Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2023 00:41

General

  • Target

    ce49565cf14de17f14177b42314797c49108d529.exe

  • Size

    437KB

  • MD5

    4c5080912da359cbfd2b7537e309ab90

  • SHA1

    ce49565cf14de17f14177b42314797c49108d529

  • SHA256

    2299434f679982522b05bb2d725105b0d6adf6d8ab7b9c6c9b508eb50d26d99a

  • SHA512

    662a4f36c5c64a59e9220d5ccb482c06a145c7e523ba55c750ed3167ebeff73dd82ab5d3aa3a4f2744f33702964dbab0722668c0ef5dea9b7943fa98ec209559

  • SSDEEP

    6144:UYa6Gos8IFJb3WX7Ww+F5TovBd6vs/lGbN8UnOMhT+wDyUbvKRnql:UYXsz3EqwvvBgmQb7nFFFDyUx

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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 3 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\ce49565cf14de17f14177b42314797c49108d529.exe
    "C:\Users\Admin\AppData\Local\Temp\ce49565cf14de17f14177b42314797c49108d529.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5000
    • C:\Users\Admin\AppData\Local\Temp\fffgyk.exe
      "C:\Users\Admin\AppData\Local\Temp\fffgyk.exe" C:\Users\Admin\AppData\Local\Temp\vjkhfv.f
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:5092
      • C:\Users\Admin\AppData\Local\Temp\fffgyk.exe
        "C:\Users\Admin\AppData\Local\Temp\fffgyk.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    52KB

    MD5

    9eae06a9500c818724f197ce6a444725

    SHA1

    960f40958e037df0227d878cb93266b3f72cb251

    SHA256

    3fd47d822ad7615ae618bb6af850f4c62190bd78db203df66cd64a7f96b6eeb8

    SHA512

    d98b32158fbae323f53fc20cabe16bb0223cc40a93d100a2f041064311280c4e95bfd4a28c99609c8a8ecdefd5b131a416734295c32f16f1f83f658f6dcd64cb

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

    Filesize

    52KB

    MD5

    9eae06a9500c818724f197ce6a444725

    SHA1

    960f40958e037df0227d878cb93266b3f72cb251

    SHA256

    3fd47d822ad7615ae618bb6af850f4c62190bd78db203df66cd64a7f96b6eeb8

    SHA512

    d98b32158fbae323f53fc20cabe16bb0223cc40a93d100a2f041064311280c4e95bfd4a28c99609c8a8ecdefd5b131a416734295c32f16f1f83f658f6dcd64cb

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

    Filesize

    52KB

    MD5

    9eae06a9500c818724f197ce6a444725

    SHA1

    960f40958e037df0227d878cb93266b3f72cb251

    SHA256

    3fd47d822ad7615ae618bb6af850f4c62190bd78db203df66cd64a7f96b6eeb8

    SHA512

    d98b32158fbae323f53fc20cabe16bb0223cc40a93d100a2f041064311280c4e95bfd4a28c99609c8a8ecdefd5b131a416734295c32f16f1f83f658f6dcd64cb

  • C:\Users\Admin\AppData\Local\Temp\vihnfhc.fek

    Filesize

    257KB

    MD5

    3e3aafdb5001d91903aa03048b2ed602

    SHA1

    7acd4b9e9c76b709155e41a73e6232c3cfe9dedf

    SHA256

    e64c9ff3dbbc12f5f2b8dd6b0defa00b3a0b990bbec0eaec6e16172d8259fe31

    SHA512

    e9e266b30be69e276c320f59f9aeb224ead049220fe2bc335e6c0e947b3ebec379ca4b1e8b4c610eb79a6335a82b4f82072ae9c61bc85a86e18631fce7aea152

  • C:\Users\Admin\AppData\Local\Temp\vjkhfv.f

    Filesize

    5KB

    MD5

    507b5368cda0de2c2358e5d157b2e5cf

    SHA1

    4f8f0895ea26899cae49cd19e1a122e5c6489f89

    SHA256

    eb2e20b532fade24ded6d778564c257c231bf3aa9b3c74f389bf8a8178cb5c54

    SHA512

    f6b05f386f5a36535d94f4bed6dd36a4757e226bb2990c80865b77b65793242a62a066c0deb90c58500c44b4a45e235c2eb82d564acd8020204b48c6ead15e46

  • memory/380-137-0x0000000000000000-mapping.dmp

  • memory/380-139-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/380-140-0x0000000004870000-0x0000000004E14000-memory.dmp

    Filesize

    5.6MB

  • memory/380-141-0x0000000004E50000-0x0000000004EEC000-memory.dmp

    Filesize

    624KB

  • memory/380-142-0x0000000005850000-0x00000000058B6000-memory.dmp

    Filesize

    408KB

  • memory/380-143-0x0000000005B80000-0x0000000005C12000-memory.dmp

    Filesize

    584KB

  • memory/380-144-0x0000000005C40000-0x0000000005C4A000-memory.dmp

    Filesize

    40KB

  • memory/380-145-0x00000000060C0000-0x0000000006110000-memory.dmp

    Filesize

    320KB

  • memory/5092-132-0x0000000000000000-mapping.dmp