Overview

overview

10

Static

static

10

99aa947feb...71.exe

windows7-x64

9

99aa947feb...71.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/04/2024, 00:19

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General

  • Target

    99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe

  • Size

    932KB

  • MD5

    f83aa17a8752d52050ead47627c171db

  • SHA1

    f9241be5d887ddee4e79f7a7435a6f4a78867134

  • SHA256

    99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771

  • SHA512

    cf9375f3b82d09160a2a32ba6f494ae136bfd0b8025854d43d0a82b69c975b850d492deba090d59826393dc2479519241e7e2519ca7dba9d6cc585882de706ff

  • SSDEEP

    24576:bHATq4Em7RBZGu/mY32JyN3UDyk7GR+S5BsxIGVtQ:jATgmfZGu/mY6zByMKOQ

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 2 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 5 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe
    "C:\Users\Admin\AppData\Local\Temp\99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Users\Admin\AppData\Local\Temp\99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe
      "C:\Users\Admin\AppData\Local\Temp\99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Users\Admin\AppData\Local\Temp\99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe
        "C:\Users\Admin\AppData\Local\Temp\99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2444
    • C:\Users\Admin\AppData\Local\Temp\99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe
      "C:\Users\Admin\AppData\Local\Temp\99aa947feb0ceab95984ab27a57dd64a861632b454539bd17b164e1e62145771.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\american nude lingerie hot (!) feet redhair (Curtney).rar.exe
          Filesize

          1.6MB

          MD5

          d33ba2c421ba7e729331d8edee18c869

          SHA1

          d30358d41e2fd3905730030fe7b40ff12dcdf56c

          SHA256

          ff2f6b196e7db0856c815b277ed795c6a8c54f811c349352bf3d3e36b9e048b4

          SHA512

          03d13cd7f7c9a53a6a8a1ea7f2a06897e9c8e4af41957317190dcb086af834862562e9b01d9bf7f3deb29b7eef3fa8be84cf5b29bd05c2afa90c8645d2cb1b8d

          Download Submit

        • memory/2056-0-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/2056-14-0x0000000004BC0000-0x0000000004BE9000-memory.dmp

          Filesize

          164KB

          Download

        • memory/2444-60-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/2464-61-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/2520-15-0x0000000000400000-0x0000000000429000-memory.dmp

          Filesize

          164KB

          Download

        • memory/2520-59-0x0000000004930000-0x0000000004959000-memory.dmp

          Filesize

          164KB

          Download