Analysis

  • max time kernel
    86s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 10:51

General

  • Target

    Swift Copy.exe

  • Size

    765KB

  • MD5

    6b1ed2f5d2b314b8d8af86266b8055ca

  • SHA1

    53c43c59bcc7456ea9857ee4a245b2341f5e4404

  • SHA256

    20d66ddece0fa3ebb5a0573a7290ce696468ab27b55b99c37889ba6b4dab89ab

  • SHA512

    c859de74b7d132ed28c2782aac67133ffdbef51f9df4a87064f41ea6f3cca40b455329b3f785b15ff145063df2af1614e61cdc093bad0cc9dec8005b5cd7edf5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ikrrispharmanetwork.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Q5Ab{kp_p0?a

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift Copy.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/940-55-0x00000000004A3AF0-mapping.dmp
  • memory/940-57-0x00000000006B0000-0x00000000006FC000-memory.dmp
    Filesize

    304KB

  • memory/940-56-0x00000000006B0000-0x00000000006FC000-memory.dmp
    Filesize

    304KB

  • memory/1788-54-0x0000000075701000-0x0000000075703000-memory.dmp
    Filesize

    8KB

  • memory/1788-59-0x0000000000400000-0x00000000004C6000-memory.dmp
    Filesize

    792KB