Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    27/07/2024, 21:54

General

  • Target

    4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe

  • Size

    4.0MB

  • MD5

    81707fcfdb64a656c89fd031967cff4c

  • SHA1

    64f9caa0ef50532aa469d64f0c156e5219b14a27

  • SHA256

    4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2

  • SHA512

    bd9040c53a6555b0a605dd625b767773dd098a2fb5bb0b9514e52657624b27998f4334d5cb16640657c9f524dd12a09367a439b0cb832ebe5c4b82c868fafaa3

  • SSDEEP

    98304:NkWnR8/Dl1Pwmel2OlvLuKvm/DNrOcmmMLCH5FVsk2Z9yW4fl9DdI:ILnPwm4FlT5oDNCcmzLCpn2ZGfXS

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe
    "C:\Users\Admin\AppData\Local\Temp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\is-DPJUJ.tmp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DPJUJ.tmp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp" /SL5="$401AE,3950523,54272,C:\Users\Admin\AppData\Local\Temp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe
        "C:\Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2880
      • C:\Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe
        "C:\Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\is-DPJUJ.tmp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp

    Filesize

    692KB

    MD5

    9b4f9ec7acaa0201282f5bb6fc15978b

    SHA1

    50aae7d705db9c1ae5bb2b1f4c9317354cc04556

    SHA256

    bc85afd449745aed63029469eec4cc92683dc7645c8ef79cd2dd6ea2fc426916

    SHA512

    ca4ef38cd8f79dc87b5492a9336c716587921e7123728046c802ec90386d9da9c1d1b8df45248aa191286c5fdb99e70dbd7205844c93715a26657ec7bf92918d

  • \Users\Admin\AppData\Local\Temp\is-F8EN1.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-F8EN1.tmp\_isetup\_isdecmp.dll

    Filesize

    19KB

    MD5

    3adaa386b671c2df3bae5b39dc093008

    SHA1

    067cf95fbdb922d81db58432c46930f86d23dded

    SHA256

    71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

    SHA512

    bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

  • \Users\Admin\AppData\Local\Temp\is-F8EN1.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe

    Filesize

    3.0MB

    MD5

    6425c5115ab10d9fb7b66f5e28bc35ac

    SHA1

    8d3dbb3d907be967ea9224ceb1455654b2608600

    SHA256

    bd3caf196897d119c36af9a03ed19e552cdfef2818d21c6c8e59d9da5a09f8ee

    SHA512

    b292d22b100fdd61e1f1cdce7b75cfbb4dfad8a5242a87df61a551c6ef13f3d442002640f3cad3f3940cb9580309aa11a85af00cad456f74f0a7536ae0cce8e5

  • memory/672-68-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-88-0x0000000002250000-0x00000000022F2000-memory.dmp

    Filesize

    648KB

  • memory/672-112-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-109-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-106-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-103-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-100-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-97-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-94-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-87-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-72-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-75-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-78-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-81-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/672-84-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2020-8-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2020-62-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/2020-59-0x0000000004DF0000-0x00000000050F9000-memory.dmp

    Filesize

    3.0MB

  • memory/2508-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2508-61-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2508-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2880-66-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2880-63-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2880-60-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB