Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2024 07:58

General

  • Target

    d829c94c63123548845322313342b151d270babcf7ca202da1f56df91dd41545N.exe

  • Size

    2.3MB

  • MD5

    fa8b2326111816fd9a0da8705153df40

  • SHA1

    d3968c0bf03a4a9ecf92efc393a4f7be2484cac3

  • SHA256

    d829c94c63123548845322313342b151d270babcf7ca202da1f56df91dd41545

  • SHA512

    5dc349359c52a2f18b9157be02affb5c28e5f54ef40787f40beae8ff6810cda6e117011be7bd4def9f68b90729c2b30277993f061eaf919a8f50c3002a9c1a95

  • SSDEEP

    49152:G0jzvpeMGqK6B9p4MXueBNze9AEbirXVTca/38EufFz:RvpeMw8p4gX/ze9AZD3Lufp

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d829c94c63123548845322313342b151d270babcf7ca202da1f56df91dd41545N.exe
    "C:\Users\Admin\AppData\Local\Temp\d829c94c63123548845322313342b151d270babcf7ca202da1f56df91dd41545N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Users\Admin\AppData\Local\Temp\5w2o7MIpxS0Oflk.exe
      C:\Users\Admin\AppData\Local\Temp\5w2o7MIpxS0Oflk.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Users\Admin\AppData\Local\Temp\jds259437618.tmp\5w2o7MIpxS0Oflk.exe
        "C:\Users\Admin\AppData\Local\Temp\jds259437618.tmp\5w2o7MIpxS0Oflk.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        • Suspicious use of SetWindowsHookEx
        PID:2804
    • 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:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\jds259437618.tmp\5w2o7MIpxS0Oflk.exe

    Filesize

    1.9MB

    MD5

    a05dbfbe3a88017f1ec5b2abf96ed0ad

    SHA1

    7ee98080fe870e6be5828ab4d82982367532ddb3

    SHA256

    8b73184c395fac04d2dcb40244430a9b9d4e3094a06d8a4d129435e00f147171

    SHA512

    5a600c2984c761b34e1aacaa73c8e6848bdc488a9582c8f30076f883644a93455fc9f57a9bb142ae8607df2e2ef02522e797712ab35a957238865820a115457a

  • C:\Users\Admin\AppData\Local\Temp\jusched.log

    Filesize

    2KB

    MD5

    2bc00e5b1b528f8c7036a0b77f1aa79b

    SHA1

    76b248d352a6b5691307b51ed5362cffa0e0ab96

    SHA256

    d46490ab3d368d54612637cca064bf3501f60849b2d3fc44150abffe0cdf6a3e

    SHA512

    1f95a69af79d052b3e324333e5a87bbed30922ee93816b10f666b2415295c85239f9a90a4f2a9fd4373e5d9f7562445138c80b53706ed9c04fc7a8c5a2c40b95

  • C:\Users\Admin\AppData\Local\Temp\jusched.log

    Filesize

    3KB

    MD5

    4b8358fdc0f13fdc9e29ed0e9810d698

    SHA1

    7906a5735972505d1ed0bed7199d22df1df10678

    SHA256

    3f7c2290b45ba76b27e74fa4bc441dbfa85b45c58d93db9191a62597ef4cfc65

    SHA512

    00acf3669ed8086cfb52c6ea1767328d290ccc1770fa1341f6962210c6404193c816d0bdf6688bcfa8a5d83f1808d69412f6b02131c78c99b90a967480392548

  • C:\Users\Admin\AppData\Local\Temp\jusched.log

    Filesize

    5KB

    MD5

    01aea9591f5a06826ece046d86cbdf2e

    SHA1

    b082dafd31a247d8f0ab4278b4436b3cea6d60da

    SHA256

    85d02cfcabf03795a73dd157b30390a94f89886d7ba311ff582e4b202b3f4faf

    SHA512

    18c0d0742aef800424ed43881bff902ccbf705453daff7b1873f3ba9dfd9d1c0ff3883f3498fc28e476fac58ccb0983adf51e9d7a8bd426f7359b66ff3dd4864

  • C:\Windows\CTS.exe

    Filesize

    86KB

    MD5

    0f736d30fbdaebed364c4cd9f084e500

    SHA1

    d7e96b736463af4b3edacd5cc5525cb70c593334

    SHA256

    431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

    SHA512

    570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566

  • \Users\Admin\AppData\Local\Temp\5w2o7MIpxS0Oflk.exe

    Filesize

    2.2MB

    MD5

    d6d7f90978a6aa6a4bb1eaa53154881d

    SHA1

    9a2e8a8464bf5b28229faea669f2ae6d6a0973d2

    SHA256

    5cb03fddbe1e55a14282171eb4768a8cffa1d12a7123a63caba364c8f5495a54

    SHA512

    ff8190d9fdc1cee5838c31808bf347af089624c9fe971c10fe8cecfd39a6cafde13dfc82694184e854e9e734d66ae1f0a961fcef4afd8b2740eb2c6afbf51e06