Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 11:09

General

  • Target

    PO-24-0146.exe

  • Size

    635KB

  • MD5

    97a1f463d7892e916c06e18e772be8ea

  • SHA1

    a9b8899a1f18739f90be637c4c9e5969a3bad0f8

  • SHA256

    4d71dea7fedeac5da79730368e3e524f82efcfa368293651bf6c0bb0e423eb8c

  • SHA512

    ea6c51f72491ea7bebe2c8ee19d6672a83c946e9d7d564fc512d9e6a08055bc4728b0f08b135641622d8e4bbcd05f2b912418aed75302460367f311e47fe98ad

  • SSDEEP

    12288:ZtsZcDt2CkcMtutKe6KJnl0umT4aRZbzXBRb9ZPD4:MMofluLzmTLPPD4

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2856
    • 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\PO-24-0146.exe"
      2⤵
        PID:2740
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIlwbG.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2596
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIlwbG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp390A.tmp"
        2⤵
        • Creates scheduled task(s)
        PID:2652
      • C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe
        "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2700

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp390A.tmp

            Filesize

            1KB

            MD5

            0b2c5ea6422aeec3a068a115f550d5a9

            SHA1

            9ecbc75c9080ba0b782c4d268bf756054fe288b4

            SHA256

            67473788526ec0147dc873b891f9857a073fed78fcd965c5567eb67c17d78ec0

            SHA512

            82f0d85e5958b2f1198625fe412d6423a3b64bd0b9f5576e87cb1069069cab0496d89e900e1e6577a6bfe13904c8d9b1be7f0513b2042af66d3acd4e0c3c9b6a

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\I7R3QBHM8M6GJHP6VANU.temp

            Filesize

            7KB

            MD5

            6242e79822f3fde2d205296e5f15d80b

            SHA1

            f38126a1e2521d5a63d22eabba613ffd2a9fcff0

            SHA256

            801d43292838f34a0217f61e43f653d8689acc4169d15602ab33f44178cd9339

            SHA512

            160c245e94012f961882cf5ad05b2faed56af9ef926958f46299c401be89bc52ef837423429009e669ee8e2bc56edb6086af83672d31591d7550fe0b14394677

          • memory/2596-20-0x000000006EB00000-0x000000006F0AB000-memory.dmp

            Filesize

            5.7MB

          • memory/2596-23-0x000000006EB00000-0x000000006F0AB000-memory.dmp

            Filesize

            5.7MB

          • memory/2596-37-0x000000006EB00000-0x000000006F0AB000-memory.dmp

            Filesize

            5.7MB

          • memory/2700-32-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2700-35-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2700-38-0x0000000073580000-0x0000000073C6E000-memory.dmp

            Filesize

            6.9MB

          • memory/2700-39-0x0000000004970000-0x00000000049B0000-memory.dmp

            Filesize

            256KB

          • memory/2700-21-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2700-30-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2700-36-0x0000000073580000-0x0000000073C6E000-memory.dmp

            Filesize

            6.9MB

          • memory/2700-24-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2700-26-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2700-27-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2700-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2740-19-0x000000006EB00000-0x000000006F0AB000-memory.dmp

            Filesize

            5.7MB

          • memory/2856-6-0x0000000004770000-0x00000000047F2000-memory.dmp

            Filesize

            520KB

          • memory/2856-34-0x0000000074A20000-0x000000007510E000-memory.dmp

            Filesize

            6.9MB

          • memory/2856-0-0x0000000000FF0000-0x0000000001096000-memory.dmp

            Filesize

            664KB

          • memory/2856-5-0x00000000006D0000-0x00000000006DC000-memory.dmp

            Filesize

            48KB

          • memory/2856-4-0x00000000006C0000-0x00000000006CA000-memory.dmp

            Filesize

            40KB

          • memory/2856-3-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/2856-2-0x0000000004E50000-0x0000000004E90000-memory.dmp

            Filesize

            256KB

          • memory/2856-1-0x0000000074A20000-0x000000007510E000-memory.dmp

            Filesize

            6.9MB