Analysis

  • max time kernel
    99s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 11:14

General

  • Target

    Payment of PO. 303092.exe

  • Size

    727KB

  • MD5

    02389ebeb400fccb4be3a8a838947f41

  • SHA1

    7f36a7136d1a7fa89f79406df235a761b77ecb71

  • SHA256

    93c6d96d2c4eff6927c67389dbfa6be605fb70f8005783c3b9915a1ed9fd47f9

  • SHA512

    fb14193f2eed31a5a797296cb2e71f7b67c72bd16f58fff84b8f2d770a7b645a4260020fd05ca4a84006f543ab565dd9eef5ceb97984e4ced5f79a788f4bd5fe

  • SSDEEP

    12288:h7KE6jD/62iNG5nF8gljUB4Ab/J18w+Dao23eg6WwqEdz4EH9O4r9Ha:h7KtD/61IfjMXB2bGo9tWV84Spr0

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 1 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).

  • 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 6 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\Payment of PO. 303092.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vTqEAcFwp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:816
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTqEAcFwp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8AFA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3216
    • C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe"
      2⤵
        PID:3204
      • C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2720

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bazvu0c3.gn4.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8AFA.tmp

      Filesize

      1KB

      MD5

      dab196fa5cb74c864d53100493419a63

      SHA1

      c28caffa878aa06bae4eaae306f8d1d46f82d22f

      SHA256

      00c13a415c93d6121252d2fde4089a268887d0575038af5f70583a222ec41444

      SHA512

      d871bea8bacf47fbe14a68ce1c584dc465c9d0d63843fdc26ae2aa0c2137507283a0fbe3ca0c99f2447d800c98ef8dbba6770f864977bf1fc74d848a153b25d2

    • memory/816-27-0x0000000005880000-0x00000000058E6000-memory.dmp

      Filesize

      408KB

    • memory/816-66-0x0000000007570000-0x0000000007578000-memory.dmp

      Filesize

      32KB

    • memory/816-69-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/816-25-0x0000000004E60000-0x0000000004E82000-memory.dmp

      Filesize

      136KB

    • memory/816-65-0x0000000007590000-0x00000000075AA000-memory.dmp

      Filesize

      104KB

    • memory/816-64-0x0000000007490000-0x00000000074A4000-memory.dmp

      Filesize

      80KB

    • memory/816-63-0x0000000007480000-0x000000000748E000-memory.dmp

      Filesize

      56KB

    • memory/816-62-0x0000000007450000-0x0000000007461000-memory.dmp

      Filesize

      68KB

    • memory/816-61-0x00000000074D0000-0x0000000007566000-memory.dmp

      Filesize

      600KB

    • memory/816-15-0x0000000004970000-0x00000000049A6000-memory.dmp

      Filesize

      216KB

    • memory/816-16-0x0000000005150000-0x0000000005778000-memory.dmp

      Filesize

      6.2MB

    • memory/816-60-0x00000000072C0000-0x00000000072CA000-memory.dmp

      Filesize

      40KB

    • memory/816-17-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/816-59-0x0000000007250000-0x000000000726A000-memory.dmp

      Filesize

      104KB

    • memory/816-58-0x0000000007890000-0x0000000007F0A000-memory.dmp

      Filesize

      6.5MB

    • memory/816-57-0x0000000006F30000-0x0000000006FD3000-memory.dmp

      Filesize

      652KB

    • memory/816-19-0x0000000004B10000-0x0000000004B20000-memory.dmp

      Filesize

      64KB

    • memory/816-55-0x00000000064E0000-0x00000000064FE000-memory.dmp

      Filesize

      120KB

    • memory/816-45-0x0000000074C30000-0x0000000074C7C000-memory.dmp

      Filesize

      304KB

    • memory/816-44-0x0000000006EF0000-0x0000000006F22000-memory.dmp

      Filesize

      200KB

    • memory/816-43-0x000000007FA70000-0x000000007FA80000-memory.dmp

      Filesize

      64KB

    • memory/816-42-0x0000000005F60000-0x0000000005FAC000-memory.dmp

      Filesize

      304KB

    • memory/816-21-0x0000000004B10000-0x0000000004B20000-memory.dmp

      Filesize

      64KB

    • memory/816-41-0x0000000005F20000-0x0000000005F3E000-memory.dmp

      Filesize

      120KB

    • memory/816-56-0x0000000004B10000-0x0000000004B20000-memory.dmp

      Filesize

      64KB

    • memory/816-40-0x0000000005A60000-0x0000000005DB4000-memory.dmp

      Filesize

      3.3MB

    • memory/2288-20-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-7-0x0000000005520000-0x0000000005528000-memory.dmp

      Filesize

      32KB

    • memory/2288-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp

      Filesize

      5.6MB

    • memory/2288-28-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-4-0x0000000005550000-0x0000000005560000-memory.dmp

      Filesize

      64KB

    • memory/2288-3-0x0000000005360000-0x00000000053F2000-memory.dmp

      Filesize

      584KB

    • memory/2288-22-0x0000000005550000-0x0000000005560000-memory.dmp

      Filesize

      64KB

    • memory/2288-5-0x0000000005420000-0x000000000542A000-memory.dmp

      Filesize

      40KB

    • memory/2288-6-0x00000000054F0000-0x0000000005508000-memory.dmp

      Filesize

      96KB

    • memory/2288-1-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2288-10-0x0000000006790000-0x000000000682C000-memory.dmp

      Filesize

      624KB

    • memory/2288-0-0x0000000000920000-0x00000000009DC000-memory.dmp

      Filesize

      752KB

    • memory/2288-9-0x0000000006920000-0x000000000698A000-memory.dmp

      Filesize

      424KB

    • memory/2288-8-0x0000000005540000-0x000000000554A000-memory.dmp

      Filesize

      40KB

    • memory/2720-26-0x0000000005730000-0x0000000005796000-memory.dmp

      Filesize

      408KB

    • memory/2720-73-0x00000000058F0000-0x0000000005900000-memory.dmp

      Filesize

      64KB

    • memory/2720-23-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2720-29-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2720-70-0x0000000006E90000-0x0000000006EE0000-memory.dmp

      Filesize

      320KB

    • memory/2720-71-0x00000000070B0000-0x0000000007272000-memory.dmp

      Filesize

      1.8MB

    • memory/2720-72-0x00000000743D0000-0x0000000074B80000-memory.dmp

      Filesize

      7.7MB

    • memory/2720-35-0x00000000058F0000-0x0000000005900000-memory.dmp

      Filesize

      64KB