Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 12:26

General

  • Target

    e1a9f772e7f4700c0bf6488ff027433c.exe

  • Size

    116KB

  • MD5

    e1a9f772e7f4700c0bf6488ff027433c

  • SHA1

    5cd03cac6334952ba5091fe4f882f0e0a62ca625

  • SHA256

    12fb31b55c541639df31fb586588b8d30a6c8a0deeaa9020739c9f6598a875dd

  • SHA512

    18177634bf9719fc27f8d7498979a013f7dc2d19022b7cecf1a7fcefa4a560ad7f6d40af46119c1c3d5f1094cdae395dc132de422784f54cf3625b3a2bb34899

  • SSDEEP

    3072:SKcWmjRrz3N5vEGkrIwaLtqitghXhxpWOH6nJKkBLZ2:hGbw5wtqM+VCJKkBd2

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 4 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\e1a9f772e7f4700c0bf6488ff027433c.exe
    "C:\Users\Admin\AppData\Local\Temp\e1a9f772e7f4700c0bf6488ff027433c.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:2984
    • C:\Users\Admin\AppData\Local\Temp\ibWpamNChWOwDr4.exe
      C:\Users\Admin\AppData\Local\Temp\ibWpamNChWOwDr4.exe
      2⤵
      • Executes dropped EXE
      PID:2300
    • 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:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ibWpamNChWOwDr4.exe

    Filesize

    87KB

    MD5

    015207664f86b0d334146d7bc7551a0f

    SHA1

    b466beca074c3c4a500bfa00fd691cf0fe300d8c

    SHA256

    3212cacc4d669f381ad1048e43726ec2841de32135438992c55f792bf03beafc

    SHA512

    6ced0d294fd9c330cab20739336c6cd4c1e202d521fd41c6fd6bdfe7e720247c84ac10a7e25855d3cc9b08f2d9251798eb52383527a9363c5126a6b205ff0657

  • C:\Windows\CTS.exe

    Filesize

    29KB

    MD5

    70aa23c9229741a9b52e5ce388a883ac

    SHA1

    b42683e21e13de3f71db26635954d992ebe7119e

    SHA256

    9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

    SHA512

    be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

  • \Users\Admin\AppData\Local\Temp\ibWpamNChWOwDr4.exe

    Filesize

    64KB

    MD5

    12779b7c4d2c1c666b4350e406d7c85d

    SHA1

    1943f380de16790144e3ceafecaf6c26bcc3c74d

    SHA256

    689c6395d5591761837c4dcd8a4d961895b328133f7f87fbc426d70e48774e05

    SHA512

    d66729d0b0e431d683e8346f8178aa2b8f1ed711e037ae2b06e42399bcc842a22eb17c517f2e8208c8bdf2d0b1cdeff3abddb571598990cccf097dccc9be5160

  • memory/2148-15-0x0000000000C40000-0x0000000000C57000-memory.dmp

    Filesize

    92KB

  • memory/2984-0-0x0000000000C50000-0x0000000000C67000-memory.dmp

    Filesize

    92KB

  • memory/2984-13-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB

  • memory/2984-11-0x0000000000C50000-0x0000000000C67000-memory.dmp

    Filesize

    92KB

  • memory/2984-21-0x00000000000E0000-0x00000000000F7000-memory.dmp

    Filesize

    92KB