Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    15-08-2023 09:23

General

  • Target

    Purchase Order_sk1109811.exe

  • Size

    1.4MB

  • MD5

    8306babc704fd78660862c0c4213a924

  • SHA1

    e930d227cfb29a2b7c358fbbecee898f8bc0c3b6

  • SHA256

    0a11257873d5786d74c6521640664c516fbd058aba5677bb2487f9b6be197508

  • SHA512

    1f7cc8fbb29eb5502801592377728bfab38f4ca65c39a2ba3d1ee4aefe51e76a416efa77c80878d8ae4ef5e155bfc4110afa33a73de6fc93ec466cfe5dd172a9

  • SSDEEP

    24576:TaOgu/O+YeZxqcKZOUmRs6CE3jLMpppdpppppUO9Rs6CE3jLMpppdpppppUOv+Wk:mu2+YerqTGRs6CE3jLbO9Rs6CE3jLbO4

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order_sk1109811.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order_sk1109811.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uIHXPQhWQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA2E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2540
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:3004
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3008

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpA2E.tmp

      Filesize

      1KB

      MD5

      a0a27e354f33d3ebf6d93b94ce9d864a

      SHA1

      8c732bdf05cff200744ff1a18953e4e73baa28c3

      SHA256

      e93a5d20e1b3d86f887266474ca46df6fc3b06c7ea8ea2df3e5d20ce19aed1ae

      SHA512

      9cfd35d7128bdf697e33d244bdce74e6671d5cc7419cabdb38374a4de231b655cad0b86db28914df8e8361a55b215593cde9e84b33c3ffa14417cfa8174489b0

    • memory/2616-54-0x00000000003C0000-0x0000000000528000-memory.dmp

      Filesize

      1.4MB

    • memory/2616-55-0x0000000074C70000-0x000000007535E000-memory.dmp

      Filesize

      6.9MB

    • memory/2616-56-0x00000000007A0000-0x00000000007E0000-memory.dmp

      Filesize

      256KB

    • memory/2616-57-0x0000000074C70000-0x000000007535E000-memory.dmp

      Filesize

      6.9MB

    • memory/2616-58-0x00000000007A0000-0x00000000007E0000-memory.dmp

      Filesize

      256KB

    • memory/2616-59-0x0000000000530000-0x0000000000544000-memory.dmp

      Filesize

      80KB

    • memory/2616-60-0x0000000002220000-0x000000000229E000-memory.dmp

      Filesize

      504KB

    • memory/2616-61-0x0000000004440000-0x0000000004474000-memory.dmp

      Filesize

      208KB

    • memory/2616-79-0x0000000074C70000-0x000000007535E000-memory.dmp

      Filesize

      6.9MB

    • memory/3008-69-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3008-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3008-71-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3008-75-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3008-67-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3008-77-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3008-65-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3008-80-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3008-81-0x0000000074580000-0x0000000074C6E000-memory.dmp

      Filesize

      6.9MB

    • memory/3008-82-0x0000000004C90000-0x0000000004CD0000-memory.dmp

      Filesize

      256KB