Analysis

  • max time kernel
    49s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2023 15:08

General

  • Target

    LPO Purchase Lists XLs.exe

  • Size

    1.3MB

  • MD5

    566664857039f73dc99d94bfef7b8d0c

  • SHA1

    a2f218ca707e05f7f41e8f99befd9e7318786eea

  • SHA256

    70d7ae6af8ef6d23fe1adad5a31e97c8f03607bfbc00afb7534f55a988a0e0f9

  • SHA512

    6aaea2a2e4609252e8adbdd499ae10e95e3bf54d234fe2ba551769a2185b3ee22547679fd14039dd96f1630494ac59b8e3bc0c6cdc19625075e56e3c9fa949c5

  • SSDEEP

    24576:BH7dmPvI4mL2G4qhe0QT3yd2OluON4fA9uC:SfmzDfq3yd2OluON4fA9u

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.lucd.ru
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    obum@911

Signatures

  • AgentTesla

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LPO Purchase Lists XLs.exe
    "C:\Users\Admin\AppData\Local\Temp\LPO Purchase Lists XLs.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\LPO Purchase Lists XLs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/552-69-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-60-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-92-0x00000000012D0000-0x0000000001310000-memory.dmp

    Filesize

    256KB

  • memory/552-70-0x00000000012D0000-0x0000000001310000-memory.dmp

    Filesize

    256KB

  • memory/552-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/552-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/552-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/848-58-0x0000000005CF0000-0x0000000005D98000-memory.dmp

    Filesize

    672KB

  • memory/848-55-0x0000000004F00000-0x0000000004F40000-memory.dmp

    Filesize

    256KB

  • memory/848-54-0x0000000001380000-0x00000000014CA000-memory.dmp

    Filesize

    1.3MB

  • memory/848-59-0x00000000009A0000-0x0000000000A00000-memory.dmp

    Filesize

    384KB

  • memory/848-57-0x0000000004F00000-0x0000000004F40000-memory.dmp

    Filesize

    256KB

  • memory/848-56-0x0000000000360000-0x0000000000374000-memory.dmp

    Filesize

    80KB