Analysis

  • max time kernel
    59s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/04/2023, 06:49

General

  • Target
    booking power of attorney and packing detail.exe
  • Size 917KB
  • Sample230413-hlchsabc4z
  • SHA256 268570fcac0939fe4c9bd216fef7879a584f50afef90a408fcb9efa004fbee13
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\booking power of attorney and packing detail.exe
    "C:\Users\Admin\AppData\Local\Temp\booking power of attorney and packing detail.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vooOxTigQhN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp10E8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5028
    • C:\Users\Admin\AppData\Local\Temp\booking power of attorney and packing detail.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4848

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        booking power of attorney and packing detail.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\booking power of attorney and packing detail.exe.log
        • Size 1KB
        • SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
        • MD5 SHA1 SHA512

        tmp10E8.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp10E8.tmp
        • Size 1KB
        • SHA256 3ceb264d795d6d01f207cfae7d4603c688d4370bc9745debfe7e4780797d9d2b
        • MD5 SHA1 SHA512

        memory/2188-137-0x0000000005090000-0x000000000509A000-memory.dmp

        memory/2188-134-0x0000000004FE0000-0x000000000507C000-memory.dmp

        memory/2188-133-0x0000000000570000-0x000000000065C000-memory.dmp

        memory/2188-138-0x0000000005310000-0x0000000005366000-memory.dmp

        memory/2188-139-0x0000000005110000-0x0000000005120000-memory.dmp

        memory/2188-140-0x0000000005110000-0x0000000005120000-memory.dmp

        memory/2188-135-0x0000000005630000-0x0000000005BD4000-memory.dmp

        memory/2188-136-0x0000000005120000-0x00000000051B2000-memory.dmp

        memory/4848-144-0x0000000000400000-0x0000000000430000-memory.dmp

        memory/4848-147-0x0000000005300000-0x0000000005366000-memory.dmp

        memory/4848-148-0x0000000005370000-0x0000000005380000-memory.dmp

        memory/4848-149-0x0000000006680000-0x00000000066D0000-memory.dmp

        memory/4848-150-0x00000000068A0000-0x0000000006A62000-memory.dmp

        memory/4848-151-0x0000000005370000-0x0000000005380000-memory.dmp