Analysis

  • max time kernel
    91s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:10

General

  • Target

    payment receipt.exe

  • Size

    513KB

  • MD5

    1f4cafd1b59f0a7b7bafb28e31c620aa

  • SHA1

    b4f61151dfcd4b7f62665324a661a517d1a0ec75

  • SHA256

    875391a0ae1d2f10f9c04e39aaed8c558acf0fbad7b220d18489d25aac97ff85

  • SHA512

    2ea0849ec47211976a72691944737944f231fcd3e3ed371c5ec0844650efa38dd613a252dc2b45a8b8f4969d0eb0ba981ddec36c7f8210032ddb76ce2234b64c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dianaglobalmandiri.com
  • Port:
    587
  • Username:
    info@dianaglobalmandiri.com
  • Password:
    Batam2019

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\payment receipt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2452
      • 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:2340
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 1552
          3⤵
          • Program crash
          PID:4996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2452 -ip 2452
      1⤵
        PID:5024

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Collection

      Email Collection

      1
      T1114

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/556-140-0x0000000000000000-mapping.dmp
      • memory/2340-138-0x0000000000000000-mapping.dmp
      • memory/2452-135-0x0000000000000000-mapping.dmp
      • memory/2452-136-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

      • memory/2452-137-0x00000000055B0000-0x0000000005616000-memory.dmp
        Filesize

        408KB

      • memory/2452-139-0x0000000006160000-0x00000000061B0000-memory.dmp
        Filesize

        320KB

      • memory/4776-130-0x0000000000960000-0x00000000009E6000-memory.dmp
        Filesize

        536KB

      • memory/4776-131-0x0000000005B00000-0x00000000060A4000-memory.dmp
        Filesize

        5.6MB

      • memory/4776-132-0x0000000005440000-0x00000000054D2000-memory.dmp
        Filesize

        584KB

      • memory/4776-133-0x0000000002E40000-0x0000000002E4A000-memory.dmp
        Filesize

        40KB

      • memory/4776-134-0x0000000008EC0000-0x0000000008F5C000-memory.dmp
        Filesize

        624KB