Analysis

  • max time kernel
    128s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/09/2023, 16:19

General

  • Target

    Proforma67.exe

  • Size

    705KB

  • MD5

    29d2ced5850992f33389369b7ba52080

  • SHA1

    e9eca5a139d2294a7a34d171a74fc00d82faf37f

  • SHA256

    ad29425198634252a81a5cdcd4a137d542ca3e489d79b5d6fa063a3bb125c2a0

  • SHA512

    82cea6c7b2a93626127398576c222639e3dbaade6dd0b88c359f096bfbcc1df618e64f78207c7b850d9562d03706d2bf7adc343209355c79bede5f88cb2a0fbf

  • SSDEEP

    12288:ag21QtN9waPihL+QXMR+hKJTsyvPzZuyhwRmy4iqFghLb9LtX3t:oovPihqQXMoUFvvQzR2t6bNtn

Malware Config

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 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
    "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4660
    • 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\Proforma67.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1696
    • C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
      "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
      2⤵
        PID:1388
      • C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
        "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
        2⤵
          PID:4928
        • C:\Users\Admin\AppData\Local\Temp\Proforma67.exe
          "C:\Users\Admin\AppData\Local\Temp\Proforma67.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:4184

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Proforma67.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4jkpustk.qgd.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1696-51-0x0000000006D20000-0x0000000006DC3000-memory.dmp

        Filesize

        652KB

      • memory/1696-18-0x00000000746F0000-0x0000000074EA0000-memory.dmp

        Filesize

        7.7MB

      • memory/1696-64-0x00000000746F0000-0x0000000074EA0000-memory.dmp

        Filesize

        7.7MB

      • memory/1696-61-0x0000000007360000-0x0000000007368000-memory.dmp

        Filesize

        32KB

      • memory/1696-60-0x0000000007380000-0x000000000739A000-memory.dmp

        Filesize

        104KB

      • memory/1696-59-0x0000000007280000-0x0000000007294000-memory.dmp

        Filesize

        80KB

      • memory/1696-58-0x0000000007270000-0x000000000727E000-memory.dmp

        Filesize

        56KB

      • memory/1696-56-0x0000000007240000-0x0000000007251000-memory.dmp

        Filesize

        68KB

      • memory/1696-55-0x00000000072C0000-0x0000000007356000-memory.dmp

        Filesize

        600KB

      • memory/1696-54-0x00000000070B0000-0x00000000070BA000-memory.dmp

        Filesize

        40KB

      • memory/1696-53-0x0000000007040000-0x000000000705A000-memory.dmp

        Filesize

        104KB

      • memory/1696-52-0x0000000007680000-0x0000000007CFA000-memory.dmp

        Filesize

        6.5MB

      • memory/1696-15-0x00000000023E0000-0x0000000002416000-memory.dmp

        Filesize

        216KB

      • memory/1696-35-0x0000000005740000-0x0000000005A94000-memory.dmp

        Filesize

        3.3MB

      • memory/1696-50-0x00000000062E0000-0x00000000062FE000-memory.dmp

        Filesize

        120KB

      • memory/1696-40-0x0000000070370000-0x00000000703BC000-memory.dmp

        Filesize

        304KB

      • memory/1696-39-0x0000000006300000-0x0000000006332000-memory.dmp

        Filesize

        200KB

      • memory/1696-21-0x00000000048F0000-0x0000000004900000-memory.dmp

        Filesize

        64KB

      • memory/1696-22-0x00000000048F0000-0x0000000004900000-memory.dmp

        Filesize

        64KB

      • memory/1696-38-0x00000000048F0000-0x0000000004900000-memory.dmp

        Filesize

        64KB

      • memory/1696-19-0x0000000004F30000-0x0000000005558000-memory.dmp

        Filesize

        6.2MB

      • memory/1696-24-0x0000000004C30000-0x0000000004C52000-memory.dmp

        Filesize

        136KB

      • memory/1696-37-0x0000000005D50000-0x0000000005D9C000-memory.dmp

        Filesize

        304KB

      • memory/1696-25-0x0000000004E50000-0x0000000004EB6000-memory.dmp

        Filesize

        408KB

      • memory/1696-36-0x0000000005D20000-0x0000000005D3E000-memory.dmp

        Filesize

        120KB

      • memory/4184-12-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/4184-66-0x0000000005330000-0x0000000005340000-memory.dmp

        Filesize

        64KB

      • memory/4184-23-0x0000000005330000-0x0000000005340000-memory.dmp

        Filesize

        64KB

      • memory/4184-20-0x00000000054B0000-0x0000000005516000-memory.dmp

        Filesize

        408KB

      • memory/4184-65-0x00000000746F0000-0x0000000074EA0000-memory.dmp

        Filesize

        7.7MB

      • memory/4184-57-0x0000000006B00000-0x0000000006B50000-memory.dmp

        Filesize

        320KB

      • memory/4184-16-0x00000000746F0000-0x0000000074EA0000-memory.dmp

        Filesize

        7.7MB

      • memory/4660-10-0x0000000007020000-0x000000000709C000-memory.dmp

        Filesize

        496KB

      • memory/4660-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

        Filesize

        5.6MB

      • memory/4660-0-0x00000000746F0000-0x0000000074EA0000-memory.dmp

        Filesize

        7.7MB

      • memory/4660-9-0x0000000005E20000-0x0000000005E2A000-memory.dmp

        Filesize

        40KB

      • memory/4660-11-0x0000000009690000-0x000000000972C000-memory.dmp

        Filesize

        624KB

      • memory/4660-17-0x00000000746F0000-0x0000000074EA0000-memory.dmp

        Filesize

        7.7MB

      • memory/4660-8-0x0000000005860000-0x0000000005870000-memory.dmp

        Filesize

        64KB

      • memory/4660-7-0x00000000746F0000-0x0000000074EA0000-memory.dmp

        Filesize

        7.7MB

      • memory/4660-6-0x0000000005E10000-0x0000000005E20000-memory.dmp

        Filesize

        64KB

      • memory/4660-5-0x0000000005820000-0x000000000582A000-memory.dmp

        Filesize

        40KB

      • memory/4660-4-0x0000000005860000-0x0000000005870000-memory.dmp

        Filesize

        64KB

      • memory/4660-1-0x0000000000D70000-0x0000000000E26000-memory.dmp

        Filesize

        728KB

      • memory/4660-3-0x0000000005890000-0x0000000005922000-memory.dmp

        Filesize

        584KB