Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 17:25

General

  • Target

    Drawing.exe

  • Size

    634KB

  • MD5

    516b4e94538b0696b4d1c29651129507

  • SHA1

    cf83ed10338ea104b84f918609aee66173ff16b5

  • SHA256

    c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac

  • SHA512

    4e5118dab7b04e5d59a80c42f55cb4f92e4604ed3083ef05b03a7ba548e82490ccbebd4465e6b2c021e4356e55aeea250f2922b5b50b772030499a0605a49133

  • SSDEEP

    12288:945+po2/sTE5qgk7ek/FYJXcq/PlG1jqb6qIY/:o+pJxcek/wVP4IWLg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.perfectasmplegas.de
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ifeanyi1987@

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.

  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Drawing.exe
    "C:\Users\Admin\AppData\Local\Temp\Drawing.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vHhbDot.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vHhbDot" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC081.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4444
    • C:\Users\Admin\AppData\Local\Temp\Drawing.exe
      "C:\Users\Admin\AppData\Local\Temp\Drawing.exe"
      2⤵
        PID:3364
      • C:\Users\Admin\AppData\Local\Temp\Drawing.exe
        "C:\Users\Admin\AppData\Local\Temp\Drawing.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:224
      • C:\Users\Admin\AppData\Local\Temp\Drawing.exe
        "C:\Users\Admin\AppData\Local\Temp\Drawing.exe"
        2⤵
          PID:4000

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bq2u31zb.2z0.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpC081.tmp

        Filesize

        1KB

        MD5

        0a1c93ecfa3d6714f4fc9e11b1308321

        SHA1

        6f7a431bd44664fa4092e4c88c02c07fb85a7059

        SHA256

        2f65b2697e408f9908f72ea0192a4a8f58a8afb99640f657f52521569bf117f8

        SHA512

        0172f7e951c9042fe3879b471596b22f15bf24732d36bd934bd345887ff8b0f393b3b43bf84a73964733b02b95da8f164de251f25b42d0230e3ce56c9c1ef477

      • memory/224-73-0x00000000059B0000-0x00000000059C0000-memory.dmp

        Filesize

        64KB

      • memory/224-72-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/224-62-0x0000000006840000-0x0000000006890000-memory.dmp

        Filesize

        320KB

      • memory/224-36-0x00000000059B0000-0x00000000059C0000-memory.dmp

        Filesize

        64KB

      • memory/224-29-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/224-24-0x0000000000400000-0x0000000000444000-memory.dmp

        Filesize

        272KB

      • memory/2248-17-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2248-6-0x00000000055D0000-0x00000000055E8000-memory.dmp

        Filesize

        96KB

      • memory/2248-10-0x00000000078D0000-0x000000000794E000-memory.dmp

        Filesize

        504KB

      • memory/2248-11-0x0000000006300000-0x000000000639C000-memory.dmp

        Filesize

        624KB

      • memory/2248-1-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2248-0-0x0000000000460000-0x0000000000504000-memory.dmp

        Filesize

        656KB

      • memory/2248-2-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        Filesize

        64KB

      • memory/2248-3-0x0000000005630000-0x0000000005BD4000-memory.dmp

        Filesize

        5.6MB

      • memory/2248-8-0x0000000005620000-0x000000000562A000-memory.dmp

        Filesize

        40KB

      • memory/2248-9-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        Filesize

        64KB

      • memory/2248-30-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2248-22-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

        Filesize

        64KB

      • memory/2248-7-0x0000000005610000-0x0000000005618000-memory.dmp

        Filesize

        32KB

      • memory/2248-4-0x0000000005120000-0x00000000051B2000-memory.dmp

        Filesize

        584KB

      • memory/2248-5-0x00000000055C0000-0x00000000055CA000-memory.dmp

        Filesize

        40KB

      • memory/4612-42-0x0000000005B60000-0x0000000005B7E000-memory.dmp

        Filesize

        120KB

      • memory/4612-58-0x0000000006D70000-0x0000000006E13000-memory.dmp

        Filesize

        652KB

      • memory/4612-26-0x0000000004C20000-0x0000000004C86000-memory.dmp

        Filesize

        408KB

      • memory/4612-37-0x0000000005570000-0x00000000058C4000-memory.dmp

        Filesize

        3.3MB

      • memory/4612-25-0x0000000004B80000-0x0000000004BA2000-memory.dmp

        Filesize

        136KB

      • memory/4612-23-0x0000000004D60000-0x0000000005388000-memory.dmp

        Filesize

        6.2MB

      • memory/4612-21-0x0000000002340000-0x0000000002350000-memory.dmp

        Filesize

        64KB

      • memory/4612-43-0x0000000005BF0000-0x0000000005C3C000-memory.dmp

        Filesize

        304KB

      • memory/4612-44-0x0000000002340000-0x0000000002350000-memory.dmp

        Filesize

        64KB

      • memory/4612-46-0x0000000006D10000-0x0000000006D42000-memory.dmp

        Filesize

        200KB

      • memory/4612-47-0x0000000075560000-0x00000000755AC000-memory.dmp

        Filesize

        304KB

      • memory/4612-57-0x0000000006120000-0x000000000613E000-memory.dmp

        Filesize

        120KB

      • memory/4612-45-0x000000007F9E0000-0x000000007F9F0000-memory.dmp

        Filesize

        64KB

      • memory/4612-28-0x0000000005500000-0x0000000005566000-memory.dmp

        Filesize

        408KB

      • memory/4612-59-0x00000000074C0000-0x0000000007B3A000-memory.dmp

        Filesize

        6.5MB

      • memory/4612-60-0x0000000006E80000-0x0000000006E9A000-memory.dmp

        Filesize

        104KB

      • memory/4612-61-0x0000000006EF0000-0x0000000006EFA000-memory.dmp

        Filesize

        40KB

      • memory/4612-20-0x0000000002340000-0x0000000002350000-memory.dmp

        Filesize

        64KB

      • memory/4612-63-0x0000000007100000-0x0000000007196000-memory.dmp

        Filesize

        600KB

      • memory/4612-64-0x0000000007080000-0x0000000007091000-memory.dmp

        Filesize

        68KB

      • memory/4612-65-0x00000000070B0000-0x00000000070BE000-memory.dmp

        Filesize

        56KB

      • memory/4612-66-0x00000000070C0000-0x00000000070D4000-memory.dmp

        Filesize

        80KB

      • memory/4612-67-0x00000000071C0000-0x00000000071DA000-memory.dmp

        Filesize

        104KB

      • memory/4612-68-0x00000000071A0000-0x00000000071A8000-memory.dmp

        Filesize

        32KB

      • memory/4612-71-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4612-19-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4612-16-0x0000000002230000-0x0000000002266000-memory.dmp

        Filesize

        216KB