Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2024, 11:43

General

  • Target
    rPendingPurchaseOrder.exe
  • Size 632KB
  • Sample240304-nvkhmshd6y
  • SHA256 6cfc601fa3fcc2f02606539608dd1f08bfccc8d0ccfc6f32d7bd5110dc0b6f5e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.commtechtrading.com

  • Port

    587

  • Password

    ;elP@ho2Np 7[

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rPendingPurchaseOrder.exe
    "C:\Users\Admin\AppData\Local\Temp\rPendingPurchaseOrder.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1168
    • 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\rPendingPurchaseOrder.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:684
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DVkJdOsZQtfVqJ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3816
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DVkJdOsZQtfVqJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB72A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4232
    • C:\Users\Admin\AppData\Local\Temp\rPendingPurchaseOrder.exe
      "C:\Users\Admin\AppData\Local\Temp\rPendingPurchaseOrder.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:960

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 1d6c8c4b34ccda2758d3993aa6547c0c07746078c3c6dfcafa45bd31c90d7a99
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_dlu4apwr.2px.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dlu4apwr.2px.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpB72A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpB72A.tmp
        • Size 1KB
        • SHA256 e3c0a92208ba3c71feb6c731223014554a4776d14581f7d88de19025f9418de4
        • MD5 SHA1 SHA512

        memory/684-79-0x0000000007BC0000-0x0000000007BDA000-memory.dmp

        memory/684-19-0x0000000002FC0000-0x0000000002FD0000-memory.dmp

        memory/684-82-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

        memory/684-81-0x0000000007E40000-0x0000000007ED6000-memory.dmp

        memory/684-80-0x0000000007C30000-0x0000000007C3A000-memory.dmp

        memory/684-78-0x0000000008200000-0x000000000887A000-memory.dmp

        memory/684-67-0x0000000007890000-0x0000000007933000-memory.dmp

        memory/684-15-0x0000000002F60000-0x0000000002F96000-memory.dmp

        memory/684-66-0x0000000006E60000-0x0000000006E7E000-memory.dmp

        memory/684-16-0x0000000074E70000-0x0000000075620000-memory.dmp

        memory/684-54-0x0000000006E80000-0x0000000006EB2000-memory.dmp

        memory/684-46-0x0000000006240000-0x0000000006594000-memory.dmp

        memory/684-21-0x0000000005780000-0x00000000057A2000-memory.dmp

        memory/684-56-0x00000000756D0000-0x000000007571C000-memory.dmp

        memory/684-55-0x000000007FD60000-0x000000007FD70000-memory.dmp

        memory/684-23-0x0000000006060000-0x00000000060C6000-memory.dmp

        memory/684-25-0x0000000002FC0000-0x0000000002FD0000-memory.dmp

        memory/684-53-0x0000000002FC0000-0x0000000002FD0000-memory.dmp

        memory/684-26-0x00000000061D0000-0x0000000006236000-memory.dmp

        memory/684-83-0x0000000007DF0000-0x0000000007DFE000-memory.dmp

        memory/684-90-0x0000000074E70000-0x0000000075620000-memory.dmp

        memory/960-24-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/960-95-0x0000000074E70000-0x0000000075620000-memory.dmp

        memory/960-45-0x0000000004E40000-0x0000000004E50000-memory.dmp

        memory/960-87-0x0000000005DB0000-0x0000000005E00000-memory.dmp

        memory/960-96-0x0000000004E40000-0x0000000004E50000-memory.dmp

        memory/960-39-0x0000000074E70000-0x0000000075620000-memory.dmp

        memory/1168-4-0x0000000005100000-0x0000000005110000-memory.dmp

        memory/1168-0-0x0000000074E70000-0x0000000075620000-memory.dmp

        memory/1168-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

        memory/1168-44-0x0000000074E70000-0x0000000075620000-memory.dmp

        memory/1168-2-0x0000000005450000-0x00000000059F4000-memory.dmp

        memory/1168-10-0x0000000008B30000-0x0000000008BCC000-memory.dmp

        memory/1168-5-0x0000000005050000-0x000000000505A000-memory.dmp

        memory/1168-9-0x00000000063B0000-0x0000000006432000-memory.dmp

        memory/1168-1-0x0000000000460000-0x0000000000504000-memory.dmp

        memory/1168-8-0x0000000005270000-0x000000000527E000-memory.dmp

        memory/1168-7-0x0000000005260000-0x000000000526A000-memory.dmp

        memory/1168-6-0x0000000005220000-0x0000000005236000-memory.dmp

        memory/3816-20-0x0000000074E70000-0x0000000075620000-memory.dmp

        memory/3816-84-0x0000000007560000-0x0000000007574000-memory.dmp

        memory/3816-85-0x0000000007660000-0x000000000767A000-memory.dmp

        memory/3816-51-0x0000000006010000-0x000000000602E000-memory.dmp

        memory/3816-68-0x00000000756D0000-0x000000007571C000-memory.dmp

        memory/3816-52-0x00000000060D0000-0x000000000611C000-memory.dmp

        memory/3816-86-0x0000000007640000-0x0000000007648000-memory.dmp

        memory/3816-27-0x0000000004C40000-0x0000000004C50000-memory.dmp

        memory/3816-94-0x0000000074E70000-0x0000000075620000-memory.dmp

        memory/3816-22-0x0000000004C40000-0x0000000004C50000-memory.dmp

        memory/3816-17-0x0000000005280000-0x00000000058A8000-memory.dmp