤵
      • Runs regedit.exe
      PID:2748
    • C:\Windows\regedit.exe
      regedit /s C:\Users\Admin\AppData\Local\Temp\f761b8f.tmp
      2⤵
      • Runs regedit.exe
      PID:3012
    • C:\Windows\regedit.exe
      regedit /s C:\Users\Admin\AppData\Local\Temp\f761ce7.tmp
      2⤵
      • Runs regedit.exe
      PID:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\f761b00.tmp

    Filesize

    132B

    MD5

    c3aa1676cadeb86b324cb568f72dbee3

    SHA1

    2948105c5b3e58c2775ae48fe658476f690bf414

    SHA256

    82a95e78751c28f29b330ddce4001fd0c77678a8b9292fb08b8c363acface50e

    SHA512

    8738e0ea5e9fd058e6577e566985e9666b16b7c56490814f95509faedbf89386b6f461ad96f821d8e08dc557e47a7b6c797b00973090d351e87da414e01b3ccc

  • C:\Users\Admin\AppData\Local\Temp\f761b6e.tmp

    Filesize

    98B

    MD5

    bcdf80e90522609d14fa19446bc17c87

    SHA1

    2f62ab90984ea0d4994d0e73c852521373c14a8d

    SHA256

    de790455179daf3ab96cfefa793f5d0eaca56b45da2fd2331b8df561fa8f08b0

    SHA512

    947a32cd6fb7b341a97d3ffc754c1037084c7f3e96e05edfe3179b58e0f3d23202e86ed5da91e6d6c8b93a1e2bd307fa0e5caf03dfb014df9f3fb7868fdf1957

  • C:\Users\Admin\AppData\Local\Temp\f761b7e.tmp

    Filesize

    144B

    MD5

    0c835aeeb5cc63779f4651746898d3fb

    SHA1

    af3b2c129bfc61beab16a11cc59fb98e7ff8c701

    SHA256

    515883317e4dbc4d5ecfc09b32c36d3ced53e3fd5db8ebbb151bb9e0fa3e7d74

    SHA512

    9bc848b2e94620f2af05093c81ac9d7b64603ee3259861ef03c38533f81b6741417c1b8c8cff4b09c925c0bc9db09526f9d76378c5b0cd0a42de14940ab784cd

  • C:\Users\Admin\AppData\Local\Temp\f761b8f.tmp

    Filesize

    110B

    MD5

    5c26168f481a99cac00c7fd8306da658

    SHA1

    485656263cf750d9505825ca6ba5afa4860a7103

    SHA256

    2a9e03ea107adb8542ac32b21c28864d9c6fcc651152f72c9959498baa865e9a

    SHA512

    b85aae30eb722a421078cb0e27f7701f128c5a4f201e948305aa23489e9868287f320eb1f72dce22f7687ac9f931744e9aa7fd0d7e335563ac8c88f000785294

  • C:\Users\Admin\AppData\Local\Temp\f761ce7.tmp

    Filesize

    142B

    MD5

    3fda5d9eb00e8de27a67c26d1294b8c3

    SHA1

    7d50feb197ad5694e7ccdd8df72a4363e1bd3ecd

    SHA256

    6b95f1d6d06d31b850dd01ccb7f723bef3d6823b93c5feb4ff2bd9236630e3ec

    SHA512

    798db0157ddf577f27654a52b91a7c8956f3895da469f6352dc77081c83827660b0076da99c79719fe7ab5ef2013a44121dab5156292a4023e28c979d6db0302

  • memory/1616-0-0x0000000000400000-0x0000000001367000-memory.dmp

    Filesize

    15.4MB

  • memory/1616-1-0x0000000000400000-0x0000000001367000-memory.dmp

    Filesize

    15.4MB

  • memory/1616-2-0x0000000077E50000-0x0000000077E52000-memory.dmp

    Filesize

    8KB

  • memory/1616-3-0x0000000000400000-0x0000000001367000-memory.dmp

    Filesize

    15.4MB

  • memory/1616-30-0x0000000000400000-0x0000000001367000-memory.dmp

    Filesize

    15.4MB