Analysis

  • max time kernel
    118s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 05:27

General

  • Target

    SWIFT ADVISE 230984.exe

  • Size

    760KB

  • MD5

    8a3cd25d5fe430df7212ffaedc5f509a

  • SHA1

    5834a19151873096125a95a891144d284f049e72

  • SHA256

    2941306e0f9d54ab959d9f1e55795d917a9d9a271d6f04d30833bcd288b265fe

  • SHA512

    b10ef6c5577483e734b5a4cc1e3935cbc43c58b29b7627d1348309555fce81211cbd5efd587d057156139ae3f440563dba928c4077a1bfc95f6fc6efe99309d8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    holyghost007@vivaldi.net
  • Password:
    K@maR1-2019Hotelss

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 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\SWIFT ADVISE 230984.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT ADVISE 230984.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Users\Admin\AppData\Local\Temp\SWIFT ADVISE 230984.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:756

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

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/756-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/756-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/756-68-0x0000000004A91000-0x0000000004A92000-memory.dmp
    Filesize

    4KB

  • memory/756-67-0x0000000004A90000-0x0000000004A91000-memory.dmp
    Filesize

    4KB

  • memory/756-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/756-59-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/756-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/756-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/756-64-0x00000000004375AE-mapping.dmp
  • memory/1092-53-0x0000000001370000-0x0000000001371000-memory.dmp
    Filesize

    4KB

  • memory/1092-55-0x00000000049D0000-0x00000000049D1000-memory.dmp
    Filesize

    4KB

  • memory/1092-58-0x0000000000CA0000-0x0000000000CD8000-memory.dmp
    Filesize

    224KB

  • memory/1092-57-0x00000000050B0000-0x0000000005125000-memory.dmp
    Filesize

    468KB

  • memory/1092-56-0x00000000008E0000-0x00000000008EE000-memory.dmp
    Filesize

    56KB