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Analysis

  • max time kernel
    145s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2023, 07:13

General

  • Target

    RFQ-000112030687.exe

  • Size

    365KB

  • MD5

    61d3b0268ab312ad7183a693041e5566

  • SHA1

    daf1c38ca56a0b8163aee55735cc1c34fa53de2b

  • SHA256

    60d963ad6d64ed53b4ef360e0fb04cbd0ca8c17d8de0fa29263daa531fb572a6

  • SHA512

    3cb7d33d8248296b3e3e9359d9e58fb57be11c1b3dc9186ec314039e0fee9802aab2f2dc82acaf5913cbef5b21a836a651f2853d8acf0e15cbebeb8fb825b2e0

  • SSDEEP

    6144:BnPdudwDsbeDOZX9lCmKb7x2Du6Exoa4Kb73KxyxOEf0hLynPbZyvXNvWeAzFPrU:BnPdwbeDmt0r2D/E7PUy0BLyTZGNbqrw

Malware Config

Signatures

  • AgentTesla

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

  • Executes dropped EXE 2 IoCs
  • 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).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-000112030687.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-000112030687.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\oegplt.exe
      "C:\Users\Admin\AppData\Local\Temp\oegplt.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:264
      • C:\Users\Admin\AppData\Local\Temp\oegplt.exe
        "C:\Users\Admin\AppData\Local\Temp\oegplt.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\oegplt.exe

    Filesize

    226KB

    MD5

    27556f9517e29655bfea6abed07d7531

    SHA1

    7bd274d4adf96f87b515e1bcf55adc58e5508775

    SHA256

    df6b2ef31f293825aa7170e8f7821856ce33500baef4d1907e372b09be655796

    SHA512

    90d39291d65d8dc7443208f1b940ca5c51cdd1cd686af00d714ff671de62479400bcfc9eded85ce40907316e27e5b9e84698f5ae9eacc218671a0bbce71b6826

  • C:\Users\Admin\AppData\Local\Temp\oegplt.exe

    Filesize

    226KB

    MD5

    27556f9517e29655bfea6abed07d7531

    SHA1

    7bd274d4adf96f87b515e1bcf55adc58e5508775

    SHA256

    df6b2ef31f293825aa7170e8f7821856ce33500baef4d1907e372b09be655796

    SHA512

    90d39291d65d8dc7443208f1b940ca5c51cdd1cd686af00d714ff671de62479400bcfc9eded85ce40907316e27e5b9e84698f5ae9eacc218671a0bbce71b6826

  • C:\Users\Admin\AppData\Local\Temp\oegplt.exe

    Filesize

    226KB

    MD5

    27556f9517e29655bfea6abed07d7531

    SHA1

    7bd274d4adf96f87b515e1bcf55adc58e5508775

    SHA256

    df6b2ef31f293825aa7170e8f7821856ce33500baef4d1907e372b09be655796

    SHA512

    90d39291d65d8dc7443208f1b940ca5c51cdd1cd686af00d714ff671de62479400bcfc9eded85ce40907316e27e5b9e84698f5ae9eacc218671a0bbce71b6826

  • C:\Users\Admin\AppData\Local\Temp\zbgdvhdofq.di

    Filesize

    262KB

    MD5

    8be405c4fba40329c782151345c2e21f

    SHA1

    874f2ce0c8e78296912fad600604c4cc3d1c76fc

    SHA256

    13596e945f311a3aa6ce0e94d68e9b3dda745fd020c95f745b138c10a759e4df

    SHA512

    5ae85084e3289e97ee1fd12d3a9d3a43bd6a41e199f987024ae42944a81ad6fad2b5c4d91ef993e17444f7850cd5823615178b6815df1041e732a965a413b2da

  • memory/264-5-0x0000000001920000-0x0000000001922000-memory.dmp

    Filesize

    8KB

  • memory/3448-14-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/3448-18-0x0000000005490000-0x00000000054F6000-memory.dmp

    Filesize

    408KB

  • memory/3448-11-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3448-12-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3448-13-0x0000000002E60000-0x0000000002E90000-memory.dmp

    Filesize

    192KB

  • memory/3448-7-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3448-15-0x0000000005410000-0x0000000005420000-memory.dmp

    Filesize

    64KB

  • memory/3448-16-0x0000000005410000-0x0000000005420000-memory.dmp

    Filesize

    64KB

  • memory/3448-17-0x00000000059D0000-0x0000000005F74000-memory.dmp

    Filesize

    5.6MB

  • memory/3448-9-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3448-19-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/3448-20-0x0000000005FF0000-0x0000000006040000-memory.dmp

    Filesize

    320KB

  • memory/3448-21-0x0000000006210000-0x00000000063D2000-memory.dmp

    Filesize

    1.8MB

  • memory/3448-22-0x00000000060E0000-0x0000000006172000-memory.dmp

    Filesize

    584KB

  • memory/3448-23-0x0000000006070000-0x000000000607A000-memory.dmp

    Filesize

    40KB

  • memory/3448-24-0x0000000005410000-0x0000000005420000-memory.dmp

    Filesize

    64KB

  • memory/3448-25-0x0000000005410000-0x0000000005420000-memory.dmp

    Filesize

    64KB

  • memory/3448-26-0x0000000005410000-0x0000000005420000-memory.dmp

    Filesize

    64KB