Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2024 14:43

General

  • Target

    587c60135a92453e154c2b43cb769627.exe

  • Size

    3.6MB

  • MD5

    587c60135a92453e154c2b43cb769627

  • SHA1

    a72589522dad1f2e775bf0357be752b497887044

  • SHA256

    ededca3858ac217d88fae09e522be2ff721d86f146a37a01d0de98f7022ceaf6

  • SHA512

    db98a58d3ed52bb7cfc16ad763126bf2d91fc714b896e22f95026cb39f557e29e0eab87bd025ba6f17bb858e4ca94062516dd39e74b9fc4f6cb9a4d783443187

  • SSDEEP

    98304:xrdjMcy3IJfDBKmMiqn97P/M63hbP92xhDiy9:xr1OCfDdqn97Eobkx39

Malware Config

Signatures

  • Process spawned unexpected child process 15 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 7 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 15 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\587c60135a92453e154c2b43cb769627.exe
    "C:\Users\Admin\AppData\Local\Temp\587c60135a92453e154c2b43cb769627.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\KvyrV9xtqu.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2360
        • C:\Windows\system32\PING.EXE
          ping -n 10 localhost
          3⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:3668
        • C:\Users\Default User\lsass.exe
          "C:\Users\Default User\lsass.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2188
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Desktop\SppExtComObj.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2872
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Users\All Users\Desktop\SppExtComObj.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2328
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\Desktop\SppExtComObj.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4704
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4740
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2440
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4412
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\lsass.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1292
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\Default User\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4592
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:436
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Program Files\Microsoft Office\Updates\Download\PackageFiles\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4764
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Updates\Download\PackageFiles\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2936
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Office\Updates\Download\PackageFiles\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3148
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Defender\de-DE\taskhostw.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5048
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\de-DE\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1052
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Defender\de-DE\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Windows Defender\de-DE\taskhostw.exe

      Filesize

      3.6MB

      MD5

      587c60135a92453e154c2b43cb769627

      SHA1

      a72589522dad1f2e775bf0357be752b497887044

      SHA256

      ededca3858ac217d88fae09e522be2ff721d86f146a37a01d0de98f7022ceaf6

      SHA512

      db98a58d3ed52bb7cfc16ad763126bf2d91fc714b896e22f95026cb39f557e29e0eab87bd025ba6f17bb858e4ca94062516dd39e74b9fc4f6cb9a4d783443187

    • C:\Users\Admin\AppData\Local\Temp\KvyrV9xtqu.bat

      Filesize

      159B

      MD5

      9994aa55f5b801113dbe235d68f8136d

      SHA1

      222de2c5827f99c493d931f94aec705f7a27a044

      SHA256

      d6298f6c9d2a30992e72f7873ff358c68c9595b7e8e094882f47cc076bdcf2eb

      SHA512

      acbd64031ab6075e512ae58f701657cf50ce72798041e5bb41ce4515a9d1cb7528d2bd01e737a86c77da7112bcf2cb79d4e844c9273ea76d0709962e8264c62d

    • memory/1660-32-0x000000001D2A0000-0x000000001D7C8000-memory.dmp

      Filesize

      5.2MB

    • memory/1660-8-0x0000000002F80000-0x0000000002F9C000-memory.dmp

      Filesize

      112KB

    • memory/1660-6-0x0000000001600000-0x000000000160E000-memory.dmp

      Filesize

      56KB

    • memory/1660-34-0x000000001CCB0000-0x000000001CCBE000-memory.dmp

      Filesize

      56KB

    • memory/1660-9-0x000000001CCC0000-0x000000001CD10000-memory.dmp

      Filesize

      320KB

    • memory/1660-36-0x000000001CD10000-0x000000001CD1C000-memory.dmp

      Filesize

      48KB

    • memory/1660-13-0x000000001BA90000-0x000000001BAA8000-memory.dmp

      Filesize

      96KB

    • memory/1660-15-0x00000000016A0000-0x00000000016B0000-memory.dmp

      Filesize

      64KB

    • memory/1660-17-0x00000000016B0000-0x00000000016C0000-memory.dmp

      Filesize

      64KB

    • memory/1660-19-0x00000000016C0000-0x00000000016CE000-memory.dmp

      Filesize

      56KB

    • memory/1660-21-0x0000000002FA0000-0x0000000002FAC000-memory.dmp

      Filesize

      48KB

    • memory/1660-23-0x000000001CC90000-0x000000001CCA2000-memory.dmp

      Filesize

      72KB

    • memory/1660-25-0x000000001CC70000-0x000000001CC7C000-memory.dmp

      Filesize

      48KB

    • memory/1660-27-0x000000001CC80000-0x000000001CC90000-memory.dmp

      Filesize

      64KB

    • memory/1660-29-0x000000001CD30000-0x000000001CD46000-memory.dmp

      Filesize

      88KB

    • memory/1660-31-0x000000001CD50000-0x000000001CD62000-memory.dmp

      Filesize

      72KB

    • memory/1660-0-0x0000000000950000-0x0000000000CFA000-memory.dmp

      Filesize

      3.7MB

    • memory/1660-4-0x0000000001670000-0x0000000001696000-memory.dmp

      Filesize

      152KB

    • memory/1660-11-0x0000000001610000-0x0000000001620000-memory.dmp

      Filesize

      64KB

    • memory/1660-38-0x000000001CD20000-0x000000001CD30000-memory.dmp

      Filesize

      64KB

    • memory/1660-40-0x000000001CD70000-0x000000001CD80000-memory.dmp

      Filesize

      64KB

    • memory/1660-42-0x000000001CDE0000-0x000000001CE3A000-memory.dmp

      Filesize

      360KB

    • memory/1660-44-0x000000001CD80000-0x000000001CD8E000-memory.dmp

      Filesize

      56KB

    • memory/1660-46-0x000000001CD90000-0x000000001CDA0000-memory.dmp

      Filesize

      64KB

    • memory/1660-48-0x000000001CDA0000-0x000000001CDAE000-memory.dmp

      Filesize

      56KB

    • memory/1660-50-0x000000001D040000-0x000000001D058000-memory.dmp

      Filesize

      96KB

    • memory/1660-52-0x000000001CDB0000-0x000000001CDBC000-memory.dmp

      Filesize

      48KB

    • memory/1660-54-0x000000001D0B0000-0x000000001D0FE000-memory.dmp

      Filesize

      312KB

    • memory/1660-2-0x00007FF9B9FF0000-0x00007FF9BA0F0000-memory.dmp

      Filesize

      1024KB

    • memory/1660-70-0x000000001DAD0000-0x000000001DB9D000-memory.dmp

      Filesize

      820KB

    • memory/1660-72-0x00007FF9B9FF0000-0x00007FF9BA0F0000-memory.dmp

      Filesize

      1024KB

    • memory/1660-71-0x000000001DBA0000-0x000000001DC49000-memory.dmp

      Filesize

      676KB

    • memory/1660-1-0x00007FF9B9FF0000-0x00007FF9BA0F0000-memory.dmp

      Filesize

      1024KB

    • memory/2188-102-0x000000001D200000-0x000000001D2CD000-memory.dmp

      Filesize

      820KB

    • memory/2188-103-0x000000001D2D0000-0x000000001D379000-memory.dmp

      Filesize

      676KB