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Analysis

  • max time kernel
    143s
  • max time network
    274s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2024, 12:58

General

  • Target

    HZbCDaqwtPi2zal.exe

  • Size

    810.6MB

  • MD5

    e755bcacbf899bd6e5c2367bf091c5d2

  • SHA1

    2db2db6c4a6eb93f36e69f6fc78c54b83ba43c88

  • SHA256

    5094852f033740dcb4569b76459d566fc4391c81d9257f50390c3289f4d1aa6a

  • SHA512

    85e7001d7737fc0efc93b315b1fccb75ec27c54e07e2e7ae9d479bc47bf32b5c3b851e6bec5a9bf66e98af7b87c7b2363b62a6d1860ad9a5167c148a00211643

  • SSDEEP

    12288:TlW3HmzBh35JcUAfBcjxUW9PzqUZGaPPBraBUQ0Ym:5BzrztUW1zNbPBraBUd

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6981023497:AAHl8hNT6c3ywQtrLSswit8gBAF4M9xCAZU/

Signatures

  • AgentTesla

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

  • 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 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HZbCDaqwtPi2zal.exe
    "C:\Users\Admin\AppData\Local\Temp\HZbCDaqwtPi2zal.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Temp\HZbCDaqwtPi2zal.exe
      "C:\Users\Admin\AppData\Local\Temp\HZbCDaqwtPi2zal.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HZbCDaqwtPi2zal.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2828-10-0x00000000069F0000-0x0000000006A74000-memory.dmp

    Filesize

    528KB

  • memory/2828-15-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2828-3-0x00000000050A0000-0x0000000005132000-memory.dmp

    Filesize

    584KB

  • memory/2828-1-0x0000000000610000-0x00000000006C8000-memory.dmp

    Filesize

    736KB

  • memory/2828-5-0x00000000052E0000-0x00000000052EA000-memory.dmp

    Filesize

    40KB

  • memory/2828-6-0x0000000006600000-0x000000000669C000-memory.dmp

    Filesize

    624KB

  • memory/2828-7-0x0000000006560000-0x0000000006580000-memory.dmp

    Filesize

    128KB

  • memory/2828-8-0x00000000066B0000-0x00000000066BE000-memory.dmp

    Filesize

    56KB

  • memory/2828-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

    Filesize

    5.6MB

  • memory/2828-9-0x00000000066C0000-0x00000000066D2000-memory.dmp

    Filesize

    72KB

  • memory/2828-4-0x0000000005300000-0x0000000005310000-memory.dmp

    Filesize

    64KB

  • memory/2828-0-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3852-14-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3852-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3852-16-0x0000000005550000-0x0000000005560000-memory.dmp

    Filesize

    64KB

  • memory/3852-17-0x0000000005660000-0x00000000056C6000-memory.dmp

    Filesize

    408KB

  • memory/3852-18-0x0000000006310000-0x0000000006360000-memory.dmp

    Filesize

    320KB

  • memory/3852-19-0x0000000074D40000-0x00000000754F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3852-20-0x0000000005550000-0x0000000005560000-memory.dmp

    Filesize

    64KB