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Analysis

  • max time kernel
    143s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 01:03

General

  • Target

    47ae8e27e126f88f937ff6e6efb7cf96.exe

  • Size

    1.2MB

  • MD5

    47ae8e27e126f88f937ff6e6efb7cf96

  • SHA1

    85ee4bea24d0bbce0d663703581ef94433847dca

  • SHA256

    ff6cb70170510fd46c809872416202ba82469dfcbd469714247460a3114c35c5

  • SHA512

    933ee00a937859dcb6ae627dd8dfe2588b57b53a9b55bbd831f9f15efc7a64b4c3eb8d0a5fafb8e44812afd50fb517e0b241673171bf0e2f09f5c6389b2da249

  • SSDEEP

    24576:1YIwCm/GOsBgo0q4wMUp1AjEyqAnwgf1BxnBErH:16voHMUUj7Tn5RBE

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cjcurrent@5000

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47ae8e27e126f88f937ff6e6efb7cf96.exe
    "C:\Users\Admin\AppData\Local\Temp\47ae8e27e126f88f937ff6e6efb7cf96.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:400
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hoodxc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE5AD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:5056
    • C:\Users\Admin\AppData\Local\Temp\47ae8e27e126f88f937ff6e6efb7cf96.exe
      "C:\Users\Admin\AppData\Local\Temp\47ae8e27e126f88f937ff6e6efb7cf96.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE5AD.tmp

    Filesize

    1KB

    MD5

    309abde61e5ef986ea256c61eb46115d

    SHA1

    87c9bd30a85d1d9182bf1696e6b4dbc44d9f1e9b

    SHA256

    f49f1aba04be86734c6d856a32d9157d644ba3313c8d4935b3c08b18a603abc0

    SHA512

    ff0c3a20ff4b634de9b71f9b3c14e00e898c101d1272e0c7226b7da837d813f36521f62ebcc853dd203c25fb4f2ae0e949b3cadd1df2fc14942d6bab7f3812c5

  • memory/400-12-0x00000000074F0000-0x000000000752C000-memory.dmp

    Filesize

    240KB

  • memory/400-9-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/400-4-0x00000000058C0000-0x0000000005952000-memory.dmp

    Filesize

    584KB

  • memory/400-5-0x00000000057D0000-0x00000000057E0000-memory.dmp

    Filesize

    64KB

  • memory/400-3-0x0000000005E70000-0x0000000006414000-memory.dmp

    Filesize

    5.6MB

  • memory/400-7-0x0000000005AD0000-0x0000000005B26000-memory.dmp

    Filesize

    344KB

  • memory/400-6-0x00000000057F0000-0x00000000057FA000-memory.dmp

    Filesize

    40KB

  • memory/400-0-0x0000000000CB0000-0x0000000000DF0000-memory.dmp

    Filesize

    1.2MB

  • memory/400-1-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/400-10-0x00000000057D0000-0x00000000057E0000-memory.dmp

    Filesize

    64KB

  • memory/400-2-0x0000000005820000-0x00000000058BC000-memory.dmp

    Filesize

    624KB

  • memory/400-11-0x0000000007330000-0x00000000073B4000-memory.dmp

    Filesize

    528KB

  • memory/400-8-0x00000000031E0000-0x00000000031F2000-memory.dmp

    Filesize

    72KB

  • memory/400-21-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-20-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4268-22-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/4268-23-0x0000000005150000-0x0000000005168000-memory.dmp

    Filesize

    96KB

  • memory/4268-24-0x0000000005DF0000-0x0000000005E56000-memory.dmp

    Filesize

    408KB

  • memory/4268-25-0x0000000074500000-0x0000000074CB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4268-26-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB

  • memory/4268-27-0x0000000006370000-0x00000000063C0000-memory.dmp

    Filesize

    320KB

  • memory/4268-28-0x0000000004EF0000-0x0000000004F00000-memory.dmp

    Filesize

    64KB