Analysis

  • max time kernel
    89s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    03-04-2023 11:26

General

  • Target

    31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe

  • Size

    923KB

  • MD5

    5aa33c0ff774e15ceda6fb3f19f4bc9c

  • SHA1

    e473649407f5dce2f99f5ef8b26210f73f887292

  • SHA256

    31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33

  • SHA512

    59c9aa58c4fdf713deb339727f6faf2e1c64b6fdf4df8568eaa6216d236a521ed48f991cc839fd5f7b6856e68d30452dde57e692aad7d018547fd8fb4e614cf4

  • SSDEEP

    12288:EQwGNnSZcCyKxaP0AO9ee5dR6MOMeF2qSafV/wcE0yE9kkDpTQ7UpikAOROPrXkb:EQTgZc9U4OBPtSfVoe9kR709k

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    graceofgod@amenn

Signatures

  • AgentTesla

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

  • AgentTesla payload 7 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe
    "C:\Users\Admin\AppData\Local\Temp\31172a6da2d4b232acc28aac3e7345a428f73aa67430f5da1ad436ddc48eba33.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZBvXLPcGcFJWf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:268
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZBvXLPcGcFJWf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC17C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1628
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1800
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1100

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpC17C.tmp
      Filesize

      1KB

      MD5

      6fdb9fa4e84b0d09eeaddd3599491e47

      SHA1

      bbfad1d695a3157eddbe4693f1d32d4d9660e82f

      SHA256

      976046a84e13f5123fb7454ec23d1ce4a0e5b6fc58226fbeeb8e319cb6633494

      SHA512

      011d4ba266fb1aa168fadf39a9e01f48fecc71a1ad02ef7a525a5cd8422f538893feca489212f1c09026d73f1cdff41bc72593d910913b5cf86d48e921129bd1

    • memory/268-82-0x00000000026D0000-0x0000000002710000-memory.dmp
      Filesize

      256KB

    • memory/268-80-0x00000000026D0000-0x0000000002710000-memory.dmp
      Filesize

      256KB

    • memory/268-76-0x00000000026D0000-0x0000000002710000-memory.dmp
      Filesize

      256KB

    • memory/1100-70-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1100-74-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1100-81-0x0000000004BD0000-0x0000000004C10000-memory.dmp
      Filesize

      256KB

    • memory/1100-79-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1100-77-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1100-69-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1100-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/1100-72-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1100-71-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1536-59-0x0000000007760000-0x0000000007816000-memory.dmp
      Filesize

      728KB

    • memory/1536-54-0x00000000003B0000-0x000000000049E000-memory.dmp
      Filesize

      952KB

    • memory/1536-57-0x0000000006FF0000-0x0000000007030000-memory.dmp
      Filesize

      256KB

    • memory/1536-66-0x0000000007190000-0x00000000071CE000-memory.dmp
      Filesize

      248KB

    • memory/1536-65-0x00000000043B0000-0x00000000043B6000-memory.dmp
      Filesize

      24KB

    • memory/1536-56-0x0000000001D80000-0x0000000001D9A000-memory.dmp
      Filesize

      104KB

    • memory/1536-58-0x0000000000500000-0x000000000050C000-memory.dmp
      Filesize

      48KB

    • memory/1536-55-0x0000000006FF0000-0x0000000007030000-memory.dmp
      Filesize

      256KB