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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/03/2025, 14:33

General

  • Target

    fef402190cc7444efab8d2e585f4f99b2d6a1cee0497a5b9d252d8c8a983cfc5.exe

  • Size

    29KB

  • MD5

    6855fce766d55357778f873fe5e9d8b6

  • SHA1

    ef38f6e19cff3d951d6829ae863ad3f57a0c9976

  • SHA256

    fef402190cc7444efab8d2e585f4f99b2d6a1cee0497a5b9d252d8c8a983cfc5

  • SHA512

    0cf05192247b68a4c245934bc0242d4033adf7b3770536bd03bf586735f1dc594cf6e1349743725bfe8aa45750e1d86848799476f039ca1a322b81ebe9992b8d

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/x:AEwVs+0jNDY1qi/qp

Malware Config

Signatures

  • Detects MyDoom family 9 IoCs
  • MyDoom

    MyDoom is a Worm that is written in C++.

  • Mydoom family
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 28 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fef402190cc7444efab8d2e585f4f99b2d6a1cee0497a5b9d252d8c8a983cfc5.exe
    "C:\Users\Admin\AppData\Local\Temp\fef402190cc7444efab8d2e585f4f99b2d6a1cee0497a5b9d252d8c8a983cfc5.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\services.exe
      "C:\Windows\services.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    71KB

    MD5

    83142242e97b8953c386f988aa694e4a

    SHA1

    833ed12fc15b356136dcdd27c61a50f59c5c7d50

    SHA256

    d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

    SHA512

    bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

  • C:\Users\Admin\AppData\Local\Temp\TarF90F.tmp

    Filesize

    183KB

    MD5

    109cab5505f5e065b63d01361467a83b

    SHA1

    4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

    SHA256

    ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

    SHA512

    753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

  • C:\Users\Admin\AppData\Local\Temp\tmpECF1.tmp

    Filesize

    29KB

    MD5

    696cdcd0322d4d2e026809bd1353af2a

    SHA1

    9f2789ec722c2394da636e8a9a8ff5ce270da158

    SHA256

    190a563f2c3f7665c9f8bbbb9b134b342cb4a1df1881bf11bc79cdf6815615d4

    SHA512

    f74d1bfad7ec9f07996456d13947645b5a0be963435ba9d4da91eeee6100130c5cee5cafcabf89c18ba2595f2d845fefcc8ca719b133fc944b5be51cdac8fd43

  • C:\Users\Admin\AppData\Local\Temp\zincite.log

    Filesize

    320B

    MD5

    9b5e6491d5aee5c61474d4dd2d83fbab

    SHA1

    30a3f5b801fdc1754edca33b5fb30b3882a131eb

    SHA256

    4e5ee82ee4c7597902468baf4938fa7ad267bfdebfbd7fe8f9d13b39bf5a4cc3

    SHA512

    71376bb090a3f81f97003379a4b2f5e5c1ac2acea866efebf81cf58138acaa778dd34be61f122c1abe62a96646a591e123280bca1f0f945c64244632b3b65a8f

  • C:\Users\Admin\AppData\Local\Temp\zincite.log

    Filesize

    320B

    MD5

    3d7e325368c0d59f69665f80d8735349

    SHA1

    8440688b6692cfbbc2944e716b0be76fc147b671

    SHA256

    fe64aadf9f75314a34fd9b378bc201242294fb7c9712aaf3926e2bed1c33c2a7

    SHA512

    6b1d95758644fd9236333bb8c811c32dd7234c0333c316e28d6d92dc8b5d5b412c430965ed3102cc2d4f1c04332372facd53023002d8cb6e707ba8aa0870d21c

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/1052-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-65-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-189-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-82-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-39-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-77-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-41-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-15-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-3-0x0000000000220000-0x0000000000228000-memory.dmp

    Filesize

    32KB

  • memory/1052-72-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/1052-70-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2044-28-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-71-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-66-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-62-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-73-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-78-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-40-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-83-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-35-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-85-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-30-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-23-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-18-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-17-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2044-190-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB