Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2023 15:42

General

  • Target

    NEAS.SecuriteInfo.com.Win32.PWSXgen.26938.21674.exe

  • Size

    990KB

  • MD5

    933906e31eed4d4ede37547d765992f2

  • SHA1

    5379553349aafcecf342c07be85094b3cbc3d3ed

  • SHA256

    7fe2f1e2921c288ad28013dc88093fb145ea91b9e167321c78d53d8fdef0f6ab

  • SHA512

    254dead6816124cb771d238620771bcd28e6fbda88c69f35c12dc84a919730b27e44e44f1d730943f0b57ce50bd02c3902dd8a7d7a6f11df1cf725eb4e1b1690

  • SSDEEP

    12288:+uWBa/mFiTEJ0+0OR8FCkoIs6B0MoS3K6AhZE56UG1De14ZAi29YUXrfOcjihE6T:ppS7hG5+z7cvQlpnx0cJ2LzXJFI

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 19 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\NEAS.SecuriteInfo.com.Win32.PWSXgen.26938.21674.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.SecuriteInfo.com.Win32.PWSXgen.26938.21674.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2136
    • 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\NEAS.SecuriteInfo.com.Win32.PWSXgen.26938.21674.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2752
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xzbmRUlvmESpp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xzbmRUlvmESpp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5A7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2544
    • C:\Users\Admin\AppData\Local\Temp\NEAS.SecuriteInfo.com.Win32.PWSXgen.26938.21674.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.SecuriteInfo.com.Win32.PWSXgen.26938.21674.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD5A7.tmp

    Filesize

    1KB

    MD5

    8e3fe1969a6f86b751497d87bf5e48be

    SHA1

    30e190218c3ced8b8a1c7b138b561a87f36ecf06

    SHA256

    5d51b7cae9a324e8ed5450981a259529113b83e9799308ba6d2dfca3585b0721

    SHA512

    32a719f934def26ec80554816923845fdbf4ff572e7155c57bcd791dd5930667eb857c199d36011dccdffbaecdf13ee52f9063ee98db208e20203ed0014e6c5c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E5Z34SL90CASU75KOM8Z.temp

    Filesize

    7KB

    MD5

    42a9daf90db28802efbdbb1f52064c93

    SHA1

    87744fe42eca2c4b86ef7a97e70823d806ffedb8

    SHA256

    41e2b25a651a2c03ff999b2122847242de5dc2684fb28610a5ee2da6c419b6af

    SHA512

    4d15f11035d41ecfeb625d8ec67fb8a1a994fa3626b4a6a055cc4212fc2a0ed6d17635073ad617abb73613cb778633edd43e650a08e60f240a41465432aa14e5

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

    Filesize

    7KB

    MD5

    42a9daf90db28802efbdbb1f52064c93

    SHA1

    87744fe42eca2c4b86ef7a97e70823d806ffedb8

    SHA256

    41e2b25a651a2c03ff999b2122847242de5dc2684fb28610a5ee2da6c419b6af

    SHA512

    4d15f11035d41ecfeb625d8ec67fb8a1a994fa3626b4a6a055cc4212fc2a0ed6d17635073ad617abb73613cb778633edd43e650a08e60f240a41465432aa14e5

  • memory/2136-0-0x0000000000EE0000-0x0000000000FDC000-memory.dmp

    Filesize

    1008KB

  • memory/2136-1-0x0000000074930000-0x000000007501E000-memory.dmp

    Filesize

    6.9MB

  • memory/2136-2-0x0000000000C60000-0x0000000000CA0000-memory.dmp

    Filesize

    256KB

  • memory/2136-3-0x0000000000470000-0x0000000000486000-memory.dmp

    Filesize

    88KB

  • memory/2136-4-0x0000000000490000-0x000000000049A000-memory.dmp

    Filesize

    40KB

  • memory/2136-5-0x0000000005E60000-0x0000000005F10000-memory.dmp

    Filesize

    704KB

  • memory/2136-6-0x0000000074930000-0x000000007501E000-memory.dmp

    Filesize

    6.9MB

  • memory/2136-7-0x0000000000C60000-0x0000000000CA0000-memory.dmp

    Filesize

    256KB

  • memory/2136-32-0x0000000074930000-0x000000007501E000-memory.dmp

    Filesize

    6.9MB

  • memory/2584-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2584-44-0x0000000074930000-0x000000007501E000-memory.dmp

    Filesize

    6.9MB

  • memory/2584-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2584-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2584-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2584-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2584-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2584-31-0x0000000074930000-0x000000007501E000-memory.dmp

    Filesize

    6.9MB

  • memory/2584-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2584-45-0x0000000004C10000-0x0000000004C50000-memory.dmp

    Filesize

    256KB

  • memory/2584-34-0x0000000004C10000-0x0000000004C50000-memory.dmp

    Filesize

    256KB

  • memory/2584-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2752-35-0x0000000002750000-0x0000000002790000-memory.dmp

    Filesize

    256KB

  • memory/2752-39-0x0000000002750000-0x0000000002790000-memory.dmp

    Filesize

    256KB

  • memory/2752-41-0x0000000002750000-0x0000000002790000-memory.dmp

    Filesize

    256KB

  • memory/2752-43-0x000000006F8D0000-0x000000006FE7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2752-36-0x000000006F8D0000-0x000000006FE7B000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-37-0x000000006F8D0000-0x000000006FE7B000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-38-0x0000000002650000-0x0000000002690000-memory.dmp

    Filesize

    256KB

  • memory/3056-40-0x0000000002650000-0x0000000002690000-memory.dmp

    Filesize

    256KB

  • memory/3056-42-0x000000006F8D0000-0x000000006FE7B000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-33-0x000000006F8D0000-0x000000006FE7B000-memory.dmp

    Filesize

    5.7MB