Analysis

  • max time kernel
    137s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 01:26

General

  • Target

    Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe

  • Size

    821KB

  • MD5

    87113dcc0719f80633c986c184c7e29f

  • SHA1

    9033d77c48bf796483bf8ba448bfd09aaaf162a1

  • SHA256

    3ab5cfa98e47af08a289ebfb6bfcdb40b109ac077c1b655b47798cb559931724

  • SHA512

    d6d7c62ca6d08f3fdad5ee4405882707d4d8ecbd8684067e85195b603a14a8c36b3ec5fd4b1dfe6a08d923ae56e4cb75ca350723159615b9a53752a57db38f30

  • SSDEEP

    24576:UfT2Hd8Vr98Fl0Yu/d4NOuhPpkBfJXAvR:UfTUd8VJ8Fl0YZpCBfJXAJ

Malware Config

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 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.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:2904
    • 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\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TKFJVphocGEKC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3968
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TKFJVphocGEKC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1795.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:804
    • C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Fabric WW-1580 (DPEBO1-2SDC September Buy.pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1004
  • 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=4100,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4616 /prefetch:8
    1⤵
      PID:2060

    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

      1KB

      MD5

      33b19d75aa77114216dbc23f43b195e3

      SHA1

      36a6c3975e619e0c5232aa4f5b7dc1fec9525535

      SHA256

      b23ced31b855e5a39c94afa1f9d55b023b8c40d4dc62143e0539c6916c12c9d2

      SHA512

      676fa2fd34878b75e5899197fe6826bb5604541aa468804bc9835bd3acabed2e6759878a8f1358955413818a51456816e90f149133828575a416c2a74fc7d821

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

      Filesize

      18KB

      MD5

      07e68b9b01e059c0700992a82ac0af56

      SHA1

      0cbdb0805f423f6caad72e4e4ca9dedbb4c0d4bf

      SHA256

      6a3283c32b788885e653efeb472d69e5b40cda973b2c7fda9b6ae2901d719afc

      SHA512

      c242d23446ccc66c1aa884a4fd79bc979ed7b9150622b8887c79238efa64808c8e20bab0287f8c7b8998dacf3e351225007b2e6dd5ea44611afdd7bc86a08e0f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ollruczg.ywc.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp1795.tmp

      Filesize

      1KB

      MD5

      cb9ed7b2308e945b5ea578336f7c9f7e

      SHA1

      4f1ba79574abdcfbf1794dd816a154d5134707b8

      SHA256

      cd1b1a9e9752c19b48f6de3b140faf5ea43bc0ac04140d619d1edaeeeb66f686

      SHA512

      ccb1d9a09a5d210474ec1bed90fc9c44c447f76437033312912e289f1dad03e4ff42a187b6a52b8da78744dfaaea959d6c849688258419a6038116c5f712f019

    • memory/1004-69-0x0000000006670000-0x00000000066C0000-memory.dmp

      Filesize

      320KB

    • memory/1004-27-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2776-38-0x0000000005990000-0x0000000005CE4000-memory.dmp

      Filesize

      3.3MB

    • memory/2776-49-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

      Filesize

      120KB

    • memory/2776-50-0x0000000005FF0000-0x000000000603C000-memory.dmp

      Filesize

      304KB

    • memory/2776-24-0x0000000004FE0000-0x0000000005002000-memory.dmp

      Filesize

      136KB

    • memory/2776-25-0x0000000005180000-0x00000000051E6000-memory.dmp

      Filesize

      408KB

    • memory/2776-53-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2776-16-0x00000000026C0000-0x00000000026F6000-memory.dmp

      Filesize

      216KB

    • memory/2776-17-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2776-18-0x00000000052F0000-0x0000000005918000-memory.dmp

      Filesize

      6.2MB

    • memory/2776-19-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2776-20-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2776-26-0x0000000005920000-0x0000000005986000-memory.dmp

      Filesize

      408KB

    • memory/2904-11-0x0000000007C00000-0x0000000007C9C000-memory.dmp

      Filesize

      624KB

    • memory/2904-3-0x0000000004B00000-0x0000000004B92000-memory.dmp

      Filesize

      584KB

    • memory/2904-1-0x00000000000B0000-0x000000000015C000-memory.dmp

      Filesize

      688KB

    • memory/2904-0-0x000000007494E000-0x000000007494F000-memory.dmp

      Filesize

      4KB

    • memory/2904-10-0x0000000005030000-0x00000000050B2000-memory.dmp

      Filesize

      520KB

    • memory/2904-9-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-8-0x000000007494E000-0x000000007494F000-memory.dmp

      Filesize

      4KB

    • memory/2904-7-0x0000000004FD0000-0x0000000004FE8000-memory.dmp

      Filesize

      96KB

    • memory/2904-48-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-6-0x0000000004DA0000-0x0000000004E48000-memory.dmp

      Filesize

      672KB

    • memory/2904-5-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-4-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

      Filesize

      40KB

    • memory/2904-2-0x0000000005350000-0x00000000058F4000-memory.dmp

      Filesize

      5.6MB

    • memory/3968-66-0x00000000070B0000-0x0000000007153000-memory.dmp

      Filesize

      652KB

    • memory/3968-71-0x0000000007660000-0x00000000076F6000-memory.dmp

      Filesize

      600KB

    • memory/3968-22-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3968-67-0x0000000007A30000-0x00000000080AA000-memory.dmp

      Filesize

      6.5MB

    • memory/3968-68-0x00000000073E0000-0x00000000073FA000-memory.dmp

      Filesize

      104KB

    • memory/3968-55-0x00000000751A0000-0x00000000751EC000-memory.dmp

      Filesize

      304KB

    • memory/3968-70-0x0000000007450000-0x000000000745A000-memory.dmp

      Filesize

      40KB

    • memory/3968-65-0x0000000006640000-0x000000000665E000-memory.dmp

      Filesize

      120KB

    • memory/3968-72-0x00000000075E0000-0x00000000075F1000-memory.dmp

      Filesize

      68KB

    • memory/3968-73-0x0000000007610000-0x000000000761E000-memory.dmp

      Filesize

      56KB

    • memory/3968-74-0x0000000007620000-0x0000000007634000-memory.dmp

      Filesize

      80KB

    • memory/3968-75-0x0000000007720000-0x000000000773A000-memory.dmp

      Filesize

      104KB

    • memory/3968-76-0x0000000007700000-0x0000000007708000-memory.dmp

      Filesize

      32KB

    • memory/3968-54-0x0000000007070000-0x00000000070A2000-memory.dmp

      Filesize

      200KB

    • memory/3968-21-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3968-80-0x0000000074940000-0x00000000750F0000-memory.dmp

      Filesize

      7.7MB