Analysis

  • max time kernel
    53s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2023 17:22

General

  • Target

    swft copy $57,000.00.exe

  • Size

    741KB

  • MD5

    40077888e6bb26f772519a6ed8e503b4

  • SHA1

    1b0026ac6a5a9ac704e211916f03dbf120529d0e

  • SHA256

    33f7516da3fd501837bfd69123229607d900dabf2d94d4f140b613a39c740c92

  • SHA512

    07411139bc664c2edb509b6461828fe7ec80ab209bfe9080a14c118cd39aeb9d7460a149184ced71b916c985e10fef7ad2942541f6d088422a32d99e8c0a126e

  • SSDEEP

    12288:nNNnqMhbkNyVL5pDEgTw3pO1mNAecKyihZj9196hBCyeT:n7ndxkNOpD5c3pEFePyihihBCyeT

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\swft copy $57,000.00.exe
    "C:\Users\Admin\AppData\Local\Temp\swft copy $57,000.00.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TNjgjbsA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAA9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:268
    • C:\Users\Admin\AppData\Local\Temp\swft copy $57,000.00.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBAA9.tmp

    Filesize

    1KB

    MD5

    b943581cbe39d6467f74382a97c0808f

    SHA1

    7e3ef98be6e1c5b09c6723ae3b32647c213b0fda

    SHA256

    f9e67b919c0bd431de8e3a51e80cf3e2b3904bd102b6a2b3e2c89e9cfa8a8594

    SHA512

    521dc4d4ce57dfead8db1c832cb80795a6e7e9cf33fa6d3039f6c2e5aa28d9ef2f0960d96719063bd0353fc207947264eb4f6ca5929efb45f8feb71fd8b52a16

  • memory/1416-54-0x0000000000890000-0x0000000000950000-memory.dmp

    Filesize

    768KB

  • memory/1416-55-0x0000000004330000-0x0000000004370000-memory.dmp

    Filesize

    256KB

  • memory/1416-56-0x0000000004200000-0x0000000004266000-memory.dmp

    Filesize

    408KB

  • memory/1416-57-0x0000000001F10000-0x0000000001F1C000-memory.dmp

    Filesize

    48KB

  • memory/1416-58-0x0000000004330000-0x0000000004370000-memory.dmp

    Filesize

    256KB

  • memory/1416-59-0x00000000050D0000-0x0000000005150000-memory.dmp

    Filesize

    512KB

  • memory/1416-60-0x0000000004480000-0x00000000044B0000-memory.dmp

    Filesize

    192KB

  • memory/1816-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1816-65-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1816-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1816-67-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1816-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1816-69-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1816-71-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1816-73-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1816-74-0x0000000004900000-0x0000000004940000-memory.dmp

    Filesize

    256KB

  • memory/1816-92-0x0000000004900000-0x0000000004940000-memory.dmp

    Filesize

    256KB