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Resubmissions

25/10/2023, 10:54

231025-mzvnqsgg5z 7

25/10/2023, 10:50

231025-mxql1aga28 7

Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    25/10/2023, 10:50

General

  • Target

    38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe

  • Size

    24KB

  • MD5

    1974b3efe52893678a024e9fe8ff07a0

  • SHA1

    4d5b9d7b81cf7e38e65d402bf30a3b90f7271022

  • SHA256

    38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095

  • SHA512

    7c98e10b7978bd873fb7aafd10aae3ab1cff58bff152f9c3d7ef83d89d0fbe14e3a6ca715f89d904400fd1b9390f2c4cd243b4151b05e931ec8aede3c6be12de

  • SSDEEP

    384:fLX3Wg+PHCBRWL8yER7HJ7v3Ir4zYV4IysmRJqn:jXGg+PHCBRWLtExHuuGejP0

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe
    "C:\Users\Admin\AppData\Local\Temp\38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\rundll32.exe
      "C:\Users\Admin\AppData\Local\rundll32.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Sets desktop wallpaper using registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\rundll32.exe

    Filesize

    24KB

    MD5

    1974b3efe52893678a024e9fe8ff07a0

    SHA1

    4d5b9d7b81cf7e38e65d402bf30a3b90f7271022

    SHA256

    38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095

    SHA512

    7c98e10b7978bd873fb7aafd10aae3ab1cff58bff152f9c3d7ef83d89d0fbe14e3a6ca715f89d904400fd1b9390f2c4cd243b4151b05e931ec8aede3c6be12de

  • C:\Users\Admin\AppData\Local\rundll32.exe

    Filesize

    24KB

    MD5

    1974b3efe52893678a024e9fe8ff07a0

    SHA1

    4d5b9d7b81cf7e38e65d402bf30a3b90f7271022

    SHA256

    38e48171841e732efe6ce8b4713c315a805a6cbb347eb98b9a6e4daeb230b095

    SHA512

    7c98e10b7978bd873fb7aafd10aae3ab1cff58bff152f9c3d7ef83d89d0fbe14e3a6ca715f89d904400fd1b9390f2c4cd243b4151b05e931ec8aede3c6be12de

  • C:\Users\Admin\Links\Readme.txt

    Filesize

    416B

    MD5

    ed1c40917f1c39d4f6525a3f0650396b

    SHA1

    decbe0e54e3eb3dfb7dc162e2a00a58fc577cf71

    SHA256

    467c933d9e855bfaf8fd8d10abaae1541bd6693eb3da471f3ef99e5cefe3a7a3

    SHA512

    9f22e24c70c2806af5c18354d82934973b544a2938081d230e96ff5457c741d28ae9722f2499e71902c8f1c65a2f1c769fceb4ab86b036e9ead2bef88871b87b

  • memory/1776-0-0x0000000000CA0000-0x0000000000CAC000-memory.dmp

    Filesize

    48KB

  • memory/1776-1-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

    Filesize

    9.9MB

  • memory/1776-8-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

    Filesize

    9.9MB

  • memory/1872-7-0x0000000000040000-0x000000000004C000-memory.dmp

    Filesize

    48KB

  • memory/1872-9-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

    Filesize

    9.9MB

  • memory/1872-311-0x000000001A910000-0x000000001A990000-memory.dmp

    Filesize

    512KB

  • memory/1872-314-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

    Filesize

    9.9MB

  • memory/1872-315-0x000000001A910000-0x000000001A990000-memory.dmp

    Filesize

    512KB