Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 19:29

General

  • Target

    25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe

  • Size

    96KB

  • MD5

    37c846c8435b49b4fad2807f1898cbe7

  • SHA1

    c367f65733eb7c1af7c2ceb2c70484a330300930

  • SHA256

    25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66

  • SHA512

    3977391fd7126cdcbd25405f0824a754c80e9b0911cdb224f5c4e900b11cea02d738303475f0c3f0eea71c333fa128df951495cccd2d6181f7366bc89d0fa794

  • SSDEEP

    1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTQ7a/ENNox+0h1Gg8ol:ZhpAyazIlyazTeND0/Xl

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 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
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe
    "C:\Users\Admin\AppData\Local\Temp\25389f99c8da6503e094dac9215eb5f71d868e3df51b41aa37149c57ef973d66.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\q8hnreN8HYDi1Ym.exe
      C:\Users\Admin\AppData\Local\Temp\q8hnreN8HYDi1Ym.exe
      2⤵
      • Executes dropped EXE
      PID:3812
    • 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:4468

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

          Filesize

          394KB

          MD5

          4e9af261ec59b19993c7632ac239c866

          SHA1

          1f67f97062aa8fe8fbd4733ca8bfe016b6987020

          SHA256

          083195240ea335e8825cc6429431c3635a41fd97a96dbf7d8b23fd1921c327b1

          SHA512

          4baf0ce5f7e4991331c69af061818aabb2224c45fc7111c40db44e12c44f316ffb882832f220b53f140314a984adcf831e267505cf4b7f6deb3718126d437d5c

        • C:\Users\Admin\AppData\Local\Temp\q8hnreN8HYDi1Ym.exe

          Filesize

          25KB

          MD5

          abbd49c180a2f8703f6306d6fa731fdc

          SHA1

          d63f4bfe7f74936b2fbace803e3da6103fbf6586

          SHA256

          5f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1

          SHA512

          290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9

        • C:\Windows\CTS.exe

          Filesize

          71KB

          MD5

          66df4ffab62e674af2e75b163563fc0b

          SHA1

          dec8a197312e41eeb3cfef01cb2a443f0205cd6e

          SHA256

          075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

          SHA512

          1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

        • memory/3812-8-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB