Analysis

  • max time kernel
    60s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2023 14:33

General

  • Target

    ZAPLATA_.exe

  • Size

    897KB

  • MD5

    329e03101e0fec36781faf86a5aaa792

  • SHA1

    49c0ad5e64a233457cdbef0453ad39384827ca07

  • SHA256

    cdf98bf6fe9116cd690e0ce497a9562e32e862ef6e25a567ade5c971967d7a74

  • SHA512

    6aa1d84d135b006a631576763dca3ae018473131d58395e3660539c0c92cf377f71cb241d4a70c4b2bede1d9915e85952e276d31f1664b70ddcb26cd63c58d17

  • SSDEEP

    12288:d+FO8lpXU5ZkXJN/MXLNqLA94UaWh8sDZ42vgroU/LTNv6ViazIksVwLpVrEccES:PqLA2S8szvZCNvszZ0wnrvc5ofiv1U

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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ZAPLATA_.exe
    "C:\Users\Admin\AppData\Local\Temp\ZAPLATA_.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Users\Admin\AppData\Local\Temp\ZAPLATA_.exe
      "C:\Users\Admin\AppData\Local\Temp\ZAPLATA_.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1312-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1312-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1312-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1312-66-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1312-73-0x0000000004E30000-0x0000000004E70000-memory.dmp

    Filesize

    256KB

  • memory/1312-71-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1312-69-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1312-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1312-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1312-91-0x0000000004E30000-0x0000000004E70000-memory.dmp

    Filesize

    256KB

  • memory/1724-56-0x00000000006C0000-0x00000000006DC000-memory.dmp

    Filesize

    112KB

  • memory/1724-61-0x0000000001230000-0x0000000001262000-memory.dmp

    Filesize

    200KB

  • memory/1724-54-0x00000000012A0000-0x0000000001386000-memory.dmp

    Filesize

    920KB

  • memory/1724-55-0x0000000004CD0000-0x0000000004D10000-memory.dmp

    Filesize

    256KB

  • memory/1724-60-0x0000000001210000-0x0000000001216000-memory.dmp

    Filesize

    24KB

  • memory/1724-59-0x00000000055E0000-0x000000000568A000-memory.dmp

    Filesize

    680KB

  • memory/1724-72-0x0000000004CD5000-0x0000000004CF3000-memory.dmp

    Filesize

    120KB

  • memory/1724-58-0x00000000006E0000-0x00000000006EC000-memory.dmp

    Filesize

    48KB

  • memory/1724-57-0x0000000004CD0000-0x0000000004D10000-memory.dmp

    Filesize

    256KB