Analysis

  • max time kernel
    96s
  • max time network
    131s
  • 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, 14:44

General

  • Target

    Veyhl new order - PO 351081.exe

  • Size

    859KB

  • MD5

    61136861ddae7d53a0165c710bab05fe

  • SHA1

    3e001e090821562908369a797feb14da17199747

  • SHA256

    8ccca04fe86f770d8057a7209a6d31da8df7bace6f4a3d8e04d5bbfefc2661f3

  • SHA512

    0ecb011c573972f3ceef4ed12413f4f207094fb9d36daac3a727783058f7401946e678809f4ed436b8b54d0adec46f28c83df90a55bf588228d5e87769a67c23

  • SSDEEP

    12288:qZ9sUz1S6QUxvBKXbGiQOp8j8VQaZrWOreSuNe9PE4Xbm9i72lGP7r9r/+pppppL:AVdeQO2CQaZrA5EdE4rmkEG1q

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.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Veyhl new order - PO 351081.exe
    "C:\Users\Admin\AppData\Local\Temp\Veyhl new order - PO 351081.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:2728
    • 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\Veyhl new order - PO 351081.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GWanLXwQAKvmjC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5072
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GWanLXwQAKvmjC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF731.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3572
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4680
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:4496
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3008

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              2KB

              MD5

              3d086a433708053f9bf9523e1d87a4e8

              SHA1

              b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

              SHA256

              6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

              SHA512

              931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

              Filesize

              18KB

              MD5

              89167f470da3ee197094b88575530087

              SHA1

              353a7a7acc5423d5caf582d5c8732f4a54b26de4

              SHA256

              9499885c6797dc058cd4b2c25e09836c8b371363f5354bafddaa011cedeeae49

              SHA512

              834325c71de711f27483274cf076ee042c04a24e81d9606bad6c29bcd713f0cc92ff3456649a29b8e0437d3a5183357cfc14ac537bd19543ec36f71f088a1016

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yxpfgaet.1m2.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • C:\Users\Admin\AppData\Local\Temp\tmpF731.tmp

              Filesize

              1KB

              MD5

              460bc2d7cd05bf5094b2f6b71792d6e1

              SHA1

              53bc78f2de88c257e6e5767e1559c6a2d602c57f

              SHA256

              2b18e9c63d20229237ff550dc4e3a0e6bc167d994a29f44a55b17ea969962eae

              SHA512

              2fce748a8943983efd08ced4ce9701ac1cc542bffb2e932e3d76198b7dd91b39c5b1e7ee58a55026661c257529ca888ae569a515b318860c9f944f17d7a3ca35

            • memory/468-32-0x0000000005850000-0x0000000005BA4000-memory.dmp

              Filesize

              3.3MB

            • memory/468-23-0x0000000004D70000-0x0000000004D92000-memory.dmp

              Filesize

              136KB

            • memory/468-89-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/468-78-0x0000000007360000-0x0000000007371000-memory.dmp

              Filesize

              68KB

            • memory/468-76-0x00000000071D0000-0x00000000071DA000-memory.dmp

              Filesize

              40KB

            • memory/468-64-0x0000000070180000-0x00000000701CC000-memory.dmp

              Filesize

              304KB

            • memory/468-24-0x00000000056C0000-0x0000000005726000-memory.dmp

              Filesize

              408KB

            • memory/468-15-0x0000000002540000-0x0000000002576000-memory.dmp

              Filesize

              216KB

            • memory/468-16-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/468-17-0x0000000005020000-0x0000000005648000-memory.dmp

              Filesize

              6.2MB

            • memory/468-18-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/468-19-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/468-25-0x00000000057E0000-0x0000000005846000-memory.dmp

              Filesize

              408KB

            • memory/2728-5-0x0000000004D10000-0x0000000004D1A000-memory.dmp

              Filesize

              40KB

            • memory/2728-2-0x0000000005230000-0x00000000057D4000-memory.dmp

              Filesize

              5.6MB

            • memory/2728-9-0x00000000061F0000-0x0000000006272000-memory.dmp

              Filesize

              520KB

            • memory/2728-1-0x0000000000230000-0x000000000030C000-memory.dmp

              Filesize

              880KB

            • memory/2728-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp

              Filesize

              584KB

            • memory/2728-6-0x0000000004E90000-0x0000000004EA0000-memory.dmp

              Filesize

              64KB

            • memory/2728-10-0x0000000009C80000-0x0000000009D1C000-memory.dmp

              Filesize

              624KB

            • memory/2728-4-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/2728-0-0x000000007523E000-0x000000007523F000-memory.dmp

              Filesize

              4KB

            • memory/2728-8-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/2728-49-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/2728-7-0x000000007523E000-0x000000007523F000-memory.dmp

              Filesize

              4KB

            • memory/3008-46-0x0000000000400000-0x0000000000440000-memory.dmp

              Filesize

              256KB

            • memory/3008-90-0x0000000006340000-0x0000000006390000-memory.dmp

              Filesize

              320KB

            • memory/5072-63-0x0000000007510000-0x00000000075B3000-memory.dmp

              Filesize

              652KB

            • memory/5072-80-0x0000000007890000-0x00000000078A4000-memory.dmp

              Filesize

              80KB

            • memory/5072-51-0x00000000074D0000-0x0000000007502000-memory.dmp

              Filesize

              200KB

            • memory/5072-75-0x0000000007650000-0x000000000766A000-memory.dmp

              Filesize

              104KB

            • memory/5072-74-0x0000000007C90000-0x000000000830A000-memory.dmp

              Filesize

              6.5MB

            • memory/5072-52-0x0000000070180000-0x00000000701CC000-memory.dmp

              Filesize

              304KB

            • memory/5072-77-0x00000000078D0000-0x0000000007966000-memory.dmp

              Filesize

              600KB

            • memory/5072-50-0x00000000063C0000-0x000000000640C000-memory.dmp

              Filesize

              304KB

            • memory/5072-79-0x0000000007880000-0x000000000788E000-memory.dmp

              Filesize

              56KB

            • memory/5072-62-0x00000000068E0000-0x00000000068FE000-memory.dmp

              Filesize

              120KB

            • memory/5072-81-0x0000000007990000-0x00000000079AA000-memory.dmp

              Filesize

              104KB

            • memory/5072-82-0x0000000007970000-0x0000000007978000-memory.dmp

              Filesize

              32KB

            • memory/5072-48-0x0000000006340000-0x000000000635E000-memory.dmp

              Filesize

              120KB

            • memory/5072-20-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/5072-88-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/5072-26-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB

            • memory/5072-21-0x0000000075230000-0x00000000759E0000-memory.dmp

              Filesize

              7.7MB