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Analysis

  • max time kernel
    119s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26/12/2023, 02:15

General

  • Target

    4c04bd1f1b7ee9c153b07a7328ba087d.exe

  • Size

    1.6MB

  • MD5

    4c04bd1f1b7ee9c153b07a7328ba087d

  • SHA1

    fdf87dee3999d2c1472ac430890a1f71bf224606

  • SHA256

    7019fee3f5f3839fac98792df9c74d396821746688eec23197eb92520f503446

  • SHA512

    a4da4637935bc21abdfff1a0d5624ba39cb94b9d960c873081e03e849693a00cfe49f12fc8a6160a6f55e61eb1698553474bbe0cc12b3ab27dea0fa1d9be7737

  • SSDEEP

    49152:x/fwUdoP8/QnXQLqs4CEgHhAWkf6tvk4TXbr7:xwUdd/0ALq+O6tc4

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c04bd1f1b7ee9c153b07a7328ba087d.exe
    "C:\Users\Admin\AppData\Local\Temp\4c04bd1f1b7ee9c153b07a7328ba087d.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\4c04bd1f1b7ee9c153b07a7328ba087d.exe
      "C:\Users\Admin\AppData\Local\Temp\4c04bd1f1b7ee9c153b07a7328ba087d.exe" /wrapper /dir="C:\Users\Admin\AppData\Local\Temp\pkg_4a27b70"
      2⤵
      • Checks whether UAC is enabled
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3032
      • C:\Users\Admin\AppData\LocalLow\cookieman.exe
        "C:\Users\Admin\AppData\LocalLow\cookieman.exe" /mode=read installiq.com
        3⤵
        • Executes dropped EXE
        PID:2568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\cookie.ini

    Filesize

    34B

    MD5

    3f4519b56cb1e006dfe4341e72112913

    SHA1

    0ff5675d359c898b6a6bdc1dff10f71097bc9927

    SHA256

    125adf4924899f2026436c0919853bb78b718c7cb6f2187148b01938b79388a2

    SHA512

    78c0961f0828f32032c643f0e6ab59d1ca8b96bb891a74b0b255e1a1a63a0c581f486e9e16b070399e6365d1fb53464eb2b723932480b41a2df5e9f1eb89ab40

  • C:\Users\Admin\AppData\LocalLow\cookieman.exe

    Filesize

    45KB

    MD5

    e7abfa4ef85624e68a312ac0f8c7ab80

    SHA1

    a6e5d5ce0e18f105b47f3fd3233ca7fc0617cef3

    SHA256

    2a847efb0b92366bc794198254e3fe62ba2da42ff93bec5154879d89385bff4d

    SHA512

    4dfc5e95f88d0241a2a3c3d42b6dc487c78cb185bed0ca559761721fa02e0fec83a5196df36dc5e95d0bc95ffc845a202d05acf5ff26d0a581eff5afe6b5d4e3

  • C:\Users\Admin\AppData\Local\Temp\pkg_4a27b70\autorun.txt

    Filesize

    126B

    MD5

    c9bcb14f4c82daaa740854bf474568f7

    SHA1

    1c874613c2a378366cd904242ae50deed1349189

    SHA256

    f3fe6e4b0bbf3bfa81f6cf456f8939dddbc69d9db0b369c6cd35eb3be042e17a

    SHA512

    2a89b72007028d8574dc6fd4872e0f1d5e011fd068e7844783af28a8aea2ae148d80cf0a0242e56e2daa74f1267e20bbcb5b1bb408c68cf96dcfa5741b3dbd92

  • C:\Users\Admin\AppData\Local\Temp\pkg_4a27b70\wrapper.xml

    Filesize

    798B

    MD5

    1d45a29e3511b982a1f91b33c70e964f

    SHA1

    176a47b489be3f27dc354a2b9dd0b580bb2f3904

    SHA256

    0a69c29fe16727b18425df8ded1cfe9d07a380b9f23f1beb32f60fefc000b3dc

    SHA512

    c574719f56a9cc0a3c393001f0774a5826afa5972906d9d9d214a183724a9f7226483a7181a0030e0f801b481a19957761efc170a10850aec786623eb939eb69