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Resubmissions

12/03/2025, 21:32

250312-1dmynatxey 10

11/03/2025, 16:10

250311-tmgdxaxnx4 10

06/03/2025, 02:30

250306-cze8yav1az 10

Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2025, 02:30

General

  • Target

    56b7b7798a01e1bad522a375b7b096efeba0e118885b353b525b44471cdec90e.exe

  • Size

    296KB

  • MD5

    31a70c300f7286f3621ae7836616190c

  • SHA1

    094b64bbd18840512fc9e044d79bb32cf4dc9ca3

  • SHA256

    56b7b7798a01e1bad522a375b7b096efeba0e118885b353b525b44471cdec90e

  • SHA512

    37c420cb69669ed5aad32131fc78a8e6f3cdd90d156151fe6c928c407fb13654d37b99cdfd0a78ab9c396e917168ac8f8d977a1c054cd9903a442e3aa5614be3

  • SSDEEP

    6144:RJe+FBq9MaeSDWKKZM0sExVyGuczaN1vTLpe+5H:RQkRaeSMM0sEvlu+Mv/0+p

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.boydsteamships.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    co*tNjEBt4

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 6 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
  • 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56b7b7798a01e1bad522a375b7b096efeba0e118885b353b525b44471cdec90e.exe
    "C:\Users\Admin\AppData\Local\Temp\56b7b7798a01e1bad522a375b7b096efeba0e118885b353b525b44471cdec90e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2576
    • C:\Users\Admin\AppData\Local\Temp\56b7b7798a01e1bad522a375b7b096efeba0e118885b353b525b44471cdec90e.exe
      "C:\Users\Admin\AppData\Local\Temp\56b7b7798a01e1bad522a375b7b096efeba0e118885b353b525b44471cdec90e.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:1400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1400-22-0x0000000000080000-0x00000000000BC000-memory.dmp

    Filesize

    240KB

  • memory/1400-19-0x0000000000080000-0x00000000000BC000-memory.dmp

    Filesize

    240KB

  • memory/1400-27-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB

  • memory/1400-7-0x0000000000080000-0x00000000000BC000-memory.dmp

    Filesize

    240KB

  • memory/1400-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1400-5-0x0000000000080000-0x00000000000BC000-memory.dmp

    Filesize

    240KB

  • memory/1400-3-0x0000000000080000-0x00000000000BC000-memory.dmp

    Filesize

    240KB

  • memory/1400-9-0x0000000000080000-0x00000000000BC000-memory.dmp

    Filesize

    240KB

  • memory/1400-26-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB

  • memory/1400-15-0x0000000000080000-0x00000000000BC000-memory.dmp

    Filesize

    240KB

  • memory/1400-24-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB

  • memory/1400-14-0x0000000000080000-0x00000000000BC000-memory.dmp

    Filesize

    240KB

  • memory/1400-23-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB

  • memory/2576-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

    Filesize

    4KB

  • memory/2576-25-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB

  • memory/2576-1-0x0000000000FB0000-0x0000000001000000-memory.dmp

    Filesize

    320KB

  • memory/2576-2-0x00000000742B0000-0x000000007499E000-memory.dmp

    Filesize

    6.9MB