Resubmissions

05-09-2023 01:34

230905-by5lrsch46 10

Analysis

  • max time kernel
    119s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 01:20

General

  • Target

    e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe

  • Size

    648KB

  • MD5

    904d9a8a5b31139b3c895ef48806c646

  • SHA1

    23305c7323f220e8eb6b87f12244ca9419fda48f

  • SHA256

    e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0

  • SHA512

    71dbc2495b7b3e4e724340059b8cc8a74d3fde9a4367b008f74e3f63a987c34d61feeb8a4daf007712981fbf72d6f0268a4e9622e3cf87a89c3487669e415bda

  • SSDEEP

    12288:F97C0hXzJP7k4LycnkzaWkHKlABWD35LRl6/Vu9V:F9mSjK4yhoqOWb5Vl6/VuT

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
    "C:\Users\Admin\AppData\Local\Temp\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • 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\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2996
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YxTQbd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YxTQbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF48.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2524
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDF48.tmp

    Filesize

    1KB

    MD5

    6ee9a4894bae06bbab41bcb1b524d471

    SHA1

    1d760750a9c2c6d596ffed29dfaadf9e3d992ba8

    SHA256

    c6e13f06a369177ab41c563d094d338aed87aad4323f9f4caf57f82b8c631511

    SHA512

    636f48e2fc1f86b1f3e9a6db903e99592f0078f056b3f765c2e9bb516f433fd5b425924c1b1542b47feb0eccc5c78f13e56c794b2912e47362335e4232fadac3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\N7O9MPNXF1K6PC7BB8DE.temp

    Filesize

    7KB

    MD5

    2dd29ee64c11a0c5597b93381961930e

    SHA1

    2f55c3258590548801e682fadcbd330763b7fdc5

    SHA256

    3f7ed67e08601af70023fa4ea2331ef0ff9f9441cb24cbcdd0d32a177deebe68

    SHA512

    06ae01aff0bb29759a1b19d43c40bec669d996a8c407239cd5e826bf40a526746871404923ee6fb0d3394b8871267392eb28c4db1114cb47805a4944f979227e

  • memory/1680-4-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/1680-3-0x0000000000530000-0x0000000000544000-memory.dmp

    Filesize

    80KB

  • memory/1680-0-0x000000007450E000-0x000000007450F000-memory.dmp

    Filesize

    4KB

  • memory/1680-5-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-6-0x0000000000660000-0x000000000066E000-memory.dmp

    Filesize

    56KB

  • memory/1680-7-0x0000000005E90000-0x0000000005F0C000-memory.dmp

    Filesize

    496KB

  • memory/1680-2-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/1680-1-0x00000000003E0000-0x0000000000488000-memory.dmp

    Filesize

    672KB

  • memory/1680-33-0x0000000074500000-0x0000000074BEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2588-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2588-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB