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Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    28/05/2024, 18:39

General

  • Target

    virussign.com_98770af63def2b3ac13d412f41811190.exe

  • Size

    35KB

  • MD5

    98770af63def2b3ac13d412f41811190

  • SHA1

    86dda250969083d417987bdb87d89e797c1066db

  • SHA256

    570deeabd96f1f8231526c14405f83e14621c2a5e275c5f052437451ed49da4d

  • SHA512

    98380a9293bafd3acdcda2bce69b37d1095e5246f5a641ff20f915888fdbf6f87125717175e2cb671b9a0a4e03c4c61908b8a1f27142620f7db2d84d4913df39

  • SSDEEP

    768:M3EVdV0YXY/nckNsWheCNSdd57Do5utsp1TOIIIwjky:lVdm5/nprh3Ny57guSTOjz

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\virussign.com_98770af63def2b3ac13d412f41811190.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_98770af63def2b3ac13d412f41811190.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\qqwhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • Views/modifies file attributes
      PID:1104
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\VIRUSS~1.EXE > nul
      2⤵
      • Deletes itself
      PID:1332
  • C:\Windows\Debug\qqwhost.exe
    C:\Windows\Debug\qqwhost.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Debug\qqwhost.exe

    Filesize

    35KB

    MD5

    b54a0bb3f355fc4d632fd804f0dd3988

    SHA1

    6fe72ea7b446e16828586c4641283e1428871517

    SHA256

    c4bf1be5b2c3e74cd488e0b5020dd7c0d66972dc0f4b18df9d7d009d0e6db756

    SHA512

    71547ff5aeaba4cbb8560b66400fee2fefc4c179239be245137b1d5bf6b94de4b898340e10f36f32449e7762ff247c83f1a944a0d506343f4933eb3386704a88

  • memory/1224-0-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1224-7-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2884-5-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2884-8-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2884-14-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2884-17-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/2884-20-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB