Analysis

  • max time kernel
    124s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2023 01:02

General

  • Target

    Install/Bank Millennium S.A._Kopia potwierdzenia platnosci_EU1212230045320000003.exe

  • Size

    300.0MB

  • MD5

    e7335f11d389e6daf13fcc52218f7201

  • SHA1

    1386458b60e219065302a9832e1412967dd3f7f1

  • SHA256

    56e05298c86d6fc8c2c97640d623462125c47337cb05fb2f845539252d5899c1

  • SHA512

    0221847e7626e3180969380d15b9cac34a3e243251343434b9b8169a42598a0f5bd2f98c2a94d0f4da4a9daf493ed13d698807477bdd815932dcdd178b1455b3

  • SSDEEP

    6144:yM5ceRPedz9t1+3cZcoeAMaAyVKKNhRhx64Su/FDbFHGS/OOi98Xy:YoPedz9BeGAyVXP9/VZX/OwXy

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install\Bank Millennium S.A._Kopia potwierdzenia platnosci_EU1212230045320000003.exe
    "C:\Users\Admin\AppData\Local\Temp\Install\Bank Millennium S.A._Kopia potwierdzenia platnosci_EU1212230045320000003.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5024
    • C:\Users\Admin\AppData\Local\Temp\Install\Bank Millennium S.A._Kopia potwierdzenia platnosci_EU1212230045320000003.exe
      "C:\Users\Admin\AppData\Local\Temp\Install\Bank Millennium S.A._Kopia potwierdzenia platnosci_EU1212230045320000003.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bank Millennium S.A._Kopia potwierdzenia platnosci_EU1212230045320000003.exe.log

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

  • memory/5024-7-0x0000000074C10000-0x00000000753C0000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-1-0x0000000074C10000-0x00000000753C0000-memory.dmp

    Filesize

    7.7MB

  • memory/5024-2-0x0000000004CA0000-0x0000000004CB0000-memory.dmp

    Filesize

    64KB

  • memory/5024-3-0x00000000024C0000-0x00000000024C1000-memory.dmp

    Filesize

    4KB

  • memory/5024-0-0x0000000000160000-0x00000000001CA000-memory.dmp

    Filesize

    424KB

  • memory/5096-9-0x0000000005870000-0x0000000005E14000-memory.dmp

    Filesize

    5.6MB

  • memory/5096-8-0x0000000074C10000-0x00000000753C0000-memory.dmp

    Filesize

    7.7MB

  • memory/5096-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/5096-11-0x0000000005460000-0x00000000054C6000-memory.dmp

    Filesize

    408KB

  • memory/5096-10-0x00000000053E0000-0x00000000053F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-12-0x0000000006230000-0x0000000006280000-memory.dmp

    Filesize

    320KB

  • memory/5096-13-0x0000000006320000-0x00000000063BC000-memory.dmp

    Filesize

    624KB

  • memory/5096-14-0x0000000074C10000-0x00000000753C0000-memory.dmp

    Filesize

    7.7MB

  • memory/5096-15-0x00000000053E0000-0x00000000053F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-16-0x0000000006660000-0x00000000066F2000-memory.dmp

    Filesize

    584KB

  • memory/5096-17-0x00000000065E0000-0x00000000065EA000-memory.dmp

    Filesize

    40KB