Analysis

  • max time kernel
    116s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    19-10-2021 12:58

General

  • Target

    EiQHjXTm0aKck3P.exe

  • Size

    734KB

  • MD5

    fb3ba91147904673815403296b913d4c

  • SHA1

    69659c7484b5221d0c64ed7b55aab636f61266f5

  • SHA256

    2d23264cbb640e6d74b527f68ac05d12aea8647ccdeb6e592e5e399bf0f2fa57

  • SHA512

    cd4f7fa5e6ae6c2faff4fa030aa9791257042d24cf67c7ff9497029e8ae803e14ddd73d655d991b4ef3b04fecb6b12f253466a9be21e32288a593b147935108c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.hoteltalabart.cat
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Jackdaniels_1

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EiQHjXTm0aKck3P.exe
    "C:\Users\Admin\AppData\Local\Temp\EiQHjXTm0aKck3P.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Users\Admin\AppData\Local\Temp\EiQHjXTm0aKck3P.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:672

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/672-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/672-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/672-70-0x0000000004B41000-0x0000000004B42000-memory.dmp
    Filesize

    4KB

  • memory/672-69-0x0000000004B40000-0x0000000004B41000-memory.dmp
    Filesize

    4KB

  • memory/672-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/672-66-0x000000000043750E-mapping.dmp
  • memory/672-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/672-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/672-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1340-54-0x0000000000220000-0x0000000000221000-memory.dmp
    Filesize

    4KB

  • memory/1340-56-0x00000000767F1000-0x00000000767F3000-memory.dmp
    Filesize

    8KB

  • memory/1340-60-0x0000000001F90000-0x0000000001FC8000-memory.dmp
    Filesize

    224KB

  • memory/1340-59-0x0000000005150000-0x00000000051CC000-memory.dmp
    Filesize

    496KB

  • memory/1340-58-0x00000000003A0000-0x00000000003AE000-memory.dmp
    Filesize

    56KB

  • memory/1340-57-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
    Filesize

    4KB