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Overview

overview

10

Static

static

10

ff91001ef2...66.exe

windows7-x64

9

ff91001ef2...66.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/03/2024, 01:00

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General

  • Target

    ff91001ef2853c17052d86b1d0f9469086e7bf7ef28f4bb4a39042ab42d8c966.exe

  • Size

    2.0MB

  • MD5

    352f1cf7fce68112687c09346bf100d5

  • SHA1

    6c113f3977f132bf7e932fb706db2ff2859de5e1

  • SHA256

    ff91001ef2853c17052d86b1d0f9469086e7bf7ef28f4bb4a39042ab42d8c966

  • SHA512

    de2b1cf91d6f5d6b58ff47bb2b2f518228c6999bee021fa60f8676e29d4e0a1b8d73aa865aea9759730acf003edeff0aaf9281945bc530636d3eb52356779e0f

  • SSDEEP

    49152:BO0umU+9cxGHBJ+hvueIDpMXkLMU0XqcWTeLEY:VumUGcx0WvqDB4U0Xqc8wEY

Score
9/10
persistencespywarestealer

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • 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).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff91001ef2853c17052d86b1d0f9469086e7bf7ef28f4bb4a39042ab42d8c966.exe
    "C:\Users\Admin\AppData\Local\Temp\ff91001ef2853c17052d86b1d0f9469086e7bf7ef28f4bb4a39042ab42d8c966.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:2004
    • C:\Users\Admin\AppData\Local\Temp\ff91001ef2853c17052d86b1d0f9469086e7bf7ef28f4bb4a39042ab42d8c966.exe
      "C:\Users\Admin\AppData\Local\Temp\ff91001ef2853c17052d86b1d0f9469086e7bf7ef28f4bb4a39042ab42d8c966.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2140
      • C:\Users\Admin\AppData\Local\Temp\ff91001ef2853c17052d86b1d0f9469086e7bf7ef28f4bb4a39042ab42d8c966.exe
        "C:\Users\Admin\AppData\Local\Temp\ff91001ef2853c17052d86b1d0f9469086e7bf7ef28f4bb4a39042ab42d8c966.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 644
      2⤵
      • Program crash
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\xxx several models (Sarah).mpeg.exe
    Filesize

    708KB

    MD5

    6e429a952ec4475b9dbac249a7c42576

    SHA1

    94805fa1937e4178ace8e3743e83e9e710d7e1ed

    SHA256

    cadbb985ce3ea9e1f168887176da78c9883e701dbbcff468ac2e3b2d174ab1f8

    SHA512

    2d3f42a6c1c270faf9c8676eb8f5a74bd39d5421d578756849aab955a653e4f1cb40ed3216ac629199ba301d26c2f81604b18706dbb1a25b93a052daca5fd01a

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  • C:\debug.txt
    Filesize

    183B

    MD5

    80bcab22b11b405998af162aaa855537

    SHA1

    a62e8e4c5661ec30ce086eb1589a7a354d26cf6a

    SHA256

    dc07b1d957d5797aa957b70f98d93128a057b351c6733321eea49f91cf1968ab

    SHA512

    03db0393c1d9b3cd45bf61714f6fc5831f2d8bff532d8c387cc74dc6412745588bd205bcd677e9433466bf4fc0cf0b7f29e99588de9b028cd63323c74f38249f

    Download Submit