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Analysis

  • max time kernel
    85s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2024, 05:21

General

  • Target

    73d6f2ac24b7d56fbc57027cc97b2533.exe

  • Size

    154KB

  • MD5

    73d6f2ac24b7d56fbc57027cc97b2533

  • SHA1

    22e6000efb3c8105523895cba69046e64c0ac7fb

  • SHA256

    7351147e7f1add344cb20f141dfae9e1831f21f1422a0f39a6bed2b68460f973

  • SHA512

    b98db9f01bd64e4d2b35d9c4a187ab90d6920be00e503cd97c6caf2d60743201300caf52ea08c6c7ae39cc56fc692a42c379bdb7a81653453712557c2078ed0e

  • SSDEEP

    3072:5W74Xt/i0xBebAAcWU7oCtbBCYCIXbbeKxrjIjhIFh4HalmlNXBSpJ:5W7OZi0xB3zb+I2KxPGIFh46lmjcH

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Unexpected DNS network traffic destination 9 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:464
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\73d6f2ac24b7d56fbc57027cc97b2533.exe
      "C:\Users\Admin\AppData\Local\Temp\73d6f2ac24b7d56fbc57027cc97b2533.exe"
      2⤵
      • Registers COM server for autorun
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\{6e73f6ee-16d0-0fbd-d3d6-2b2c4f6dcafa}\n

    Filesize

    26KB

    MD5

    fab7de9eafea67f88e43003698024c86

    SHA1

    24a4ef27c29cdeabed5e0af867e3f568da40d0c9

    SHA256

    073b1f99871dc56a33dcd55af71d53482816bfc9b3ce5c78ee53bed31b428384

    SHA512

    b4a57a8cc564760526d4cce26ce24e80657c064df373c307bb90cf053d01d04bdfe1def41fedfeb7715e53d8481a98c94bc6f3bf33815b4571d898aa08553fcd

  • \systemroot\Installer\{6e73f6ee-16d0-0fbd-d3d6-2b2c4f6dcafa}\@

    Filesize

    2KB

    MD5

    b63b31be9f064055df336c36a0fcddbb

    SHA1

    ad25cc2133c46abddaa8cd418cbade450445281b

    SHA256

    a716caefb54fc3b8eb73c22d896a541f07a3d2e60451ac9dd360145063acd3f0

    SHA512

    65b57dd8dd35dc7f1002678e03d3623d717ee541ee6654c34bd9ba6b53454d37e5b0b02b5d04b4137d9e3ac3ed58edc872d960f7688d1aacb130c0a9f7b68b12

  • memory/464-12-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/464-19-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1044-1-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/1044-2-0x0000000000550000-0x0000000000650000-memory.dmp

    Filesize

    1024KB

  • memory/1044-15-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/1044-16-0x0000000000550000-0x0000000000650000-memory.dmp

    Filesize

    1024KB

  • memory/1044-18-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/1220-3-0x0000000000550000-0x0000000000650000-memory.dmp

    Filesize

    1024KB

  • memory/1220-7-0x0000000002AC0000-0x0000000002AC1000-memory.dmp

    Filesize

    4KB