Analysis

  • max time kernel
    137s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 09:09

General

  • Target

    8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe

  • Size

    851KB

  • MD5

    65d33bde1b9e3d11e7b3ce0767fd22ec

  • SHA1

    bf2496621ae5c35c3ba4056af0290ba1104c7056

  • SHA256

    8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055

  • SHA512

    7b5ae1a98fbcf8196b9d8a4cd856e4bb7a8cfbc996ac9b792e8cfee2b670c76ab64ab7a478a7b142bdb03b86cacc803b984ebac302a095eff4f0cb10ff09a318

  • SSDEEP

    12288:0e2VXNGg3VBx6k/+Ac0ZXN07M8NHNOraQ5ZCKaGSTij9N/Uu49f2FSWuEz8/A1yp:0e2zsk55m7M8NH8RCAIu49O8jEA/G

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Password: )NYyffR0

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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe
    "C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.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:3920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe
      "C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe"
      2⤵
        PID:4112
      • C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe
        "C:\Users\Admin\AppData\Local\Temp\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8eadfc2a0f3dce9b786340417545bc64a10dbd32e8677bbcf61929df787d4055.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nidsj55a.n3d.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2464-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2464-16-0x0000000005160000-0x00000000051C6000-memory.dmp

      Filesize

      408KB

    • memory/2464-14-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/2464-64-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/2464-63-0x0000000006A80000-0x0000000006AD0000-memory.dmp

      Filesize

      320KB

    • memory/2464-18-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/2780-57-0x0000000007F20000-0x0000000007F3A000-memory.dmp

      Filesize

      104KB

    • memory/2780-20-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/2780-50-0x0000000008280000-0x00000000088FA000-memory.dmp

      Filesize

      6.5MB

    • memory/2780-55-0x0000000007E10000-0x0000000007E1E000-memory.dmp

      Filesize

      56KB

    • memory/2780-56-0x0000000007E20000-0x0000000007E34000-memory.dmp

      Filesize

      80KB

    • memory/2780-54-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

      Filesize

      68KB

    • memory/2780-53-0x0000000007E60000-0x0000000007EF6000-memory.dmp

      Filesize

      600KB

    • memory/2780-17-0x0000000002FD0000-0x0000000003006000-memory.dmp

      Filesize

      216KB

    • memory/2780-58-0x0000000007F00000-0x0000000007F08000-memory.dmp

      Filesize

      32KB

    • memory/2780-61-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/2780-19-0x0000000005B80000-0x00000000061A8000-memory.dmp

      Filesize

      6.2MB

    • memory/2780-28-0x0000000006220000-0x0000000006286000-memory.dmp

      Filesize

      408KB

    • memory/2780-21-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/2780-22-0x00000000059F0000-0x0000000005A12000-memory.dmp

      Filesize

      136KB

    • memory/2780-29-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/2780-52-0x0000000007C50000-0x0000000007C5A000-memory.dmp

      Filesize

      40KB

    • memory/2780-51-0x00000000079D0000-0x00000000079EA000-memory.dmp

      Filesize

      104KB

    • memory/2780-34-0x0000000006400000-0x0000000006754000-memory.dmp

      Filesize

      3.3MB

    • memory/2780-35-0x00000000068B0000-0x00000000068CE000-memory.dmp

      Filesize

      120KB

    • memory/2780-36-0x00000000068F0000-0x000000000693C000-memory.dmp

      Filesize

      304KB

    • memory/2780-48-0x0000000007860000-0x000000000787E000-memory.dmp

      Filesize

      120KB

    • memory/2780-38-0x0000000070270000-0x00000000702BC000-memory.dmp

      Filesize

      304KB

    • memory/2780-49-0x0000000007890000-0x0000000007933000-memory.dmp

      Filesize

      652KB

    • memory/2780-37-0x0000000007820000-0x0000000007852000-memory.dmp

      Filesize

      200KB

    • memory/3920-15-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-5-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-9-0x0000000006A80000-0x0000000006B04000-memory.dmp

      Filesize

      528KB

    • memory/3920-1-0x00000000005F0000-0x00000000006CA000-memory.dmp

      Filesize

      872KB

    • memory/3920-3-0x00000000050E0000-0x0000000005172000-memory.dmp

      Filesize

      584KB

    • memory/3920-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

      Filesize

      5.6MB

    • memory/3920-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

      Filesize

      4KB

    • memory/3920-10-0x0000000009050000-0x00000000090EC000-memory.dmp

      Filesize

      624KB

    • memory/3920-8-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/3920-7-0x00000000745FE000-0x00000000745FF000-memory.dmp

      Filesize

      4KB

    • memory/3920-6-0x0000000005380000-0x0000000005390000-memory.dmp

      Filesize

      64KB

    • memory/3920-4-0x0000000005290000-0x000000000529A000-memory.dmp

      Filesize

      40KB