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Analysis

  • max time kernel
    105s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 06:37

General

  • Target

    Appt.Letter-SCM2403795.pdf.exe

  • Size

    1.2MB

  • MD5

    0aa90b060df8489a4f57fae9a9e7d050

  • SHA1

    0e63264bbd96091f6fd5ad6fc3826a28a6979bb9

  • SHA256

    181d9736138c254a9fa190542fd53cfc314ba0ceb6d67323ab271a99fc080416

  • SHA512

    1eec467dfd4d1ab106ddc7fbee0517ad343abaeb583ae93cddaef5ba3bda43089bc902285d0eb5772e41be5ebf7539f62a2255a5dfbc9badeea7c586003e0942

  • SSDEEP

    24576:ffmMv6Ckr7Mny5QLFtQvgCT3p5kGzs4bIWtk/Ahe5usChkdI:f3v+7/5QLFkJLpyGwOkQhs6kdI

Malware Config

Signatures

  • AgentTesla

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Appt.Letter-SCM2403795.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Appt.Letter-SCM2403795.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Appt.Letter-SCM2403795.pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3644-3-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/3644-5-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/3644-4-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/3644-6-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/3644-7-0x000000007389E000-0x000000007389F000-memory.dmp

    Filesize

    4KB

  • memory/3644-8-0x00000000058D0000-0x0000000005924000-memory.dmp

    Filesize

    336KB

  • memory/3644-9-0x0000000073890000-0x0000000074040000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-12-0x0000000073890000-0x0000000074040000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-11-0x0000000005960000-0x00000000059B2000-memory.dmp

    Filesize

    328KB

  • memory/3644-10-0x0000000005ED0000-0x0000000006474000-memory.dmp

    Filesize

    5.6MB

  • memory/3644-13-0x0000000073890000-0x0000000074040000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-28-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-25-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-71-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-69-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-68-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-63-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-61-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-59-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-57-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-55-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-51-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-49-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-47-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-45-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-43-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-41-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-39-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-37-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-33-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-31-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-29-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-23-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-21-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-19-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-17-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-15-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-14-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-73-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-65-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-53-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-35-0x0000000005960000-0x00000000059AC000-memory.dmp

    Filesize

    304KB

  • memory/3644-1046-0x0000000005B50000-0x0000000005BB6000-memory.dmp

    Filesize

    408KB

  • memory/3644-1047-0x0000000073890000-0x0000000074040000-memory.dmp

    Filesize

    7.7MB

  • memory/3644-1048-0x0000000006FD0000-0x0000000007020000-memory.dmp

    Filesize

    320KB

  • memory/3644-1049-0x00000000070C0000-0x0000000007152000-memory.dmp

    Filesize

    584KB

  • memory/3644-1050-0x0000000007030000-0x000000000703A000-memory.dmp

    Filesize

    40KB

  • memory/3644-1051-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/3644-1052-0x000000007389E000-0x000000007389F000-memory.dmp

    Filesize

    4KB

  • memory/3644-1053-0x0000000073890000-0x0000000074040000-memory.dmp

    Filesize

    7.7MB

  • memory/3692-2-0x00000000043E0000-0x00000000047E0000-memory.dmp

    Filesize

    4.0MB