Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 07:33

General

  • Target

    Invoice 3892764.exe

  • Size

    790KB

  • MD5

    e87a53f8119728e8c0e5432276f1fbd9

  • SHA1

    617316663be1c8fe0a31d7e989ce7eae0a93e922

  • SHA256

    279479d7f8311dc31a6123bb46451795ae79864582bccee23e3262119a218f34

  • SHA512

    e02ea27617448d7193ed9f43cc0f93a68e1861bcb2697e0c0d069f9c3a83c93002ddeb9ccdb770a83f97cb590e6aa4f850951bde773a89caa68874418943b873

  • SSDEEP

    12288:asxTA6qNb5y7QsDzVlEcSqXbUsiaB3xeX2lfpuMtUzKVXPTt0uSax:lxs6koFzAcSS+aneX2lwMlVXPZMs

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice 3892764.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2136-1-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2136-0-0x0000000000D60000-0x0000000000E2C000-memory.dmp

    Filesize

    816KB

  • memory/2136-2-0x0000000004E80000-0x0000000004EC0000-memory.dmp

    Filesize

    256KB

  • memory/2136-3-0x00000000004B0000-0x00000000004CC000-memory.dmp

    Filesize

    112KB

  • memory/2136-4-0x0000000000490000-0x000000000049C000-memory.dmp

    Filesize

    48KB

  • memory/2136-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2136-6-0x0000000004E80000-0x0000000004EC0000-memory.dmp

    Filesize

    256KB

  • memory/2136-7-0x0000000000520000-0x0000000000530000-memory.dmp

    Filesize

    64KB

  • memory/2136-8-0x00000000058D0000-0x000000000594C000-memory.dmp

    Filesize

    496KB

  • memory/2136-22-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2620-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2620-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-23-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2620-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-24-0x00000000042D0000-0x0000000004310000-memory.dmp

    Filesize

    256KB

  • memory/2620-25-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2620-26-0x00000000042D0000-0x0000000004310000-memory.dmp

    Filesize

    256KB