Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 10:19

General

  • Target

    SINAR TORAJA PARTICULARS.pdf.scr

  • Size

    670KB

  • MD5

    c5a0ba17188d0ecf5f6952841b5228d3

  • SHA1

    a56118c862235208b608b88c6da4a925d6e0ff3a

  • SHA256

    17eeb291958feacdd246e605d777ce98fc9be320fd378283ac2764f1bc3b4c25

  • SHA512

    884853fa3170151fdac122e9e3536a1cbd48cda2a9de7325ac80f3d8d501d9846736384e62047ac1e1b0b8cc74be26356bcc05639219929d751f563137f30d87

  • SSDEEP

    12288:4D67tMcRHg4tHiYOH3KvXRM80k8Zv+JaqSIKXOF+ZHYCccwJ68QnGh:FMcR9HyX+BM80kQEaLpOF+tYCVnn

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://beirutrest.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    9yXQ39wz(uL+

Signatures

  • AgentTesla

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

  • 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 2 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SINAR TORAJA PARTICULARS.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\SINAR TORAJA PARTICULARS.pdf.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\SINAR TORAJA PARTICULARS.pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\SINAR TORAJA PARTICULARS.pdf.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2204-0-0x000000007401E000-0x000000007401F000-memory.dmp

    Filesize

    4KB

  • memory/2204-1-0x0000000001220000-0x00000000012CE000-memory.dmp

    Filesize

    696KB

  • memory/2204-2-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2204-3-0x0000000000C90000-0x0000000000D30000-memory.dmp

    Filesize

    640KB

  • memory/2204-4-0x0000000000980000-0x000000000099A000-memory.dmp

    Filesize

    104KB

  • memory/2204-5-0x0000000000930000-0x0000000000940000-memory.dmp

    Filesize

    64KB

  • memory/2204-6-0x00000000052A0000-0x0000000005322000-memory.dmp

    Filesize

    520KB

  • memory/2204-19-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2572-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2572-18-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-20-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2572-21-0x0000000074010000-0x00000000746FE000-memory.dmp

    Filesize

    6.9MB