Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2023 13:17

General

  • Target

    tmp.exe

  • Size

    405KB

  • MD5

    8bfd7886121330aca3002b5b1e768740

  • SHA1

    1dae238a6f5c6fb2074f8f7e9dccdaa625ccc71e

  • SHA256

    03b950d316f2e66e637a9cfdd2f769d5a53296b0459df9cb6ed0fc0d25282958

  • SHA512

    48354e5f6af35bce559d1476752cea9ebc4637e7792f8531b452b076c9949dca2892948c85e5b42ceebdc45cc3c21d03ce039c22983451c7c38b939a08528ee1

  • SSDEEP

    6144:P8LxBsXwwT1Y0cFlY/gryMLsow0D4XWGUugY2zh6haFpT5JQajkcnu0tbhQKYh:xXlT1Ys4uMLsL0DXGhIz+YO4HtyKG

Malware Config

Signatures

  • AgentTesla

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

  • Executes dropped EXE 2 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Users\Admin\AppData\Local\Temp\doubbdi.exe
      "C:\Users\Admin\AppData\Local\Temp\doubbdi.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2424
      • C:\Users\Admin\AppData\Local\Temp\doubbdi.exe
        "C:\Users\Admin\AppData\Local\Temp\doubbdi.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\doubbdi.exe

    Filesize

    191KB

    MD5

    5a1232108d4d199c99de71a08c45f068

    SHA1

    817bb4b675853d2b36c99f0d6d9bf4d162c6000e

    SHA256

    1eaf29f23168f7506f681545f3355eafefa715d574d7f5e68a5523b6b4d92f55

    SHA512

    572facb4bf5e8415b37cb73992e843fffd9188b6929da139433f4ccc5a950a61dfbd8031f73667f1a4d976dbe06da7e0e747e168d5f23ac261608f72f8f62b5b

  • C:\Users\Admin\AppData\Local\Temp\doubbdi.exe

    Filesize

    191KB

    MD5

    5a1232108d4d199c99de71a08c45f068

    SHA1

    817bb4b675853d2b36c99f0d6d9bf4d162c6000e

    SHA256

    1eaf29f23168f7506f681545f3355eafefa715d574d7f5e68a5523b6b4d92f55

    SHA512

    572facb4bf5e8415b37cb73992e843fffd9188b6929da139433f4ccc5a950a61dfbd8031f73667f1a4d976dbe06da7e0e747e168d5f23ac261608f72f8f62b5b

  • C:\Users\Admin\AppData\Local\Temp\doubbdi.exe

    Filesize

    191KB

    MD5

    5a1232108d4d199c99de71a08c45f068

    SHA1

    817bb4b675853d2b36c99f0d6d9bf4d162c6000e

    SHA256

    1eaf29f23168f7506f681545f3355eafefa715d574d7f5e68a5523b6b4d92f55

    SHA512

    572facb4bf5e8415b37cb73992e843fffd9188b6929da139433f4ccc5a950a61dfbd8031f73667f1a4d976dbe06da7e0e747e168d5f23ac261608f72f8f62b5b

  • C:\Users\Admin\AppData\Local\Temp\pxqopxxmqh.mzk

    Filesize

    334KB

    MD5

    043bdf6ecd9749b3947423bc584f7af9

    SHA1

    7705ddeb913cb220c29a79859d6a76d64f3f7c46

    SHA256

    e53e05f266ca0f1e7e5f7c5fc91df1c9801cc708be3ae080f994aef1c2ef011c

    SHA512

    3e47886d7704bdcaa50e1484650e9ec01bc9c86ce3ee3d58bb74d09326e3d94ab83fe90009c75a4acdaa0a1fa7cd5e377f8f059040ef019737218b3f14fce065

  • memory/2424-5-0x0000000001180000-0x0000000001182000-memory.dmp

    Filesize

    8KB

  • memory/4808-15-0x0000000005660000-0x0000000005670000-memory.dmp

    Filesize

    64KB

  • memory/4808-17-0x0000000005660000-0x0000000005670000-memory.dmp

    Filesize

    64KB

  • memory/4808-10-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4808-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4808-12-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/4808-14-0x0000000005660000-0x0000000005670000-memory.dmp

    Filesize

    64KB

  • memory/4808-13-0x0000000002F80000-0x0000000002FC2000-memory.dmp

    Filesize

    264KB

  • memory/4808-7-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4808-16-0x0000000005C20000-0x00000000061C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4808-9-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4808-18-0x00000000057E0000-0x0000000005846000-memory.dmp

    Filesize

    408KB

  • memory/4808-19-0x00000000062D0000-0x0000000006320000-memory.dmp

    Filesize

    320KB

  • memory/4808-20-0x00000000063C0000-0x0000000006452000-memory.dmp

    Filesize

    584KB

  • memory/4808-21-0x0000000006370000-0x000000000637A000-memory.dmp

    Filesize

    40KB

  • memory/4808-22-0x0000000074A60000-0x0000000075210000-memory.dmp

    Filesize

    7.7MB

  • memory/4808-23-0x0000000005660000-0x0000000005670000-memory.dmp

    Filesize

    64KB

  • memory/4808-24-0x0000000005660000-0x0000000005670000-memory.dmp

    Filesize

    64KB

  • memory/4808-25-0x0000000005660000-0x0000000005670000-memory.dmp

    Filesize

    64KB

  • memory/4808-26-0x0000000005660000-0x0000000005670000-memory.dmp

    Filesize

    64KB