Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 12:56

General

  • Target

    YMLUI275163148 - BL.exe

  • Size

    1.1MB

  • MD5

    efeb57a449ccc8158f1c4ae374b62959

  • SHA1

    d097f10d18f72a86ad3406311163606d5668b520

  • SHA256

    79951afadbd96fb9b16f3d4fe5564e83cca60628082262752d243f0c30d145e2

  • SHA512

    060341f86969d0bf7461925f9d937b780b480ab784daadafa9788b4d75d57ac44bee990ed282b3bac66cbeb4663f4c09619138186553c3704d625f2f3634d7c9

  • SSDEEP

    24576:U4lavt0LkLL9IMixoEgeaVrgVTlY03AroJUEGq9MmCS:jkwkn9IMHeaV8TmzroYaPCS

Malware Config

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 3 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe
    "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2424
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
      2⤵
        PID:2128
      • C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe
        "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3048
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Users\Admin\AppData\Local\Temp\YMLUI275163148 - BL.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2360

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Allene

      Filesize

      261KB

      MD5

      52cfd559adfd0a7c32115d7e15ee6550

      SHA1

      6364122c331f07990b062ac8d2e9c585f5ee6db0

      SHA256

      9c7dc2d46a52ab7899b7ce56b108f12b57cb466ec9f18449f559e0f4f83a14c7

      SHA512

      6424cb2995dcf3833c4859fb456fce79800225fedd9f3e22b9dcecce87b6e9c9f21b693d594de1b9f98e54a1a5e026a8d772c766b1486ddf02a1f010629cc9dd

    • memory/2360-71-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-1058-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

      Filesize

      4KB

    • memory/2360-16-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2360-69-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-18-0x0000000073E9E000-0x0000000073E9F000-memory.dmp

      Filesize

      4KB

    • memory/2360-19-0x0000000000770000-0x00000000007C4000-memory.dmp

      Filesize

      336KB

    • memory/2360-20-0x0000000002010000-0x0000000002062000-memory.dmp

      Filesize

      328KB

    • memory/2360-21-0x0000000073E90000-0x000000007457E000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-23-0x0000000073E90000-0x000000007457E000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-22-0x0000000073E90000-0x000000007457E000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-27-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-63-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-49-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-25-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-24-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-83-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-81-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-65-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-77-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-75-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-73-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-1059-0x0000000073E90000-0x000000007457E000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-17-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2360-14-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2360-79-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-61-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-59-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-57-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-55-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-53-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-51-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-47-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-46-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-43-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-42-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-39-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-37-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-35-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-33-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-31-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-29-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2360-1056-0x0000000073E90000-0x000000007457E000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-1057-0x0000000000400000-0x0000000000446000-memory.dmp

      Filesize

      280KB

    • memory/2360-67-0x0000000002010000-0x000000000205D000-memory.dmp

      Filesize

      308KB

    • memory/2424-6-0x0000000000360000-0x0000000000364000-memory.dmp

      Filesize

      16KB