Analysis

  • max time kernel
    121s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 14:52

General

  • Target

    SOA_41457.exe

  • Size

    772KB

  • MD5

    f0be9493ae223f78ef2b7218f388ae87

  • SHA1

    69a0ad09c3b7c919d4f5c8729033f3a1db10a662

  • SHA256

    bf510c798632c88e648a0835dabebf4008a271ca94413ac2daaa87a963d4fd73

  • SHA512

    c30768325e0478a7fa14d0c8726852dcdb5e0cfc982df4bb2477c04b223c156d58a1d1e8b1969398ca90625ada2338c78130218a70db6f6d9f00fe72ab644d85

  • SSDEEP

    12288:KqTXJtaEc4qxpRzsqIaEa8hIcQqBjAq3SR7yNAwXtVYw1G3yFmGmhUD397rP+2/I:R9tuv/D0Lqqi2Ce1OiI

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA_41457.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA_41457.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2764
    • 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\SOA_41457.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2056
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FvOlvyo.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2488
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FvOlvyo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE447.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2580
    • C:\Users\Admin\AppData\Local\Temp\SOA_41457.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA_41457.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE447.tmp

    Filesize

    1KB

    MD5

    123a43ea019d36e29ef34430a1f93b6d

    SHA1

    133e36f492f1fe2aebefcbc630200c78ed5947a1

    SHA256

    6bf1660a0772f22bfbcccaac6894ef041208702faa12930fa002560daa160950

    SHA512

    7fdae63dea04b5b3b95f6aa25abfb63dd7f2d383bf67c1abacc9e869b5aa61a2a8c8f468f14c3c07041868e15aaba18fb5cc4dd0d426e99cd97688c951f6580d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\SWDO1ABSUP2R06BYJK21.temp

    Filesize

    7KB

    MD5

    330af65b1e7d81f91b4705fe1d4dbfd7

    SHA1

    d2d86752403e62a84bffb6bd51ce7bbcaf20f641

    SHA256

    b172d01982d6c0efb7c563455cf9f7bc2364f7f50bf8ad0462e78ed4d16df6e8

    SHA512

    39cba4cee6d9f8d0b7908b45c0c3ef025c5da8115e8c6d03de45dcc731db0d1fb9db8b716cd5d57e279556cac99954a95054440b9bdf66e1e2b19c4f50fcc923

  • memory/2544-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2544-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2544-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2544-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2544-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2544-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2544-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2544-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2764-6-0x0000000007600000-0x0000000007682000-memory.dmp

    Filesize

    520KB

  • memory/2764-1-0x00000000012D0000-0x0000000001394000-memory.dmp

    Filesize

    784KB

  • memory/2764-0-0x00000000743AE000-0x00000000743AF000-memory.dmp

    Filesize

    4KB

  • memory/2764-2-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-3-0x00000000006B0000-0x0000000000750000-memory.dmp

    Filesize

    640KB

  • memory/2764-5-0x0000000000420000-0x0000000000430000-memory.dmp

    Filesize

    64KB

  • memory/2764-4-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2764-31-0x00000000743A0000-0x0000000074A8E000-memory.dmp

    Filesize

    6.9MB