Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 10:11

General

  • Target

    4915f66ed7caab4de6137ad5a73319f0e6bd04303545b57aa0f73bd224acedd9.exe

  • Size

    468KB

  • MD5

    4e2720ea5f6c8d2368a9bb97c00a2505

  • SHA1

    dc25faf28cee239e9b74d5d3aa933b1bb2d24320

  • SHA256

    4915f66ed7caab4de6137ad5a73319f0e6bd04303545b57aa0f73bd224acedd9

  • SHA512

    cd258d5b381586211b7bd29b27456d2c25a6ec3d9cdc48c3ebdb178af7ed641098a6ceba29504f7604a798d551c5d1d1b94f6cfe11aaf29c1e6cdabfd5246b30

  • SSDEEP

    12288:wKDA5IvbcypAjT90FczMtERDWAA1rqMOaI:yIfpyRsc4tERP0OaI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pifgweijlylkellk

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pifgweijlylkellk

Signatures

  • AgentTesla

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

  • 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 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 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\4915f66ed7caab4de6137ad5a73319f0e6bd04303545b57aa0f73bd224acedd9.exe
    "C:\Users\Admin\AppData\Local\Temp\4915f66ed7caab4de6137ad5a73319f0e6bd04303545b57aa0f73bd224acedd9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\4915f66ed7caab4de6137ad5a73319f0e6bd04303545b57aa0f73bd224acedd9.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\4915f66ed7caab4de6137ad5a73319f0e6bd04303545b57aa0f73bd224acedd9.exe.log

    Filesize

    408B

    MD5

    8adbb2cb7759fdcbc51cfbf0bfd7c867

    SHA1

    f7549e6ea430e7d64b3afb3fc27c77ed5122f85b

    SHA256

    c67092561e4b1472672374c3439004e2bc0191d9a901cde2b8b69a2d34dc6297

    SHA512

    f465311e884dd82e3152959b6a59ac8d6be0a056a1cfddabbcc6714079a2269cd5c09b2b8fbc87a9ec3323c531383526ae19ef24fed100dec80730fae0d79991

  • memory/1972-133-0x0000000000000000-mapping.dmp

  • memory/1972-134-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/1972-137-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

  • memory/1972-138-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

  • memory/2220-132-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB

  • memory/2220-136-0x00000000750D0000-0x0000000075681000-memory.dmp

    Filesize

    5.7MB