Analysis

  • max time kernel
    36s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 08:16

General

  • Target

    eFatura_ETN2024000000575_Ekleri.exe

  • Size

    647KB

  • MD5

    35afa9c536b9743ed6bf8615d5fe823b

  • SHA1

    36f9ec8c68391760bbaebd0f4555bb4cabb0ae32

  • SHA256

    b70065cfa09b2db420f89631e95a49daf021760dda72d34b5d57c232ac4fb48d

  • SHA512

    894d8785d0de941969d04a2f4b584e3a7286845866787e321167bfbc03c204555a89eedfe34215a18941074e798152d9349e8add56ed087d562e47d653d7de1e

  • SSDEEP

    12288:Gvi9i72la8/Tm3rmH+m9toq19b0SlVg/1ti3taZsOoFtOcjrgovukbKJ9WCQhiZE:/kE9636XDbBg9Y3tydoF5jrrtbQ9lAi+

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\eFatura_ETN2024000000575_Ekleri.exe
    "C:\Users\Admin\AppData\Local\Temp\eFatura_ETN2024000000575_Ekleri.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1092
    • 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\eFatura_ETN2024000000575_Ekleri.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1808
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mnikYmkIu.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mnikYmkIu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FD0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2856
    • C:\Users\Admin\AppData\Local\Temp\eFatura_ETN2024000000575_Ekleri.exe
      "C:\Users\Admin\AppData\Local\Temp\eFatura_ETN2024000000575_Ekleri.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1FD0.tmp

    Filesize

    1KB

    MD5

    fec827df8fde9f2a2f894cc380c9b8ed

    SHA1

    b150a68611432562bcb34a5d7bdf70452e14f6dd

    SHA256

    e43d17839752556eff99a62482931912fa03ac29d10107c9f4cb37c65eda9752

    SHA512

    9bbba20e40bca784988cdd0ae457bc109b67cda7ad0d0c46ce38222a4928f4eabd2b667d733a119f239e7cc7bd7ecb6d7f2145827f2548d7bde95421f0b472eb

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

    Filesize

    7KB

    MD5

    2d6c0311ba5cf28a855e46001382faf3

    SHA1

    a386722f188c5c963b27a747ba1e8964bf8bdacf

    SHA256

    84f99ebe8da5f7690822e64c46417f26d22e9597e397b70d387210ca35e50f02

    SHA512

    ec28df27de62c5630bb3ebf89330e8d80c3b51d9b7d8527030e15fae9e9dcf1f7c2877726b718616c29de3a8cd9fc5c76354bdc440963a2f0b4c9c133ca7322a

  • memory/1092-4-0x000000007495E000-0x000000007495F000-memory.dmp

    Filesize

    4KB

  • memory/1092-31-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/1092-0-0x000000007495E000-0x000000007495F000-memory.dmp

    Filesize

    4KB

  • memory/1092-5-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/1092-6-0x0000000005240000-0x00000000052C4000-memory.dmp

    Filesize

    528KB

  • memory/1092-2-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/1092-1-0x0000000000ED0000-0x0000000000F74000-memory.dmp

    Filesize

    656KB

  • memory/1092-3-0x0000000000410000-0x0000000000420000-memory.dmp

    Filesize

    64KB

  • memory/2056-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-28-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2056-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2056-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB