Analysis

  • max time kernel
    143s
  • 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
    12-06-2024 01:38

General

  • Target

    8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe

  • Size

    712KB

  • MD5

    2eb9741462ba922893fbfb57e039cde2

  • SHA1

    690a649aae90aa2f941e6bebd24d65a77794d483

  • SHA256

    8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186

  • SHA512

    3ec3e262296a4fade2ee817c9996426506f5eeb4236916a76462bd7a34f2276535aca516860264b38a3319b6a9b98b43a073ab3ba0114f4abc68e51dd394c9a0

  • SSDEEP

    12288:tX0pxcV36Di8BtLij39aNYC3ji09SSglOsEtP3TpvbelYeu+jhxJmn+tC:hBFKUpMYAjf9yOsEl3TNelYRehxJP

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe
    "C:\Users\Admin\AppData\Local\Temp\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3780
    • 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\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5104
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nsVJycmpjslUz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nsVJycmpjslUz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp21CB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2320
    • C:\Users\Admin\AppData\Local\Temp\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe
      "C:\Users\Admin\AppData\Local\Temp\8fa8baa69a115618025f4e426dca60191ba592af3ef3762a9dd711d0ae6b2186.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4408
  • 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=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=3900 /prefetch:8
    1⤵
      PID:3300

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      39f0a887929792c946908657a6c02691

      SHA1

      9b1272b5e5c702df9100da2e9b861b6fc916dfce

      SHA256

      f09e5f5086163530c516d5b2513c798c6008600136582325af58809a0fa174a8

      SHA512

      833d2407649b302f21d3df4d9a31e868ec6cc7043790f4427cce423fc928ee79bdae6e6c7740df58e761bf0875e0ac4259f7b935645b4e48c7001628e9228a84

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lzyd0av1.kc5.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp21CB.tmp

      Filesize

      1KB

      MD5

      63e241fd81fe33e85c491a8a7edbc60f

      SHA1

      36b8ae81b0d4efa294d3b44a58fde29d62878227

      SHA256

      aa7bec0cc99387f0a95da99e00f440826805547cabfe0e362d77c17102871553

      SHA512

      0cd0a37eecc50bf6ba4ac7f3035aeb4346b310b7fc2a4c65f37d7efd61ec657bd7aaeec313b49280e45fd4b3191e19cbca92753e54b5c862f0d213f6110935ea

    • memory/3244-77-0x0000000007920000-0x0000000007931000-memory.dmp

      Filesize

      68KB

    • memory/3244-88-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-63-0x0000000074F20000-0x0000000074F6C000-memory.dmp

      Filesize

      304KB

    • memory/3244-73-0x0000000007D70000-0x00000000083EA000-memory.dmp

      Filesize

      6.5MB

    • memory/3244-44-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-24-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/3244-18-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/3780-9-0x0000000008550000-0x00000000085EC000-memory.dmp

      Filesize

      624KB

    • memory/3780-0-0x000000007467E000-0x000000007467F000-memory.dmp

      Filesize

      4KB

    • memory/3780-4-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/3780-3-0x0000000005940000-0x00000000059D2000-memory.dmp

      Filesize

      584KB

    • memory/3780-2-0x0000000005FE0000-0x0000000006584000-memory.dmp

      Filesize

      5.6MB

    • memory/3780-5-0x0000000005930000-0x000000000593A000-memory.dmp

      Filesize

      40KB

    • memory/3780-48-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/3780-8-0x0000000006E40000-0x0000000006EC2000-memory.dmp

      Filesize

      520KB

    • memory/3780-7-0x0000000005BD0000-0x0000000005BE0000-memory.dmp

      Filesize

      64KB

    • memory/3780-1-0x0000000000FC0000-0x0000000001076000-memory.dmp

      Filesize

      728KB

    • memory/3780-6-0x0000000005D00000-0x0000000005D22000-memory.dmp

      Filesize

      136KB

    • memory/4408-89-0x00000000066E0000-0x0000000006730000-memory.dmp

      Filesize

      320KB

    • memory/4408-45-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/5104-15-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/5104-20-0x00000000058F0000-0x0000000005912000-memory.dmp

      Filesize

      136KB

    • memory/5104-49-0x0000000006D10000-0x0000000006D5C000-memory.dmp

      Filesize

      304KB

    • memory/5104-47-0x00000000068B0000-0x00000000068CE000-memory.dmp

      Filesize

      120KB

    • memory/5104-50-0x0000000006E70000-0x0000000006EA2000-memory.dmp

      Filesize

      200KB

    • memory/5104-51-0x0000000074F20000-0x0000000074F6C000-memory.dmp

      Filesize

      304KB

    • memory/5104-61-0x0000000007860000-0x000000000787E000-memory.dmp

      Filesize

      120KB

    • memory/5104-21-0x0000000006010000-0x0000000006076000-memory.dmp

      Filesize

      408KB

    • memory/5104-62-0x0000000007890000-0x0000000007933000-memory.dmp

      Filesize

      652KB

    • memory/5104-74-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

      Filesize

      104KB

    • memory/5104-43-0x00000000062A0000-0x00000000065F4000-memory.dmp

      Filesize

      3.3MB

    • memory/5104-75-0x0000000007C40000-0x0000000007C4A000-memory.dmp

      Filesize

      40KB

    • memory/5104-76-0x0000000007E50000-0x0000000007EE6000-memory.dmp

      Filesize

      600KB

    • memory/5104-22-0x0000000006130000-0x0000000006196000-memory.dmp

      Filesize

      408KB

    • memory/5104-78-0x0000000007E00000-0x0000000007E0E000-memory.dmp

      Filesize

      56KB

    • memory/5104-79-0x0000000007E10000-0x0000000007E24000-memory.dmp

      Filesize

      80KB

    • memory/5104-80-0x0000000007F10000-0x0000000007F2A000-memory.dmp

      Filesize

      104KB

    • memory/5104-81-0x0000000007EF0000-0x0000000007EF8000-memory.dmp

      Filesize

      32KB

    • memory/5104-19-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/5104-87-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/5104-17-0x0000000074670000-0x0000000074E20000-memory.dmp

      Filesize

      7.7MB

    • memory/5104-16-0x00000000059E0000-0x0000000006008000-memory.dmp

      Filesize

      6.2MB

    • memory/5104-14-0x0000000002F80000-0x0000000002FB6000-memory.dmp

      Filesize

      216KB