Analysis

  • max time kernel
    26s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 10:07

General

  • Target

    91da29b9b6729b3c881374da6f4651e0N.exe

  • Size

    728KB

  • MD5

    91da29b9b6729b3c881374da6f4651e0

  • SHA1

    3f3e22ca85192a4e2cc7ca3035bee48fb76f4275

  • SHA256

    04a4b9b9d85f4dd19c80c9bfc90bf55d7858e1e00e9a505dffdc9bdf0b76f3a5

  • SHA512

    291052890bdbf3e244e2c96dbd65bd17686b91edadc7d140f437a3832b93b3b3bc0ff27a060146c07d823a21f3000a20863bd8b012b513d90719286f885a2979

  • SSDEEP

    12288:ytmcn3zLXAZDlcCjYe6svjddBnLJuZESYdNaQBImtb6U+DYiGA1A9rkR:yIE3zLGmAbTvBapaai7wYrGV

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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\91da29b9b6729b3c881374da6f4651e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\91da29b9b6729b3c881374da6f4651e0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2112
    • 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\91da29b9b6729b3c881374da6f4651e0N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SqsPZFtCN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SqsPZFtCN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A04.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2916
    • C:\Users\Admin\AppData\Local\Temp\91da29b9b6729b3c881374da6f4651e0N.exe
      "C:\Users\Admin\AppData\Local\Temp\91da29b9b6729b3c881374da6f4651e0N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3A04.tmp

    Filesize

    1KB

    MD5

    983dd2fa997041794564f9bb4f65e54e

    SHA1

    d78dcf566990d625108fad8198ce1ad92f8e66eb

    SHA256

    b540b83ca2aaecd9b630ae8f390109df6fade259d948d180f705b401d84dac4a

    SHA512

    a702175ed6324df0b37696696cc28b0496f2e46a0b429715e557ee6009ed8e7ecdbb56cb99317869141d3386c62d5aa2ac2057e6cbc5505ebbd5e8807c2c618f

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

    Filesize

    7KB

    MD5

    a1bcae4b4bceda308d7df66a7913f0d0

    SHA1

    85b3f5b6c430b528aa6dbc1e120d1a47d6bf871a

    SHA256

    db9f25e1c051809ea03a602b8f16c14de5c3e002bf6361d8cc9940068529e0f6

    SHA512

    d09d7ac8d8f95bf5dd8fb44ec92b76fc028d80ebda1f0a0004296e1f466f08997de1d8a790443c0000eec08970024e388db74ba1865ea247960aa3dd1c919042

  • memory/764-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/764-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/764-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/764-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/764-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/764-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/764-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/764-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2112-6-0x0000000005FE0000-0x0000000006064000-memory.dmp

    Filesize

    528KB

  • memory/2112-1-0x0000000000E50000-0x0000000000F0A000-memory.dmp

    Filesize

    744KB

  • memory/2112-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/2112-2-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-3-0x0000000000AC0000-0x0000000000AD0000-memory.dmp

    Filesize

    64KB

  • memory/2112-5-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB

  • memory/2112-4-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

    Filesize

    4KB

  • memory/2112-31-0x0000000074CB0000-0x000000007539E000-memory.dmp

    Filesize

    6.9MB