Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 18:28

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.7037.exe

  • Size

    665KB

  • MD5

    96f35afff27509e6f78a8add621120a7

  • SHA1

    1b095ff5a3ca286029c72dca0bdca94eeffac305

  • SHA256

    ba5b23fdbec77442d3d5e9e87ea46dba8ce7df395fa5668edabe9be96eebae10

  • SHA512

    c27e90ce2e782f7a8dc3923e324aa654d9cd68554214438b9680003f98d1b0f9288cb7b2c601ccc084a82aa1db0e30ab89e485361c84e1b5521d13c9911fb6b2

  • SSDEEP

    12288:Aqc3+GCueH5qNvmL3z8pucAmKE4uqSAs1xVHel9C+0RU2IWUkRmLhR:A/uG2qc36uuKEBPNHelY+0pzNmz

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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7037.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7037.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AiCuUAmhRTLtO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2180
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AiCuUAmhRTLtO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F96.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2212
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7037.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.7037.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4F96.tmp

    Filesize

    1KB

    MD5

    4ca5e2696b46ba5fb17f88b6c45dedb4

    SHA1

    b9db4a1dbe208686ae0c87b48ccabf2432427b14

    SHA256

    eaaa58d8ac8750e323d0fe984c110a8cbbff6b8ca3c1c159ec47ca03855f3b0d

    SHA512

    54b04140befdc71b6e66573fc1a7ee12305da0f5fe878bfc7d16adda01c7c53e5f8fdc0b2132e7986577b4bea4d585b991d5c2d715abfb79e5a8af1e48d0b074

  • memory/2180-34-0x000000006F1B0000-0x000000006F75B000-memory.dmp

    Filesize

    5.7MB

  • memory/2180-31-0x0000000002C10000-0x0000000002C50000-memory.dmp

    Filesize

    256KB

  • memory/2180-30-0x000000006F1B0000-0x000000006F75B000-memory.dmp

    Filesize

    5.7MB

  • memory/2180-29-0x0000000002C10000-0x0000000002C50000-memory.dmp

    Filesize

    256KB

  • memory/2180-28-0x000000006F1B0000-0x000000006F75B000-memory.dmp

    Filesize

    5.7MB

  • memory/2680-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2680-26-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2680-14-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2680-15-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2680-16-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2680-18-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2680-36-0x0000000004E60000-0x0000000004EA0000-memory.dmp

    Filesize

    256KB

  • memory/2680-22-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2680-24-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2680-35-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-33-0x0000000004E60000-0x0000000004EA0000-memory.dmp

    Filesize

    256KB

  • memory/2680-32-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-4-0x00000000005A0000-0x00000000005A8000-memory.dmp

    Filesize

    32KB

  • memory/2968-3-0x0000000000540000-0x000000000055A000-memory.dmp

    Filesize

    104KB

  • memory/2968-2-0x0000000004530000-0x0000000004570000-memory.dmp

    Filesize

    256KB

  • memory/2968-5-0x00000000005B0000-0x00000000005BA000-memory.dmp

    Filesize

    40KB

  • memory/2968-27-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-1-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-6-0x0000000005630000-0x000000000569A000-memory.dmp

    Filesize

    424KB

  • memory/2968-0-0x0000000000F50000-0x0000000000FFC000-memory.dmp

    Filesize

    688KB