Resubmissions

11-12-2024 00:18

241211-alx6gswnbx 10

11-12-2024 00:16

241211-akl2ts1ldr 3

11-12-2024 00:14

241211-ajr7fswmd1 3

11-12-2024 00:12

241211-ag75wswlhz 10

04-09-2024 14:53

240904-r9kzhasdqr 10

Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-09-2024 14:53

General

  • Target

    39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe

  • Size

    496KB

  • MD5

    6285ae9a1953232716b7817c6bce1ba6

  • SHA1

    8ea818cd4c61b6c53a5eea7f5ff19cdd9e60a8fb

  • SHA256

    39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287

  • SHA512

    2dbdebc96f92dfda7a146f3ade91af8b4ac66ab9dd9d51b5efb72a0b5cd789086b49cdb435e837a013d7a29e9a4a9c148ad5ece84e2129fad84c5944b9485581

  • SSDEEP

    12288:fPVEdXo7/apwbQB6R751Hlie+XhTalWP6lTcNeH1ug2nMnMqDXWxbnN:3VKu/jbp3lihmUiKwHs

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1944842353:AAF4AUZAlM1Eseaom3hr9cg9ol6hzIat_qw/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 3 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
    "C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aIsPxrpSE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCAFD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2612
    • C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
      "C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/980-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/980-25-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/980-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/980-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/980-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/980-26-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/980-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/980-21-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/980-28-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/980-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2708-7-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-6-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/2708-5-0x0000000000A60000-0x0000000000A6E000-memory.dmp

    Filesize

    56KB

  • memory/2708-1-0x0000000000C70000-0x0000000000CF2000-memory.dmp

    Filesize

    520KB

  • memory/2708-4-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/2708-3-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-2-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-27-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2708-8-0x0000000004A20000-0x0000000004A80000-memory.dmp

    Filesize

    384KB