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Analysis

  • max time kernel
    162s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2024, 19:57

General

  • Target

    7ddd7f9c572b5694c60fbc003614b04e.exe

  • Size

    62KB

  • MD5

    7ddd7f9c572b5694c60fbc003614b04e

  • SHA1

    38eb2f33be1749271665ca0bf89a162154bbe2af

  • SHA256

    0865ae8433a92a15c4f298f4594a11a7472d6e594b4ded24f69c5861d99f6ba1

  • SHA512

    cb12f8a031dbb28d4e1baeb6f9ed8c6b0507ab5b8f2ce4194b7c64f760d338ff37f10c85e1493552e3b000753557c1c9b911056321f8c9a0b3e0f9a37128a11a

  • SSDEEP

    768:EeglKSgf0Kn2hJRDCExKjWHKfIag5Ikoppb4PVzhOnDA3IGlieyDAlG7yWy6yvAT:EegqsDTAj6yrgmy9SDRMGvyCoup

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 11 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ddd7f9c572b5694c60fbc003614b04e.exe
    "C:\Users\Admin\AppData\Local\Temp\7ddd7f9c572b5694c60fbc003614b04e.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\winkernel32.EXE
      C:\winkernel32.EXE
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\43O0UZKG\gereba01[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\INF\anvaila.inf

    Filesize

    94KB

    MD5

    740d65e38a2f2399adf61dd16740424c

    SHA1

    26a04a0fb338693d433d1ec8c37f7e3d7b46d7a3

    SHA256

    a53629e3667bab8af5ed743c76653d1495c3ddc1bd2bd5311ac5ab4945ab3c9d

    SHA512

    c1cd9f29b110af36d3e720134f779798e89d618630b2bab92df834dc8dab91330cebd45d3eec5d453354452d0e7bbe1c91b8a58759cd43d071dc1147ffff85db

  • C:\Windows\inf\append.inf

    Filesize

    28B

    MD5

    7452db5e8f1ec3336bddad6538821e1b

    SHA1

    f09f835b7a9a2d017860e37649bf4eeba678481c

    SHA256

    3015ffef210daa73fcc635059b11e6911ff6b32e4ca759d57245d74704d7fb88

    SHA512

    8e0d80ad239868ca83d4ca515ea4bc05e98853604015e01b673b56b9007d03b245066353ec103d34d1cf4e4fa647d76a0736b303581abddf6eb623682fa37d1d

  • C:\winkernel32.EXE

    Filesize

    62KB

    MD5

    7ddd7f9c572b5694c60fbc003614b04e

    SHA1

    38eb2f33be1749271665ca0bf89a162154bbe2af

    SHA256

    0865ae8433a92a15c4f298f4594a11a7472d6e594b4ded24f69c5861d99f6ba1

    SHA512

    cb12f8a031dbb28d4e1baeb6f9ed8c6b0507ab5b8f2ce4194b7c64f760d338ff37f10c85e1493552e3b000753557c1c9b911056321f8c9a0b3e0f9a37128a11a

  • memory/4280-143-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4280-75-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4280-141-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4280-142-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4280-144-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4280-145-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4280-146-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4280-147-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4364-13-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4364-0-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB