Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18-02-2024 02:05

General

  • Target

    dependencies/vcredist2015_2017_2019_2022_x64.exe

  • Size

    24.2MB

  • MD5

    101b0b9f74cdc6cdbd2570bfe92e302c

  • SHA1

    2e6bae42c2842b4f558bd68099479b929bb7d910

  • SHA256

    4dfe83c91124cd542f4222fe2c396cabeac617bb6f59bdcbdf89fd6f0df0a32f

  • SHA512

    ccf4fd7da2c3440f1bc7fcac67c8a12599eab8d5c015affdc2e439fa30f5c7868ef5f52ede058361faae37ccc4af2c17c0adf30b8e1f852bb7106d0ec7162506

  • SSDEEP

    786432:urp+Ty2SfUfnbu+zMFy/7zYgWXRLTArzttOaaFC:Sp+Ty2SfWnPzMFO7zYgWBLbFC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x64.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\Temp\{F6DEC945-75A8-4BA6-A8FD-43246BE44B7A}\.cr\vcredist2015_2017_2019_2022_x64.exe
      "C:\Windows\Temp\{F6DEC945-75A8-4BA6-A8FD-43246BE44B7A}\.cr\vcredist2015_2017_2019_2022_x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\dependencies\vcredist2015_2017_2019_2022_x64.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Temp\{32135EFE-C923-4859-A47B-1B87BF849BC8}\.ba\logo.png

    Filesize

    1KB

    MD5

    d6bd210f227442b3362493d046cea233

    SHA1

    ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

    SHA256

    335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

    SHA512

    464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

  • \Windows\Temp\{32135EFE-C923-4859-A47B-1B87BF849BC8}\.ba\wixstdba.dll

    Filesize

    191KB

    MD5

    eab9caf4277829abdf6223ec1efa0edd

    SHA1

    74862ecf349a9bedd32699f2a7a4e00b4727543d

    SHA256

    a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

    SHA512

    45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

  • \Windows\Temp\{F6DEC945-75A8-4BA6-A8FD-43246BE44B7A}\.cr\vcredist2015_2017_2019_2022_x64.exe

    Filesize

    635KB

    MD5

    53e9222bc438cbd8b7320f800bef2e78

    SHA1

    c4f295d8855b4b16c7450a4a9150eb95046f6390

    SHA256

    0e49026767420229afd23b1352cf9f97f24e0768c3d527000d449ffdb4ca6888

    SHA512

    7533f9791e1807072a4dbb6ca03c696b12dfa5337678fab53aceea0e4b7e5ffefb90c9b450ac80878e1e9a4bce549f619da4cd2d06eb2554c9add5b4ec838b4a