Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-01-2025 01:57

General

  • Target

    21b7e938db10135f3905243238d1cac0da6648068d0c6306e97835e2174cfdd9.exe

  • Size

    1.4MB

  • MD5

    29f86d5871cf63e0307b63a45851d9c3

  • SHA1

    5188ed2381356f7147b7d7eb8cb308746797eb36

  • SHA256

    21b7e938db10135f3905243238d1cac0da6648068d0c6306e97835e2174cfdd9

  • SHA512

    c99cb8b2b517f04d435f58ee1c84e5fe335a2e3669d8a0e7dbdf7d162b6eed696a7f4c3e66c71023f29ca550f16f6408b94e09d8228999526e175d6f8302a0f3

  • SSDEEP

    24576:AICHORgc8PxdTv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:Mnp/jLoyEkmZ9Y14

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.speedlineug.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Speedline555

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Drops file in Drivers directory 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21b7e938db10135f3905243238d1cac0da6648068d0c6306e97835e2174cfdd9.exe
    "C:\Users\Admin\AppData\Local\Temp\21b7e938db10135f3905243238d1cac0da6648068d0c6306e97835e2174cfdd9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Users\Admin\AppData\Local\Temp\21b7e938db10135f3905243238d1cac0da6648068d0c6306e97835e2174cfdd9.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1048-0-0x00000000742EE000-0x00000000742EF000-memory.dmp

    Filesize

    4KB

  • memory/1048-1-0x0000000000AF0000-0x0000000000C52000-memory.dmp

    Filesize

    1.4MB

  • memory/1048-2-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1048-3-0x00000000003F0000-0x00000000003FA000-memory.dmp

    Filesize

    40KB

  • memory/1048-4-0x00000000742EE000-0x00000000742EF000-memory.dmp

    Filesize

    4KB

  • memory/1048-5-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/1048-6-0x00000000053C0000-0x0000000005442000-memory.dmp

    Filesize

    520KB

  • memory/1048-7-0x0000000004390000-0x00000000043CA000-memory.dmp

    Filesize

    232KB

  • memory/1048-21-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2612-19-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2612-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-17-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2612-20-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2612-15-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2612-11-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2612-12-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2612-10-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2612-8-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/2612-22-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2612-24-0x00000000742E0000-0x00000000749CE000-memory.dmp

    Filesize

    6.9MB