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Analysis

  • max time kernel
    118s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 06:25

General

  • Target

    88481fc9b8b2beb564ae58c9ad551d3810a15fbb58a7dc98944167e2f8f2dfd2_JC.exe

  • Size

    489KB

  • MD5

    80db50a5a702d2911e7e2d1ebaf80361

  • SHA1

    38981edc6ce8e39eb9644d1e8942a4317b17c43f

  • SHA256

    88481fc9b8b2beb564ae58c9ad551d3810a15fbb58a7dc98944167e2f8f2dfd2

  • SHA512

    e1240fe0ab90e5e1078f90a6f127b62aec5be8f3850cb9c25bf8e2127fccb32a464137b3b77673920c4a72b33c72243d0047c3bf5fd04cafd035c78b0214fde0

  • SSDEEP

    12288:NnPdEaDT2T0FvA8ZTI4GEIcdkETQ16fWQ6NU:BPdhyT0+U02IcmgqNU

Malware Config

Signatures

  • AgentTesla

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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
  • Adds Run key to start application 2 TTPs 1 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88481fc9b8b2beb564ae58c9ad551d3810a15fbb58a7dc98944167e2f8f2dfd2_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\88481fc9b8b2beb564ae58c9ad551d3810a15fbb58a7dc98944167e2f8f2dfd2_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\cdudhgmre.exe
      "C:\Users\Admin\AppData\Local\Temp\cdudhgmre.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Users\Admin\AppData\Local\Temp\cdudhgmre.exe
        "C:\Users\Admin\AppData\Local\Temp\cdudhgmre.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    176KB

    MD5

    e90f2ebfdc75d526692f3ca90d7effd5

    SHA1

    1776734bc90fd8376c549105b18ecf402d78a8f6

    SHA256

    77d99fd96db69bfb826c09fb65fa592597b667f9f1f6b286a7a10d884d34577a

    SHA512

    1782f9a7cd2c8ad7be5b1d69408567cd84389029d41e753c19376a73f6f4d7db3e43cac80edc03787f2f1e1523eedb3f8ec910cbdbdd7ece38ea3b934fc1f955

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

    Filesize

    176KB

    MD5

    e90f2ebfdc75d526692f3ca90d7effd5

    SHA1

    1776734bc90fd8376c549105b18ecf402d78a8f6

    SHA256

    77d99fd96db69bfb826c09fb65fa592597b667f9f1f6b286a7a10d884d34577a

    SHA512

    1782f9a7cd2c8ad7be5b1d69408567cd84389029d41e753c19376a73f6f4d7db3e43cac80edc03787f2f1e1523eedb3f8ec910cbdbdd7ece38ea3b934fc1f955

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

    Filesize

    176KB

    MD5

    e90f2ebfdc75d526692f3ca90d7effd5

    SHA1

    1776734bc90fd8376c549105b18ecf402d78a8f6

    SHA256

    77d99fd96db69bfb826c09fb65fa592597b667f9f1f6b286a7a10d884d34577a

    SHA512

    1782f9a7cd2c8ad7be5b1d69408567cd84389029d41e753c19376a73f6f4d7db3e43cac80edc03787f2f1e1523eedb3f8ec910cbdbdd7ece38ea3b934fc1f955

  • C:\Users\Admin\AppData\Local\Temp\qxgxiq.x

    Filesize

    548KB

    MD5

    edaf5206a681d23ce75bc99866e1c2be

    SHA1

    933c25c9edd860a25a99d9a9d282ab6dc45d39da

    SHA256

    bdc80b2d716fb71a6ed127dd299c316d9865d1fe553f6ccaf58720d59d1daa3f

    SHA512

    b7a8e2e417fc44fb82ada3baaf34ee987cb3ba3d1a10182bdef4fab71b888fab297fb77b4cb1db38495dc656711c52063686d540d79aadcddf2f1d2d59721453

  • \Users\Admin\AppData\Local\Temp\cdudhgmre.exe

    Filesize

    176KB

    MD5

    e90f2ebfdc75d526692f3ca90d7effd5

    SHA1

    1776734bc90fd8376c549105b18ecf402d78a8f6

    SHA256

    77d99fd96db69bfb826c09fb65fa592597b667f9f1f6b286a7a10d884d34577a

    SHA512

    1782f9a7cd2c8ad7be5b1d69408567cd84389029d41e753c19376a73f6f4d7db3e43cac80edc03787f2f1e1523eedb3f8ec910cbdbdd7ece38ea3b934fc1f955

  • \Users\Admin\AppData\Local\Temp\cdudhgmre.exe

    Filesize

    176KB

    MD5

    e90f2ebfdc75d526692f3ca90d7effd5

    SHA1

    1776734bc90fd8376c549105b18ecf402d78a8f6

    SHA256

    77d99fd96db69bfb826c09fb65fa592597b667f9f1f6b286a7a10d884d34577a

    SHA512

    1782f9a7cd2c8ad7be5b1d69408567cd84389029d41e753c19376a73f6f4d7db3e43cac80edc03787f2f1e1523eedb3f8ec910cbdbdd7ece38ea3b934fc1f955

  • memory/2340-6-0x0000000000140000-0x0000000000142000-memory.dmp

    Filesize

    8KB

  • memory/2692-16-0x0000000074440000-0x0000000074B2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2692-13-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2692-15-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2692-10-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2692-17-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/2692-18-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2692-19-0x0000000074440000-0x0000000074B2E000-memory.dmp

    Filesize

    6.9MB

  • memory/2692-20-0x00000000043B0000-0x0000000004426000-memory.dmp

    Filesize

    472KB

  • memory/2692-21-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/2692-23-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/2692-22-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/2692-24-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/2692-25-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB