Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 02:29

General

  • Target

    dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe

  • Size

    798KB

  • MD5

    7b6a358d5eee6bd500984670ac90640b

  • SHA1

    b2863960feb24a1225d7fb9cb149c5d0a112fb21

  • SHA256

    dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa

  • SHA512

    f4b96e96af3922ea45c8b3e611686e3eb5a7cc037e93e390a3bb3774eb77d5f0d79ed5686ab63643d5e4c888660e2af61a57f114413d1b320f3f4ebaeb3644dd

  • SSDEEP

    12288:f4dNXYyCK2xrOoD2H7ySHcjkKoEz5WQLRCGbvNILt8rSBoLoD5S2iqrubK:gHoyC5D2GSODLdL9fvNILoSfS2a2

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
  • 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.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 3 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\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe
    "C:\Users\Admin\AppData\Local\Temp\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3144
    • 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\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1696
    • C:\Users\Admin\AppData\Local\Temp\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe
      "C:\Users\Admin\AppData\Local\Temp\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1556
  • 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 --field-trial-handle=4068,i,1809100026287847100,9768898026582633513,262144 --variations-seed-version --mojo-platform-channel-handle=3808 /prefetch:8
    1⤵
      PID:1492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dc87604f1d5dc29d3aab245b6384d1886819e53b48118bbcf8df9fdb1b58dcaa.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3lrdzhq1.23i.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1556-10-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1556-63-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/1556-61-0x0000000006BE0000-0x0000000006C30000-memory.dmp

      Filesize

      320KB

    • memory/1556-62-0x0000000006E00000-0x0000000006FC2000-memory.dmp

      Filesize

      1.8MB

    • memory/1556-18-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/1556-16-0x0000000005710000-0x0000000005776000-memory.dmp

      Filesize

      408KB

    • memory/1556-13-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/1696-49-0x0000000007BC0000-0x000000000823A000-memory.dmp

      Filesize

      6.5MB

    • memory/1696-52-0x0000000007800000-0x0000000007896000-memory.dmp

      Filesize

      600KB

    • memory/1696-22-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/1696-60-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/1696-57-0x00000000078A0000-0x00000000078A8000-memory.dmp

      Filesize

      32KB

    • memory/1696-56-0x00000000078C0000-0x00000000078DA000-memory.dmp

      Filesize

      104KB

    • memory/1696-15-0x0000000004C80000-0x0000000004CB6000-memory.dmp

      Filesize

      216KB

    • memory/1696-28-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/1696-19-0x0000000005400000-0x0000000005A28000-memory.dmp

      Filesize

      6.2MB

    • memory/1696-55-0x00000000077C0000-0x00000000077D4000-memory.dmp

      Filesize

      80KB

    • memory/1696-21-0x0000000005A30000-0x0000000005A96000-memory.dmp

      Filesize

      408KB

    • memory/1696-20-0x00000000052A0000-0x00000000052C2000-memory.dmp

      Filesize

      136KB

    • memory/1696-54-0x00000000077B0000-0x00000000077BE000-memory.dmp

      Filesize

      56KB

    • memory/1696-53-0x0000000007780000-0x0000000007791000-memory.dmp

      Filesize

      68KB

    • memory/1696-17-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/1696-33-0x0000000005C50000-0x0000000005FA4000-memory.dmp

      Filesize

      3.3MB

    • memory/1696-34-0x0000000006260000-0x000000000627E000-memory.dmp

      Filesize

      120KB

    • memory/1696-35-0x00000000062A0000-0x00000000062EC000-memory.dmp

      Filesize

      304KB

    • memory/1696-36-0x0000000006820000-0x0000000006852000-memory.dmp

      Filesize

      200KB

    • memory/1696-37-0x0000000070B10000-0x0000000070B5C000-memory.dmp

      Filesize

      304KB

    • memory/1696-47-0x0000000006880000-0x000000000689E000-memory.dmp

      Filesize

      120KB

    • memory/1696-48-0x0000000007460000-0x0000000007503000-memory.dmp

      Filesize

      652KB

    • memory/1696-50-0x0000000007580000-0x000000000759A000-memory.dmp

      Filesize

      104KB

    • memory/1696-51-0x00000000075F0000-0x00000000075FA000-memory.dmp

      Filesize

      40KB

    • memory/3144-2-0x0000000005170000-0x0000000005714000-memory.dmp

      Filesize

      5.6MB

    • memory/3144-9-0x00000000061D0000-0x0000000006242000-memory.dmp

      Filesize

      456KB

    • memory/3144-4-0x0000000004B60000-0x0000000004B6A000-memory.dmp

      Filesize

      40KB

    • memory/3144-5-0x0000000004E40000-0x0000000004EDC000-memory.dmp

      Filesize

      624KB

    • memory/3144-6-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/3144-7-0x0000000005140000-0x000000000515A000-memory.dmp

      Filesize

      104KB

    • memory/3144-14-0x0000000074E90000-0x0000000075640000-memory.dmp

      Filesize

      7.7MB

    • memory/3144-8-0x0000000005160000-0x0000000005170000-memory.dmp

      Filesize

      64KB

    • memory/3144-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

      Filesize

      4KB

    • memory/3144-1-0x00000000000B0000-0x000000000017E000-memory.dmp

      Filesize

      824KB

    • memory/3144-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp

      Filesize

      584KB