Analysis

  • max time kernel
    131s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 07:00

General

  • Target

    5620e82c34754f8c0a8ee61597fd43b037e810f2dc2be1b2968dfbfee279bd26.exe

  • Size

    639KB

  • MD5

    29ef191ed82ea8c11cf1f99695ea0faf

  • SHA1

    e9e71a843dec6db3f47f1d7b5c25044761e378d9

  • SHA256

    5620e82c34754f8c0a8ee61597fd43b037e810f2dc2be1b2968dfbfee279bd26

  • SHA512

    51d405194b0be85e75c0af8349e2585cc70ccadff7f2e54cb63cd6ef46b923e59907b0f0ef0318958bea87cf34e8441afe59c625cc781c78f16926186e50c476

  • SSDEEP

    12288:7a7kvHzL2pOM7a1t0B51zwIkIGGvtmRM1SHTl7MKAdfwr2lCACZ5ymmkR:7aoHTsGIkCcRMQHOKGIreg5yQ

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.

  • Adds Run key to start application 2 TTPs 1 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 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5620e82c34754f8c0a8ee61597fd43b037e810f2dc2be1b2968dfbfee279bd26.exe
    "C:\Users\Admin\AppData\Local\Temp\5620e82c34754f8c0a8ee61597fd43b037e810f2dc2be1b2968dfbfee279bd26.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:3524
    • 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\5620e82c34754f8c0a8ee61597fd43b037e810f2dc2be1b2968dfbfee279bd26.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4484
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLSHXnJWplNm.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLSHXnJWplNm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA33.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2440
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3600
    • 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=1284,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=3824 /prefetch:8
      1⤵
        PID:1204

      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

        ab90c0d9ac9b12c2d5e73b08f2076961

        SHA1

        db5680acf3f69b600d4b6d86f71aebb2a0cb41d3

        SHA256

        3ffed72735af8e3b93c6db00305afd646d4aaf6d81bddac990e95df2eb5b54fa

        SHA512

        5962b1bf0afccc7b47634aa498bdb7686bf6e849271ae4700484656f158683cf0c50f7c8585c67610a7b9b3b564a440c361a1612f9378b5df3a73ce595a5bb79

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ycdoszht.zy0.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpBA33.tmp

        Filesize

        1KB

        MD5

        afb0419ce441b7a95950755ab6e01343

        SHA1

        6cccd2b827795188d8e8984033e0b5dc3bf34ee6

        SHA256

        51c9d32f9b057494a344344a3f6449ca2b220b311020e0752ec41d1b711422ee

        SHA512

        df363ebd1039825a9e83e53c183010f0eae765ca6ba586910cf8b1070d253241b8e925c85ba06662dfc1e3e1f9530c2b565f3bd9860010410d237cd17ae34fa9

      • memory/3524-4-0x0000000004D90000-0x0000000004D9A000-memory.dmp

        Filesize

        40KB

      • memory/3524-49-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/3524-6-0x00000000050F0000-0x0000000005100000-memory.dmp

        Filesize

        64KB

      • memory/3524-7-0x000000007517E000-0x000000007517F000-memory.dmp

        Filesize

        4KB

      • memory/3524-8-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/3524-9-0x0000000006310000-0x0000000006394000-memory.dmp

        Filesize

        528KB

      • memory/3524-10-0x0000000009CF0000-0x0000000009D8C000-memory.dmp

        Filesize

        624KB

      • memory/3524-1-0x0000000000240000-0x00000000002E2000-memory.dmp

        Filesize

        648KB

      • memory/3524-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

        Filesize

        584KB

      • memory/3524-2-0x00000000053A0000-0x0000000005944000-memory.dmp

        Filesize

        5.6MB

      • memory/3524-5-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/3524-0-0x000000007517E000-0x000000007517F000-memory.dmp

        Filesize

        4KB

      • memory/3600-87-0x00000000065C0000-0x0000000006610000-memory.dmp

        Filesize

        320KB

      • memory/3600-27-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4484-25-0x0000000005970000-0x00000000059D6000-memory.dmp

        Filesize

        408KB

      • memory/4484-23-0x00000000057D0000-0x00000000057F2000-memory.dmp

        Filesize

        136KB

      • memory/4484-26-0x0000000006040000-0x00000000060A6000-memory.dmp

        Filesize

        408KB

      • memory/4484-22-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/4484-28-0x0000000006170000-0x00000000064C4000-memory.dmp

        Filesize

        3.3MB

      • memory/4484-91-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/4484-15-0x0000000002F90000-0x0000000002FC6000-memory.dmp

        Filesize

        216KB

      • memory/4484-17-0x0000000005A10000-0x0000000006038000-memory.dmp

        Filesize

        6.2MB

      • memory/4484-18-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/4484-16-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/4484-74-0x000000006FF00000-0x000000006FF4C000-memory.dmp

        Filesize

        304KB

      • memory/5056-65-0x0000000007550000-0x000000000756A000-memory.dmp

        Filesize

        104KB

      • memory/5056-70-0x0000000007780000-0x000000000778E000-memory.dmp

        Filesize

        56KB

      • memory/5056-62-0x0000000006800000-0x000000000681E000-memory.dmp

        Filesize

        120KB

      • memory/5056-51-0x00000000073D0000-0x0000000007402000-memory.dmp

        Filesize

        200KB

      • memory/5056-52-0x000000006FF00000-0x000000006FF4C000-memory.dmp

        Filesize

        304KB

      • memory/5056-64-0x0000000007B90000-0x000000000820A000-memory.dmp

        Filesize

        6.5MB

      • memory/5056-66-0x00000000075C0000-0x00000000075CA000-memory.dmp

        Filesize

        40KB

      • memory/5056-67-0x00000000077D0000-0x0000000007866000-memory.dmp

        Filesize

        600KB

      • memory/5056-68-0x0000000007750000-0x0000000007761000-memory.dmp

        Filesize

        68KB

      • memory/5056-63-0x0000000007420000-0x00000000074C3000-memory.dmp

        Filesize

        652KB

      • memory/5056-71-0x0000000007790000-0x00000000077A4000-memory.dmp

        Filesize

        80KB

      • memory/5056-72-0x0000000007890000-0x00000000078AA000-memory.dmp

        Filesize

        104KB

      • memory/5056-73-0x0000000007870000-0x0000000007878000-memory.dmp

        Filesize

        32KB

      • memory/5056-50-0x00000000062C0000-0x000000000630C000-memory.dmp

        Filesize

        304KB

      • memory/5056-86-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/5056-48-0x0000000006230000-0x000000000624E000-memory.dmp

        Filesize

        120KB

      • memory/5056-24-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/5056-19-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB

      • memory/5056-20-0x0000000075170000-0x0000000075920000-memory.dmp

        Filesize

        7.7MB