Analysis

  • max time kernel
    97s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 01:06

General

  • Target

    99ae462223921221378d160a89832d95b3e19bf823f369cb2b6f7c89392f3ece.exe

  • Size

    482KB

  • MD5

    b8c88d67b60eb603bca7b2d3f5bb10f0

  • SHA1

    e88f749dcd0b94623376896e74bf9fb05491a422

  • SHA256

    99ae462223921221378d160a89832d95b3e19bf823f369cb2b6f7c89392f3ece

  • SHA512

    212270a7765c89a920a7afcdb5b3c64a602b48a8ce4a55ac0f53461bb3b7f6e3c2bb63803b42df69c28439a2a7816818bbaf6844d46a508ca83506f0b6a3fa23

  • SSDEEP

    12288:wuGIRivaKUsVnXch22zOhmY3lvVU7JtIqB:E+yXcv6kZ7JtIqB

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.penavico--cz.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fq$L%J((!6

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 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 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99ae462223921221378d160a89832d95b3e19bf823f369cb2b6f7c89392f3ece.exe
    "C:\Users\Admin\AppData\Local\Temp\99ae462223921221378d160a89832d95b3e19bf823f369cb2b6f7c89392f3ece.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Users\Admin\AppData\Local\Temp\99ae462223921221378d160a89832d95b3e19bf823f369cb2b6f7c89392f3ece.exe
      "C:\Users\Admin\AppData\Local\Temp\99ae462223921221378d160a89832d95b3e19bf823f369cb2b6f7c89392f3ece.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:920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/920-12-0x0000000004DA0000-0x0000000004E3C000-memory.dmp

    Filesize

    624KB

  • memory/920-18-0x0000000004620000-0x0000000004670000-memory.dmp

    Filesize

    320KB

  • memory/920-9-0x0000000000540000-0x000000000057C000-memory.dmp

    Filesize

    240KB

  • memory/920-11-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/920-17-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/920-16-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/920-15-0x0000000004D50000-0x0000000004D68000-memory.dmp

    Filesize

    96KB

  • memory/920-13-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-2-0x0000000005370000-0x0000000005914000-memory.dmp

    Filesize

    5.6MB

  • memory/4316-1-0x0000000000B90000-0x0000000000C0E000-memory.dmp

    Filesize

    504KB

  • memory/4316-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

    Filesize

    584KB

  • memory/4316-7-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

    Filesize

    4KB

  • memory/4316-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

    Filesize

    4KB

  • memory/4316-14-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-6-0x00000000051B0000-0x00000000051BA000-memory.dmp

    Filesize

    40KB

  • memory/4316-5-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-4-0x0000000004F10000-0x0000000004F76000-memory.dmp

    Filesize

    408KB

  • memory/4316-10-0x0000000074AA0000-0x0000000075250000-memory.dmp

    Filesize

    7.7MB