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Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2025, 01:30

General

  • Target

    660d7109d6818a32151e558637f210ac477bb3edafc9ce5c382839afd88b0f1f.exe

  • Size

    1.8MB

  • MD5

    acbcd0aff217bcd39ae04f6bcf033e0b

  • SHA1

    4c72cc5252c1a9e1ba600c8f8aacfcf4da462f23

  • SHA256

    660d7109d6818a32151e558637f210ac477bb3edafc9ce5c382839afd88b0f1f

  • SHA512

    ca2e5db57cc310598aeb7832b3d184fbb86e91780b436d743e3f2e537c6982ef2d5178fad088f60ee0ca9009e16bee2c3da7a56b0d049d068e20808ff647a005

  • SSDEEP

    49152:NJ4ZOp6gvGrXdDjqKoeajLoyEkmZ9Y14:AgvadDjqKoehA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.redivieco.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Lzjyfk7BJy

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\660d7109d6818a32151e558637f210ac477bb3edafc9ce5c382839afd88b0f1f.exe
    "C:\Users\Admin\AppData\Local\Temp\660d7109d6818a32151e558637f210ac477bb3edafc9ce5c382839afd88b0f1f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Users\Admin\AppData\Local\Temp\660d7109d6818a32151e558637f210ac477bb3edafc9ce5c382839afd88b0f1f.exe
      "C:\Users\Admin\AppData\Local\Temp\660d7109d6818a32151e558637f210ac477bb3edafc9ce5c382839afd88b0f1f.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\660d7109d6818a32151e558637f210ac477bb3edafc9ce5c382839afd88b0f1f.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2656-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2656-25-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/2656-24-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/2656-23-0x0000000006540000-0x0000000006590000-memory.dmp

    Filesize

    320KB

  • memory/2656-22-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/2656-21-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/2656-20-0x0000000005F80000-0x0000000005FE6000-memory.dmp

    Filesize

    408KB

  • memory/2656-19-0x0000000005EF0000-0x0000000005F08000-memory.dmp

    Filesize

    96KB

  • memory/2656-18-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/2656-16-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/4564-6-0x0000000008050000-0x00000000080EC000-memory.dmp

    Filesize

    624KB

  • memory/4564-7-0x00000000058A0000-0x00000000058BA000-memory.dmp

    Filesize

    104KB

  • memory/4564-11-0x0000000005BC0000-0x0000000005BC6000-memory.dmp

    Filesize

    24KB

  • memory/4564-10-0x00000000084D0000-0x000000000854C000-memory.dmp

    Filesize

    496KB

  • memory/4564-9-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/4564-17-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/4564-8-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/4564-12-0x0000000008560000-0x00000000085AA000-memory.dmp

    Filesize

    296KB

  • memory/4564-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

    Filesize

    4KB

  • memory/4564-5-0x0000000074CC0000-0x0000000075470000-memory.dmp

    Filesize

    7.7MB

  • memory/4564-4-0x00000000057C0000-0x00000000057CA000-memory.dmp

    Filesize

    40KB

  • memory/4564-3-0x0000000005620000-0x00000000056B2000-memory.dmp

    Filesize

    584KB

  • memory/4564-2-0x0000000005BD0000-0x0000000006174000-memory.dmp

    Filesize

    5.6MB

  • memory/4564-1-0x0000000000A40000-0x0000000000C20000-memory.dmp

    Filesize

    1.9MB