Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2023 09:26

General

  • Target

    YU SV Payment.exe

  • Size

    841KB

  • MD5

    c9586b5ef698248e11c6fc904ccd1e6d

  • SHA1

    3b2246ad338738d2d1dba1cbc7a751091149d338

  • SHA256

    cde4e54eecb8d93a3bf01b328a33b998ef032becee8b0e375225cbce85c4a548

  • SHA512

    114c617845d7061047db47893357e96703d70f576b4cd6d3c9822e94537a6efe8cea56babb22dae0181a0238b7595a49226780113810ad992a4bf1d2da38a2c9

  • SSDEEP

    24576:3MPBrU7n0K+4iAVilgobPwXGYfpBhtD/:S1Ug54xQlJc2Y3

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\YU SV Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\YU SV Payment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2944
    • 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\YU SV Payment.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\smltCUtWNLO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\smltCUtWNLO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDE9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2576
    • C:\Users\Admin\AppData\Local\Temp\YU SV Payment.exe
      "C:\Users\Admin\AppData\Local\Temp\YU SV Payment.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCDE9.tmp

    Filesize

    1KB

    MD5

    2788a54620346792ace5861ff672f2df

    SHA1

    48e67fdd47fe77dd6c6b9ebd7b1922cafd6be681

    SHA256

    a660bc2a80a23e7f273902f8a4b0be7049a44f1e23f15792517aca266176f611

    SHA512

    8a2fdeeced9744801fcf2b26323062d222386d20b6f4056e3c9b81221e0eb15cccdf526cbd5a2892140ea8cef499435d32ed86566f2819c8875015c26fd2e6ec

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RJD3Z8XI8O0LQANLSLVH.temp

    Filesize

    7KB

    MD5

    7a809a59ffcd542b7883175eda06160c

    SHA1

    805f8d12680667629fcbe63f268ac6a42165f71e

    SHA256

    20a05437ae33590638127ea09333c58b030d4cacc78624923f42932d6e817f7d

    SHA512

    801721459ef7b12368fa8c27db7b9d5b4d8fe762a2183318ec699baa721730ba3f686a649d082628adefc401db2cae31b13bf5a0be98923571c8901f6f585855

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

    Filesize

    7KB

    MD5

    7a809a59ffcd542b7883175eda06160c

    SHA1

    805f8d12680667629fcbe63f268ac6a42165f71e

    SHA256

    20a05437ae33590638127ea09333c58b030d4cacc78624923f42932d6e817f7d

    SHA512

    801721459ef7b12368fa8c27db7b9d5b4d8fe762a2183318ec699baa721730ba3f686a649d082628adefc401db2cae31b13bf5a0be98923571c8901f6f585855

  • memory/2572-45-0x0000000073F90000-0x000000007467E000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2572-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-36-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-42-0x0000000004D20000-0x0000000004D60000-memory.dmp

    Filesize

    256KB

  • memory/2572-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-50-0x0000000004D20000-0x0000000004D60000-memory.dmp

    Filesize

    256KB

  • memory/2572-51-0x0000000073F90000-0x000000007467E000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2572-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2584-48-0x000000006E1D0000-0x000000006E77B000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-44-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2584-41-0x000000006E1D0000-0x000000006E77B000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-37-0x000000006E1D0000-0x000000006E77B000-memory.dmp

    Filesize

    5.7MB

  • memory/2584-47-0x00000000026F0000-0x0000000002730000-memory.dmp

    Filesize

    256KB

  • memory/2656-43-0x0000000002520000-0x0000000002560000-memory.dmp

    Filesize

    256KB

  • memory/2656-46-0x0000000002520000-0x0000000002560000-memory.dmp

    Filesize

    256KB

  • memory/2656-38-0x000000006E1D0000-0x000000006E77B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-39-0x0000000002520000-0x0000000002560000-memory.dmp

    Filesize

    256KB

  • memory/2656-40-0x000000006E1D0000-0x000000006E77B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-49-0x000000006E1D0000-0x000000006E77B000-memory.dmp

    Filesize

    5.7MB

  • memory/2944-0-0x0000000000A00000-0x0000000000AD8000-memory.dmp

    Filesize

    864KB

  • memory/2944-35-0x0000000073F90000-0x000000007467E000-memory.dmp

    Filesize

    6.9MB

  • memory/2944-6-0x0000000005260000-0x00000000052DC000-memory.dmp

    Filesize

    496KB

  • memory/2944-7-0x0000000073F90000-0x000000007467E000-memory.dmp

    Filesize

    6.9MB

  • memory/2944-5-0x00000000009E0000-0x00000000009EA000-memory.dmp

    Filesize

    40KB

  • memory/2944-4-0x0000000000690000-0x0000000000698000-memory.dmp

    Filesize

    32KB

  • memory/2944-3-0x0000000000620000-0x000000000063A000-memory.dmp

    Filesize

    104KB

  • memory/2944-8-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB

  • memory/2944-2-0x0000000004D40000-0x0000000004D80000-memory.dmp

    Filesize

    256KB

  • memory/2944-1-0x0000000073F90000-0x000000007467E000-memory.dmp

    Filesize

    6.9MB