Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 17:03

General

  • Target

    PaymentofPO.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.

  • 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).

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\PaymentofPO.303092.exe
    "C:\Users\Admin\AppData\Local\Temp\PaymentofPO.303092.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2192
    • 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:2388
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTqEAcFwp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7EE0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2740
    • C:\Users\Admin\AppData\Local\Temp\PaymentofPO.303092.exe
      "C:\Users\Admin\AppData\Local\Temp\PaymentofPO.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:2284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7EE0.tmp

    Filesize

    1KB

    MD5

    5702a5a3e0398f50639db0e744335803

    SHA1

    3025a6ce15f18e735783dfdeebe97cb7176af4b9

    SHA256

    0fc6038b228932b32f55912d6f37e2cedf6076363ba0ec63bd5d0f43fe2efd6a

    SHA512

    4219e04550b448ac3636ea5056b1a20b9183440d939d4d0c892add769bda8567cf822b92a502e979bf20ebea33323f26b73a6bfe522458e22addc24a71450529

  • memory/2192-0-0x0000000000F40000-0x0000000000FFC000-memory.dmp

    Filesize

    752KB

  • memory/2192-1-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/2192-2-0x0000000000AF0000-0x0000000000B30000-memory.dmp

    Filesize

    256KB

  • memory/2192-3-0x0000000000570000-0x0000000000588000-memory.dmp

    Filesize

    96KB

  • memory/2192-4-0x0000000000550000-0x0000000000558000-memory.dmp

    Filesize

    32KB

  • memory/2192-5-0x0000000000590000-0x000000000059A000-memory.dmp

    Filesize

    40KB

  • memory/2192-6-0x0000000004D80000-0x0000000004DEA000-memory.dmp

    Filesize

    424KB

  • memory/2192-27-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2284-28-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2284-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2284-22-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2284-24-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2284-26-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2284-16-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2284-12-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2284-29-0x0000000004790000-0x00000000047D0000-memory.dmp

    Filesize

    256KB

  • memory/2284-37-0x0000000004790000-0x00000000047D0000-memory.dmp

    Filesize

    256KB

  • memory/2284-36-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-34-0x0000000001C10000-0x0000000001C50000-memory.dmp

    Filesize

    256KB

  • memory/2388-35-0x000000006F0D0000-0x000000006F67B000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-33-0x000000006F0D0000-0x000000006F67B000-memory.dmp

    Filesize

    5.7MB

  • memory/2388-32-0x000000006F0D0000-0x000000006F67B000-memory.dmp

    Filesize

    5.7MB