Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:07

General

  • Target

    7efd88b728d661a7ea183093cb30e3e6614b8bbd38567177c89e13ba578eb0e0.exe

  • Size

    751KB

  • MD5

    e9ce352553387ce91a58d056fa8e79d9

  • SHA1

    2cbb925f10b7b02b0d3500b4e6c6891a05542ae8

  • SHA256

    7efd88b728d661a7ea183093cb30e3e6614b8bbd38567177c89e13ba578eb0e0

  • SHA512

    370d7be156f8abd4307e06bdddeef0489c091228d46a2867ecf29095635b7c9a160a0cbc9f9234745fb8db8869a2f72ec28a15f087557bc016e19ee23633b151

  • SSDEEP

    12288:WsscUr/0LBnPVet1P5wwzmfyiapFcdWopHu3MK/NaTWydDtmACR5leZlNp:9oL4nPVefCfyiapFcdWo4cDZRmA+erD

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.

  • 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 WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7efd88b728d661a7ea183093cb30e3e6614b8bbd38567177c89e13ba578eb0e0.exe
    "C:\Users\Admin\AppData\Local\Temp\7efd88b728d661a7ea183093cb30e3e6614b8bbd38567177c89e13ba578eb0e0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:788
    • 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\7efd88b728d661a7ea183093cb30e3e6614b8bbd38567177c89e13ba578eb0e0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:292
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qpzpDEsx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2752
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qpzpDEsx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp55FC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\7efd88b728d661a7ea183093cb30e3e6614b8bbd38567177c89e13ba578eb0e0.exe
      "C:\Users\Admin\AppData\Local\Temp\7efd88b728d661a7ea183093cb30e3e6614b8bbd38567177c89e13ba578eb0e0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp55FC.tmp

    Filesize

    1KB

    MD5

    9a0b38c515f75b378cf01eaf0e277b66

    SHA1

    0e3dd7ee395a95703beb445943fadfe459ab4050

    SHA256

    16d02fae2393634578b1762902c656cd5bd99eb1293f12a86688b123da740e40

    SHA512

    ffa2fa3a3729bd68f0a45ea03fe5b3e99a90b58a91832838482a718218e9b983d0e448adb7027dade633e78cbc0bff4541e3980aea1c32d54809e5839b519027

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    332146a00633fc6fcab225570a4da16f

    SHA1

    3a816900e6c58432ce5cf5f95db1fb838d38547e

    SHA256

    8ac7bb3a34c7fc7e8955a72d8a1a14020b7fa6684949de39dba293101cef5675

    SHA512

    38e8d4a084f3041887b05d5447bfa0f0ceba8c58809d353ab18e83a491b95063b7da26a117f81f4b3ae1639c74210928d19ba1d4ed97da93d6fa0e6d58293e47

  • memory/788-30-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/788-1-0x00000000011D0000-0x0000000001292000-memory.dmp

    Filesize

    776KB

  • memory/788-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/788-3-0x00000000010D0000-0x00000000010F2000-memory.dmp

    Filesize

    136KB

  • memory/788-4-0x00000000004D0000-0x00000000004E0000-memory.dmp

    Filesize

    64KB

  • memory/788-5-0x0000000005DB0000-0x0000000005E32000-memory.dmp

    Filesize

    520KB

  • memory/788-0-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/2664-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2664-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2664-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB