Analysis

  • max time kernel
    127s
  • max time network
    157s
  • 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 19:45

General

  • Target

    d8ecc17a35277af19be6e71d76b00d10_JaffaCakes118.exe

  • Size

    663KB

  • MD5

    d8ecc17a35277af19be6e71d76b00d10

  • SHA1

    1e3f94c205f076882ff0ae00c3bc506c29ad722b

  • SHA256

    ff55a325bc1ebf9ab3c1d988801018b36ae2cf27d02bb8207134298994781093

  • SHA512

    6da749276437277f5088947688a13d69fa07980ac9760f26cb54003884ef16501ca5c28ae2de04f8b81686bc4f5526a0bda6a6674e11fb90a12861159f549b14

  • SSDEEP

    12288:6BmKMK/naA4/GM7iK2kp0/Y4RElv7voWLuHzLJR9R+qZ+ZsmR+ETyfhp1fUpxdQW:kmKX/aAXKh0/Y4R6o3H3JR9RtQt

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • 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.

  • 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.

  • 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d8ecc17a35277af19be6e71d76b00d10_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d8ecc17a35277af19be6e71d76b00d10_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:3492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DGnPqaoAJRgjd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp28FF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3296
    • C:\Users\Admin\AppData\Local\Temp\d8ecc17a35277af19be6e71d76b00d10_JaffaCakes118.exe
      "{path}"
      2⤵
        PID:4232
      • C:\Users\Admin\AppData\Local\Temp\d8ecc17a35277af19be6e71d76b00d10_JaffaCakes118.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2228

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d8ecc17a35277af19be6e71d76b00d10_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\tmp28FF.tmp

      Filesize

      1KB

      MD5

      40c283c5580a1df832da78d578dffdbe

      SHA1

      23ed9715df5f5a135f75af84bdd1a91b473961fb

      SHA256

      989e3ba4a236d3a6a1e3da75d96d5cf732c12e0e067b061072b732b0f5400c86

      SHA512

      d4d4a0a6be9e67a517ab3785d93f0efd732f3ae513ad9758cf0984e656bd3f56ab84aaf43ef424f87f82d6b6a6fac148b7f2fc1220f1895497135131599909be

    • memory/2228-19-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-26-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-25-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-24-0x00000000064D0000-0x0000000006520000-memory.dmp

      Filesize

      320KB

    • memory/2228-23-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-22-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/2228-20-0x0000000005390000-0x00000000053A8000-memory.dmp

      Filesize

      96KB

    • memory/2228-21-0x0000000005F50000-0x0000000005FB6000-memory.dmp

      Filesize

      408KB

    • memory/2228-14-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2228-17-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/3492-6-0x0000000007C50000-0x0000000007CEC000-memory.dmp

      Filesize

      624KB

    • memory/3492-18-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/3492-10-0x00000000067D0000-0x0000000006860000-memory.dmp

      Filesize

      576KB

    • memory/3492-9-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/3492-8-0x00000000753BE000-0x00000000753BF000-memory.dmp

      Filesize

      4KB

    • memory/3492-7-0x0000000005410000-0x0000000005418000-memory.dmp

      Filesize

      32KB

    • memory/3492-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

      Filesize

      4KB

    • memory/3492-5-0x0000000005270000-0x000000000527A000-memory.dmp

      Filesize

      40KB

    • memory/3492-4-0x00000000753B0000-0x0000000075B60000-memory.dmp

      Filesize

      7.7MB

    • memory/3492-3-0x00000000052B0000-0x0000000005342000-memory.dmp

      Filesize

      584KB

    • memory/3492-2-0x0000000005930000-0x0000000005ED4000-memory.dmp

      Filesize

      5.6MB

    • memory/3492-1-0x00000000007F0000-0x000000000089C000-memory.dmp

      Filesize

      688KB