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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2024, 08:08

General

  • Target

    b6effd527b53cdea520eb568180e71c0.exe

  • Size

    46KB

  • MD5

    b6effd527b53cdea520eb568180e71c0

  • SHA1

    354b50d9833a3344c4e9b2ee15ef4ea2af37b7b1

  • SHA256

    079589aa1f1fedadb65aa037a5c59fb7accef0471a61c3bed04355aa3d45548b

  • SHA512

    c032792120375c550d84d8f633a46d3cd1402009e8f51b325d71bfb48fa3c81eedb19073e0860f3265f5b9d61e9d2b697b132b1aa1ab84aac0463f9a73e3cbf9

  • SSDEEP

    768:mQxsLTveMukvbY96eIzfEmMEzxm1g/WQxqwdS5PMA97iBthFxLxKiDjq:SuMj065xJeQxqWS5PMSwDV5jq

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6effd527b53cdea520eb568180e71c0.exe
    "C:\Users\Admin\AppData\Local\Temp\b6effd527b53cdea520eb568180e71c0.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Windows\system32\whhfd008.ocx" pfjieaoidjglkajd
      2⤵
      • Loads dropped DLL
      PID:2352
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Program Files\Common Files\0F761EC7ce.dll" m3
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:1768
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Program Files\Common Files\whh34001.ocx" pfjaoidjglkajd C:\Users\Admin\AppData\Local\Temp\b6effd527b53cdea520eb568180e71c0.exe
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1852

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Program Files\Common Files\0F761EC7ce.dll

    Filesize

    10KB

    MD5

    f1f49fb85ab029ad86c02ebecb892b12

    SHA1

    664a602f8e843218c1158571714cd0adee1da939

    SHA256

    f8f3abcf8d43377b49d1edce23a667c9efd9cde86e9afee228e8c3b093013f13

    SHA512

    600810f5a23067afb483b2fb5cd980c817d1b79da7fd7c5183a2d76f3546c514256f5536791abd4ed4b949518c63ab7c55df3e9b9109df2681fd3df10dbd2673

  • \Program Files\Common Files\whh34001.ocx

    Filesize

    63KB

    MD5

    894cf09341b081609775a57ae205117f

    SHA1

    cf3604eaad83596024536b324cc4f0aef4d0a084

    SHA256

    6a45fb2ba35fa038839996cb6ba47001a1109a9ae1765812003b579bc0c9829d

    SHA512

    80bb45f331586f742b56239695e7e7304647c39cc09339459f2315ff88e05609f27637aea13120b5254b978ef9047513f36d7d2df69d013022d698879bf5bf45

  • \Windows\SysWOW64\whhfd008.ocx

    Filesize

    14KB

    MD5

    731659d09654891912ac223e20cd10ab

    SHA1

    13cee04adc7b09ef1c0c6b9abc02d0c7bc02a071

    SHA256

    672639ce00081bdd6b6ee69e1bc816d0b353ed9713b5a21bac6009907daf3d3b

    SHA512

    e2b63a180ff6a9ef523f21a9afe9f71f612f617fbab5b791f763c8bccab14d8cb1986729fadba4bc5f29fe9813766bcb88168018f8c6571ec72efc69639f1116

  • memory/756-0-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/756-7-0x0000000000400000-0x000000000061E000-memory.dmp

    Filesize

    2.1MB

  • memory/1768-21-0x0000000010000000-0x0000000010206000-memory.dmp

    Filesize

    2.0MB

  • memory/1768-22-0x0000000002270000-0x0000000002485000-memory.dmp

    Filesize

    2.1MB

  • memory/2352-19-0x0000000010000000-0x0000000010208000-memory.dmp

    Filesize

    2.0MB

  • memory/2352-20-0x0000000002140000-0x0000000002355000-memory.dmp

    Filesize

    2.1MB

  • memory/2352-23-0x0000000002140000-0x0000000002355000-memory.dmp

    Filesize

    2.1MB