Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2023 01:19

General

  • Target

    0523f7cfc131c52445b00d8c354b91658bc0b5f970d5c5ffc01b8480a84b9364.exe

  • Size

    330KB

  • MD5

    9defa32ab3c74af8e29aea03a454934e

  • SHA1

    04dac45bb456d502638ac199f8a4bb9285167658

  • SHA256

    0523f7cfc131c52445b00d8c354b91658bc0b5f970d5c5ffc01b8480a84b9364

  • SHA512

    b43c24dcf817b310c94743efd49e803d3c48a24192bed6ab99cfa813af5df20e69ac67f052ba613a185519ef5f0b1e9aaeacf7d77a40d0a32e4aa03747ca282f

  • SSDEEP

    6144:wBlL/Di/CcLN+BiYHbAabwWZKhl/fnT6vWKupX4ZWK2j1Mu9nBE:CZiFN4rbRbtYZnTsW7U22mE

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: 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\0523f7cfc131c52445b00d8c354b91658bc0b5f970d5c5ffc01b8480a84b9364.exe
    "C:\Users\Admin\AppData\Local\Temp\0523f7cfc131c52445b00d8c354b91658bc0b5f970d5c5ffc01b8480a84b9364.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Users\Admin\AppData\Local\Temp\dkudxis.exe
      "C:\Users\Admin\AppData\Local\Temp\dkudxis.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Users\Admin\AppData\Local\Temp\dkudxis.exe
        "C:\Users\Admin\AppData\Local\Temp\dkudxis.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    165KB

    MD5

    265d03e2362687fa11bd38903296c90a

    SHA1

    95ec7500a11ff8bf5809bbdd2e86ebafc2ce9765

    SHA256

    437cd124c76c0f79962fea99694cbd9bed574a2428c6e174ef7391ed52fe277c

    SHA512

    cf21e66e5f21ad43ad4e2ad5e7cdde8ca7530309afea2d7a5df047ae0bf8d9bf5c4dc8b6de7a9f2d24b9524a5ae2ff16c3af0cb3493942646016a67bc8c91c59

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

    Filesize

    165KB

    MD5

    265d03e2362687fa11bd38903296c90a

    SHA1

    95ec7500a11ff8bf5809bbdd2e86ebafc2ce9765

    SHA256

    437cd124c76c0f79962fea99694cbd9bed574a2428c6e174ef7391ed52fe277c

    SHA512

    cf21e66e5f21ad43ad4e2ad5e7cdde8ca7530309afea2d7a5df047ae0bf8d9bf5c4dc8b6de7a9f2d24b9524a5ae2ff16c3af0cb3493942646016a67bc8c91c59

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

    Filesize

    165KB

    MD5

    265d03e2362687fa11bd38903296c90a

    SHA1

    95ec7500a11ff8bf5809bbdd2e86ebafc2ce9765

    SHA256

    437cd124c76c0f79962fea99694cbd9bed574a2428c6e174ef7391ed52fe277c

    SHA512

    cf21e66e5f21ad43ad4e2ad5e7cdde8ca7530309afea2d7a5df047ae0bf8d9bf5c4dc8b6de7a9f2d24b9524a5ae2ff16c3af0cb3493942646016a67bc8c91c59

  • C:\Users\Admin\AppData\Local\Temp\izahuopxvuj.ptu

    Filesize

    262KB

    MD5

    2df4d71b568e778685d268ca305207bb

    SHA1

    703aff435d69a6a57801cdb394b5563bb9053eee

    SHA256

    6d9fa06d84ba86dc703b7f5704112cef0aa877c47b8bf8f51282d5f017f881bc

    SHA512

    e37a8fd2802334cc45fcb988e9c3a22ebd6cfe15d292f5bff12275abcc1d15648556bf3850a56c8705a8b3c77dddd9a4c6e4688fa71569fdf073d381713564bd

  • memory/2132-5-0x0000000000F10000-0x0000000000F12000-memory.dmp

    Filesize

    8KB

  • memory/4920-15-0x00000000056B0000-0x0000000005C54000-memory.dmp

    Filesize

    5.6MB

  • memory/4920-16-0x00000000050F0000-0x0000000005100000-memory.dmp

    Filesize

    64KB

  • memory/4920-9-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4920-11-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4920-12-0x0000000004FF0000-0x0000000005020000-memory.dmp

    Filesize

    192KB

  • memory/4920-13-0x0000000075380000-0x0000000075B30000-memory.dmp

    Filesize

    7.7MB

  • memory/4920-14-0x00000000050F0000-0x0000000005100000-memory.dmp

    Filesize

    64KB

  • memory/4920-7-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4920-17-0x0000000005170000-0x00000000051D6000-memory.dmp

    Filesize

    408KB

  • memory/4920-10-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/4920-18-0x0000000006000000-0x0000000006092000-memory.dmp

    Filesize

    584KB

  • memory/4920-19-0x0000000005FB0000-0x0000000005FBA000-memory.dmp

    Filesize

    40KB

  • memory/4920-20-0x0000000006270000-0x00000000062C0000-memory.dmp

    Filesize

    320KB

  • memory/4920-21-0x0000000006490000-0x0000000006652000-memory.dmp

    Filesize

    1.8MB

  • memory/4920-22-0x0000000075380000-0x0000000075B30000-memory.dmp

    Filesize

    7.7MB

  • memory/4920-23-0x00000000050F0000-0x0000000005100000-memory.dmp

    Filesize

    64KB

  • memory/4920-24-0x00000000050F0000-0x0000000005100000-memory.dmp

    Filesize

    64KB

  • memory/4920-25-0x00000000050F0000-0x0000000005100000-memory.dmp

    Filesize

    64KB

  • memory/4920-26-0x00000000050F0000-0x0000000005100000-memory.dmp

    Filesize

    64KB