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Analysis

  • max time kernel
    120s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2024, 01:15

General

  • Target

    b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe

  • Size

    29KB

  • MD5

    1e94fcb1a11fc3550aa097ab00c38a50

  • SHA1

    f2ec31728d0f4abb4a22667d24eac7e93a6f10b4

  • SHA256

    b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99

  • SHA512

    b3499b5f919b122c87c5f8819b0c6b4717fd06652727ec57190b4de63a09b07cc20abc7992aba274bdc0408f23f04ceb1287458faaaeba1cff3f06de9c06ef73

  • SSDEEP

    768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/pJ:AEwVs+0jNDY1qi/qX

Malware Config

Signatures

  • Detects MyDoom family 7 IoCs
  • MyDoom

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 24 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe
    "C:\Users\Admin\AppData\Local\Temp\b95ac42c23e8e11a348f9fd798aa8aa750552c3578813950bab64f0fe7063e99N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2492
    • 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:2064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB4D0.tmp

    Filesize

    29KB

    MD5

    146cb07ac63ad0533196be764a9b740c

    SHA1

    4b3c20fdb6ca80705738c3a453651c5421855abf

    SHA256

    d762a97afdad20ee3b15833c3660d0a9bf55ea9614ea869732180eefed276796

    SHA512

    e6d0a3f0abbb44a95511f0786f720054c88ce32b2ebcb48fd8d804ed958db726433ae68db796a88b800dcd993810fa6748592587802624c6e4ce060b02f2daf3

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

    Filesize

    352B

    MD5

    042def500d9e753e2c559c5579cab94d

    SHA1

    080e86944d41f68ec484a72515ffbb0005514e30

    SHA256

    8169cf9e2035281a227d99ad7e4f47e5857c9f1dd3f637076246f0fe5c82afa4

    SHA512

    0517872540ab53a28d725e20eb57f8d7d5df3ecd9403ef5e33f20abd23dd3fc105d639dd460cf5190e3377a8daa04be498cbb7a7a3b013995e081af7b70ab53c

  • C:\Windows\services.exe

    Filesize

    8KB

    MD5

    b0fe74719b1b647e2056641931907f4a

    SHA1

    e858c206d2d1542a79936cb00d85da853bfc95e2

    SHA256

    bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

    SHA512

    9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

  • memory/2064-20-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-11-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-68-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-63-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-45-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-21-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-26-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-31-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-33-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-38-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-70-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-43-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2064-75-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2492-42-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2492-44-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2492-0-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2492-18-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2492-62-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2492-17-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2492-67-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2492-8-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2492-69-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB

  • memory/2492-4-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2492-74-0x0000000000500000-0x0000000000510200-memory.dmp

    Filesize

    64KB