Analysis

  • max time kernel
    133s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:19

General

  • Target

    SWIFT.exe

  • Size

    708KB

  • MD5

    6b8091a3446c4794afe76977c38e91fa

  • SHA1

    ee78f43f53f4b4dc63e8a1ae246a2bfe91b19e98

  • SHA256

    b676494a4538d77ebd0d61fac6e6b2609201f46c9c63fd817990b48b8031bb71

  • SHA512

    4e076e7b79660bc80275b7613494afe340aee1189a2d65f6c5c9eade902f89d820823a6c60a352ee3dbf4a9bac00c52c40894ab9e17dbb974d5388d0a027d2af

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aquariuslogistics.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AQL@2019#$

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nGADTNiT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E1E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3220
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1224
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1096

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5E1E.tmp

    Filesize

    1KB

    MD5

    0764bc804c56030c64f168bb4d6c8b57

    SHA1

    1fb03bda6d1e03ee07fedafe5560c7c18c940ce8

    SHA256

    8360e5ce773c6ac84c8076c7b21b9fdc32bc90a51df968ef974aaacb29b93e1d

    SHA512

    b5562f6f931bfdae5d82cd2786a815edceaf62e8ea76aa5f14789bcd216a1809e666a1f8392793775adb476a6e4e23f9e18e84645026ec7ec30996188835c014

  • memory/1096-140-0x0000000000000000-mapping.dmp

  • memory/1224-136-0x0000000000000000-mapping.dmp

  • memory/1224-137-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1224-138-0x0000000006570000-0x00000000065D6000-memory.dmp

    Filesize

    408KB

  • memory/1224-139-0x0000000006B30000-0x0000000006B80000-memory.dmp

    Filesize

    320KB

  • memory/1224-141-0x0000000006AC0000-0x0000000006ACA000-memory.dmp

    Filesize

    40KB

  • memory/1688-130-0x00000000003A0000-0x0000000000458000-memory.dmp

    Filesize

    736KB

  • memory/1688-131-0x0000000005350000-0x00000000058F4000-memory.dmp

    Filesize

    5.6MB

  • memory/1688-132-0x0000000004E40000-0x0000000004ED2000-memory.dmp

    Filesize

    584KB

  • memory/1688-133-0x0000000004F80000-0x000000000501C000-memory.dmp

    Filesize

    624KB

  • memory/3220-134-0x0000000000000000-mapping.dmp