Analysis

  • max time kernel
    131s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 16:04

General

  • Target

    f2a05386e5d5ad4ad30631fc7006d923_JaffaCakes118.exe

  • Size

    857KB

  • MD5

    f2a05386e5d5ad4ad30631fc7006d923

  • SHA1

    d074dcfee8e47dbcbb28d0f7a61a866a8c1e59e2

  • SHA256

    fbfc60ce3fe47059c5b6eae9a8f20872e16d4697873853f4f224f042f321d042

  • SHA512

    9d4a8e32a7f789e8f99f15ad8629f20e9ab67c9dbe528c5eb1d25645e299f347be33b3f57b5c7da49454488997220d23c216e8167a738e585ebd0b5e6ba981d3

  • SSDEEP

    24576:7yBnjP6+UFJcYqnAeCD4EfYNM876tLjhRCV:uiJQVCBQNpczCV

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2a05386e5d5ad4ad30631fc7006d923_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f2a05386e5d5ad4ad30631fc7006d923_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dNWquia" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBED6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:348
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:428
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4264,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
    1⤵
      PID:4548

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpBED6.tmp

      Filesize

      1KB

      MD5

      539813cf6165eda20df7e78873b1fc5e

      SHA1

      3f3155bac28fa1647745842e823a8bf7cf23a72b

      SHA256

      4ef74e29f662b1d09e357fb50fa4c47ed19eb2fb9324fd84fc32e4d19fbaac38

      SHA512

      9ceb9645cc3252dd9fc072795bc7682745e8edab53d2e08780c3f04feef2dc82f2764056a2a085c473a01d8a9dba547585e92e55b89c3547e9d87b985d45f3ea

    • memory/404-14-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/404-1-0x0000000000160000-0x000000000023C000-memory.dmp

      Filesize

      880KB

    • memory/404-2-0x0000000004BB0000-0x0000000004C4C000-memory.dmp

      Filesize

      624KB

    • memory/404-3-0x0000000000D30000-0x0000000000D42000-memory.dmp

      Filesize

      72KB

    • memory/404-4-0x0000000004D60000-0x0000000004DF2000-memory.dmp

      Filesize

      584KB

    • memory/404-5-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

      Filesize

      4KB

    • memory/404-6-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/404-7-0x0000000005470000-0x000000000550A000-memory.dmp

      Filesize

      616KB

    • memory/404-8-0x0000000007990000-0x0000000007A22000-memory.dmp

      Filesize

      584KB

    • memory/404-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

      Filesize

      4KB

    • memory/428-12-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/428-15-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/428-16-0x0000000005DE0000-0x0000000006384000-memory.dmp

      Filesize

      5.6MB

    • memory/428-17-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/428-18-0x0000000005800000-0x0000000005818000-memory.dmp

      Filesize

      96KB

    • memory/428-19-0x0000000006740000-0x00000000067A6000-memory.dmp

      Filesize

      408KB

    • memory/428-20-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/428-21-0x0000000074A20000-0x00000000751D0000-memory.dmp

      Filesize

      7.7MB

    • memory/428-22-0x0000000006900000-0x0000000006950000-memory.dmp

      Filesize

      320KB

    • memory/428-23-0x0000000005DD0000-0x0000000005DDA000-memory.dmp

      Filesize

      40KB