Analysis

  • max time kernel
    160s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2024 15:22

General

  • Target

    469020fe523b56501719c21b4e4fe758.exe

  • Size

    111KB

  • MD5

    469020fe523b56501719c21b4e4fe758

  • SHA1

    95ad95e016588675f8b20f3022793eea8e780aa2

  • SHA256

    9e13e7b065685590079b74ff49da5e51a9faa72891a83cba86a569f5093f0ba0

  • SHA512

    1938840f6f1f30688d533fd599568a3fe124e7f250dbd767d319e14f59eb906ccf8e88bb927130ed30295e288a9151830a2035f077dddc61592e63260f6c6311

  • SSDEEP

    1536:s9Z3KcR4mjD9r8226++ioJSoYbEGacOaLDRqAboXaSlo07X5+a99eGu:sr3KcWmjRrzSV65YbCy/xb2yEML

Malware Config

Signatures

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

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

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\469020fe523b56501719c21b4e4fe758.exe
    "C:\Users\Admin\AppData\Local\Temp\469020fe523b56501719c21b4e4fe758.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2348
    • C:\Users\Admin\AppData\Local\Temp\0BNUCbCborNPGTz.exe
      C:\Users\Admin\AppData\Local\Temp\0BNUCbCborNPGTz.exe
      2⤵
      • Executes dropped EXE
      PID:2244
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\CTS.exe

    Filesize

    35KB

    MD5

    93e5f18caebd8d4a2c893e40e5f38232

    SHA1

    fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

    SHA256

    a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

    SHA512

    986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

  • \Users\Admin\AppData\Local\Temp\0BNUCbCborNPGTz.exe

    Filesize

    75KB

    MD5

    4289995bae5da5f7da6524fb33e4d630

    SHA1

    5886580b8202b5dec5c32da8fbf7dd2b501e7421

    SHA256

    a91f01f2ae1104ce8f69851a6f46e1ae807fbad16dec703dc7eba671d5bbe1a7

    SHA512

    7811593fae757af8c7bdd2592f6ef1ad50a7729b4bc8ec6e8678921f4af1b0e441502f3253252dff6ae033e2601ded1062c37d48017201033589c63cedf2579d

  • memory/2348-0-0x00000000008F0000-0x0000000000907000-memory.dmp

    Filesize

    92KB

  • memory/2348-12-0x00000000008F0000-0x0000000000907000-memory.dmp

    Filesize

    92KB

  • memory/2348-11-0x00000000001B0000-0x00000000001C7000-memory.dmp

    Filesize

    92KB

  • memory/2772-15-0x00000000001B0000-0x00000000001C7000-memory.dmp

    Filesize

    92KB