Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 18:48

General

  • Target

    Wiffle.exe

  • Size

    993KB

  • MD5

    8f8a92a532dadc1b18c0e00acf13c5c4

  • SHA1

    08ca73d684aacff6ed5d20fa389eacaa87ecc5b1

  • SHA256

    8230825616996b27eb6038c8a50d641f823388fa3b9e68a81b210e9fffb19ff9

  • SHA512

    9a3c06449756a86e2f6d066858945cd51c72ef11da117a6deec75a069ed98e5ccb4afb7d4a5d5b5e5104cf51315db1781284846b9acd67e144db054909f7b056

  • SSDEEP

    12288:6siFwjF/dKa+LhuikYEgciMKFnApF8T3glJQWPuQES4I+5jgrwiis:Fjs1ggciMKFApuTglmW23S4Hgre

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp8nl.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

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

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Wiffle.exe
    "C:\Users\Admin\AppData\Local\Temp\Wiffle.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Users\Admin\AppData\Local\Temp\Wiffle.exe
      "C:\Users\Admin\AppData\Local\Temp\Wiffle.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1944
  • 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=4092,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=3808 /prefetch:8
    1⤵
      PID:4272

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1944-7-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1944-14-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1944-13-0x00000000063E0000-0x000000000647C000-memory.dmp

      Filesize

      624KB

    • memory/1944-12-0x00000000062F0000-0x0000000006340000-memory.dmp

      Filesize

      320KB

    • memory/1944-10-0x00000000054B0000-0x0000000005516000-memory.dmp

      Filesize

      408KB

    • memory/1944-9-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/1944-8-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2760-3-0x0000000005010000-0x00000000050A2000-memory.dmp

      Filesize

      584KB

    • memory/2760-5-0x00000000052B0000-0x00000000052F8000-memory.dmp

      Filesize

      288KB

    • memory/2760-6-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2760-4-0x00000000050D0000-0x00000000050DA000-memory.dmp

      Filesize

      40KB

    • memory/2760-11-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2760-0-0x000000007493E000-0x000000007493F000-memory.dmp

      Filesize

      4KB

    • memory/2760-2-0x00000000054D0000-0x0000000005A74000-memory.dmp

      Filesize

      5.6MB

    • memory/2760-1-0x0000000000670000-0x000000000076E000-memory.dmp

      Filesize

      1016KB