Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 02:33

General

  • Target

    96d8f946d4ba59979608136ba3117652705bfdca1365f5e5b8a148fa5a601e11.exe

  • Size

    610KB

  • MD5

    61cb74f9764f2a8b455d79c4d3e5dcca

  • SHA1

    1708abba5ebd178c577bf8bd7cd2e88c83b1c201

  • SHA256

    96d8f946d4ba59979608136ba3117652705bfdca1365f5e5b8a148fa5a601e11

  • SHA512

    e8a1cf8d3ecffdbdc3c554bf0352e58a15d9a0fdf312bd3840dd472bc11fb5feba12c91833bcbee4f019bc6910e2c7119704b801af670f43b43a1132b0ade646

  • SSDEEP

    12288:u55xmaJeoR9pXCCfiahrO3KU17zcwlVPn0U4FiW2KriiZ/8xMna5W56w:GJVHga5O3KU1rf0LizKXZ/8Ot

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96d8f946d4ba59979608136ba3117652705bfdca1365f5e5b8a148fa5a601e11.exe
    "C:\Users\Admin\AppData\Local\Temp\96d8f946d4ba59979608136ba3117652705bfdca1365f5e5b8a148fa5a601e11.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Users\Admin\AppData\Local\Temp\96d8f946d4ba59979608136ba3117652705bfdca1365f5e5b8a148fa5a601e11.exe
      "C:\Users\Admin\AppData\Local\Temp\96d8f946d4ba59979608136ba3117652705bfdca1365f5e5b8a148fa5a601e11.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:876
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=3792 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1248

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/876-10-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/876-18-0x0000000006070000-0x00000000060C0000-memory.dmp
      Filesize

      320KB

    • memory/876-17-0x0000000005210000-0x0000000005220000-memory.dmp
      Filesize

      64KB

    • memory/876-16-0x00000000752D0000-0x0000000075A80000-memory.dmp
      Filesize

      7.7MB

    • memory/876-15-0x00000000053C0000-0x0000000005426000-memory.dmp
      Filesize

      408KB

    • memory/876-13-0x0000000005210000-0x0000000005220000-memory.dmp
      Filesize

      64KB

    • memory/876-11-0x00000000752D0000-0x0000000075A80000-memory.dmp
      Filesize

      7.7MB

    • memory/2620-4-0x0000000005290000-0x00000000052A0000-memory.dmp
      Filesize

      64KB

    • memory/2620-8-0x00000000066E0000-0x0000000006762000-memory.dmp
      Filesize

      520KB

    • memory/2620-9-0x0000000008D20000-0x0000000008DBC000-memory.dmp
      Filesize

      624KB

    • memory/2620-7-0x0000000005520000-0x000000000552C000-memory.dmp
      Filesize

      48KB

    • memory/2620-6-0x0000000005510000-0x0000000005522000-memory.dmp
      Filesize

      72KB

    • memory/2620-5-0x00000000052A0000-0x00000000052AA000-memory.dmp
      Filesize

      40KB

    • memory/2620-14-0x00000000752D0000-0x0000000075A80000-memory.dmp
      Filesize

      7.7MB

    • memory/2620-0-0x00000000752D0000-0x0000000075A80000-memory.dmp
      Filesize

      7.7MB

    • memory/2620-3-0x00000000050E0000-0x0000000005172000-memory.dmp
      Filesize

      584KB

    • memory/2620-2-0x0000000005590000-0x0000000005B34000-memory.dmp
      Filesize

      5.6MB

    • memory/2620-1-0x0000000000660000-0x00000000006FE000-memory.dmp
      Filesize

      632KB