Analysis

  • max time kernel
    62s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2023 08:31

General

  • Target

    105 produtos listados.exe

  • Size

    922KB

  • MD5

    f0184d7d5a4112ddd3a2016abff85cba

  • SHA1

    4d6dac2b524a2c7ceedb8139226da7814034969d

  • SHA256

    2830200c6f723cc10db5cf9a9cbfa43a36d2709cc4150b6ebae51573eb68115a

  • SHA512

    0c528ab62c1078160ba720fd85133601c1c25aec795630959eb18eba1019354bf975880871c13bf9210230f9d9254e90343b3353d776b875298f71e815290917

  • SSDEEP

    24576:W8QKtUZGrxsYytnhkG3+R3NWm3HNcYOjS6r:PQKmZTtKySN33S/j

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5693068931:AAGSQSNIWDJM1FzeZVNHS020I9wVBrQdkRM/

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
  • 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\105 produtos listados.exe
    "C:\Users\Admin\AppData\Local\Temp\105 produtos listados.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1340
    • 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\105 produtos listados.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:976
    • C:\Users\Admin\AppData\Local\Temp\105 produtos listados.exe
      "C:\Users\Admin\AppData\Local\Temp\105 produtos listados.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/552-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/552-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-73-0x0000000004F00000-0x0000000004F40000-memory.dmp

    Filesize

    256KB

  • memory/552-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-92-0x0000000004F00000-0x0000000004F40000-memory.dmp

    Filesize

    256KB

  • memory/552-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/976-74-0x00000000025A0000-0x00000000025E0000-memory.dmp

    Filesize

    256KB

  • memory/1340-59-0x00000000056C0000-0x000000000576A000-memory.dmp

    Filesize

    680KB

  • memory/1340-54-0x00000000013C0000-0x00000000014AC000-memory.dmp

    Filesize

    944KB

  • memory/1340-57-0x00000000049C0000-0x0000000004A00000-memory.dmp

    Filesize

    256KB

  • memory/1340-56-0x0000000000670000-0x000000000068C000-memory.dmp

    Filesize

    112KB

  • memory/1340-60-0x0000000001360000-0x0000000001392000-memory.dmp

    Filesize

    200KB

  • memory/1340-55-0x00000000049C0000-0x0000000004A00000-memory.dmp

    Filesize

    256KB

  • memory/1340-58-0x0000000000A00000-0x0000000000A0C000-memory.dmp

    Filesize

    48KB