Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-03-2024 16:28

General

  • Target

    e-dekont_html.exe

  • Size

    610KB

  • MD5

    66e196c15ec46d1e7526b1c48da1b72a

  • SHA1

    f9b2dc950a21c296aaf57a013c3f4e93f8ebbad2

  • SHA256

    8c5c6b99a06119e1064bfcf3f53cc66150751c0969dc37dc3603eef5535a8af9

  • SHA512

    f8d8241d5af76033ba83caff888d325285110356b8e35175260a912cf416670465d218d7c550b9f15cc969bc2f53381cb8e41dd4f9a859cae65e4df600b6f851

  • SSDEEP

    12288:yRfHhxVzsP5wzyNwv5gs3MjeNPq0wKrCHrT3GQzRVPUYvV3L2dXEg:yXxU5wzaktc4PEWCHfGQzbPfvFydXEg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp8nl.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e-dekont_html.exe
    "C:\Users\Admin\AppData\Local\Temp\e-dekont_html.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:572
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:680
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:3976
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7D1F.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2500
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • UAC bypass
        • Windows security bypass
        • Checks computer location settings
        • Executes dropped EXE
        • Windows security modification
        • Checks whether UAC is enabled
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1464
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2964
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4048
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
          4⤵
            PID:3900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lhzqt1ji.chg.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp7D1F.tmp.bat

      Filesize

      151B

      MD5

      b2383d45c17984ed17b56140ce4bb586

      SHA1

      329c2ecfc77edab693e65366fefb102549d0c1ea

      SHA256

      f4656df68cd542280b5ead358fc52f784f1b058212dabeba30b2857fba8572d9

      SHA512

      65c11305cd82476f4a1fec76c94627d2b9848d9c323f6b8fdba319ea754a33ff15f953c67dec3c9010ab225693f0d0a0058a1fe5f1d67f8ede76ec13bb886d38

    • C:\Users\Admin\AppData\Roaming\svchost.exe

      Filesize

      610KB

      MD5

      66e196c15ec46d1e7526b1c48da1b72a

      SHA1

      f9b2dc950a21c296aaf57a013c3f4e93f8ebbad2

      SHA256

      8c5c6b99a06119e1064bfcf3f53cc66150751c0969dc37dc3603eef5535a8af9

      SHA512

      f8d8241d5af76033ba83caff888d325285110356b8e35175260a912cf416670465d218d7c550b9f15cc969bc2f53381cb8e41dd4f9a859cae65e4df600b6f851

    • memory/572-1-0x00007FF8421D0000-0x00007FF842C91000-memory.dmp

      Filesize

      10.8MB

    • memory/572-2-0x000002A9ECD30000-0x000002A9ECD40000-memory.dmp

      Filesize

      64KB

    • memory/572-3-0x000002A9ED1D0000-0x000002A9ED264000-memory.dmp

      Filesize

      592KB

    • memory/572-8-0x000002A9ECF20000-0x000002A9ED0C9000-memory.dmp

      Filesize

      1.7MB

    • memory/572-9-0x00007FF8421D0000-0x00007FF842C91000-memory.dmp

      Filesize

      10.8MB

    • memory/572-0-0x000002A9D2820000-0x000002A9D282C000-memory.dmp

      Filesize

      48KB

    • memory/1464-14-0x00007FF841CE0000-0x00007FF8427A1000-memory.dmp

      Filesize

      10.8MB

    • memory/1464-39-0x00007FF841CE0000-0x00007FF8427A1000-memory.dmp

      Filesize

      10.8MB

    • memory/1464-38-0x0000026C61200000-0x0000026C613A9000-memory.dmp

      Filesize

      1.7MB

    • memory/2964-28-0x000002276C490000-0x000002276C4B2000-memory.dmp

      Filesize

      136KB

    • memory/2964-27-0x000002276C450000-0x000002276C460000-memory.dmp

      Filesize

      64KB

    • memory/2964-18-0x000002276C450000-0x000002276C460000-memory.dmp

      Filesize

      64KB

    • memory/2964-29-0x000002276C450000-0x000002276C460000-memory.dmp

      Filesize

      64KB

    • memory/2964-16-0x00007FF841CE0000-0x00007FF8427A1000-memory.dmp

      Filesize

      10.8MB

    • memory/2964-31-0x000002276C450000-0x000002276C460000-memory.dmp

      Filesize

      64KB

    • memory/2964-34-0x00007FF841CE0000-0x00007FF8427A1000-memory.dmp

      Filesize

      10.8MB

    • memory/4048-36-0x00000000054C0000-0x0000000005526000-memory.dmp

      Filesize

      408KB

    • memory/4048-37-0x00000000052F0000-0x0000000005300000-memory.dmp

      Filesize

      64KB

    • memory/4048-35-0x0000000005900000-0x0000000005EA4000-memory.dmp

      Filesize

      5.6MB

    • memory/4048-30-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4048-15-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4048-40-0x0000000006360000-0x00000000063B0000-memory.dmp

      Filesize

      320KB

    • memory/4048-41-0x0000000006450000-0x00000000064EC000-memory.dmp

      Filesize

      624KB

    • memory/4048-42-0x0000000006950000-0x00000000069E2000-memory.dmp

      Filesize

      584KB

    • memory/4048-43-0x00000000068E0000-0x00000000068EA000-memory.dmp

      Filesize

      40KB

    • memory/4048-44-0x00000000748A0000-0x0000000075050000-memory.dmp

      Filesize

      7.7MB

    • memory/4048-45-0x00000000052F0000-0x0000000005300000-memory.dmp

      Filesize

      64KB