Analysis

  • max time kernel
    117s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 07:38

General

  • Target

    MV ENISHI V.53Y DETAILS.pdf.scr

  • Size

    674KB

  • MD5

    ce60d02b1ca0b5b40cfdc6da5ca7da18

  • SHA1

    8bcbf2b9057029a841d6c930c66558d216aabbc7

  • SHA256

    dc343098d5fdbd96756e603f4d75f7e3658887aee0c65d886c4d2f18e9cc6b64

  • SHA512

    f7e6ea9dcc557d0e2dd59fa4a18b35532f45072f9b1a9dbe5cc09f7a74a6a7c54e441fa0d375b872ac74927177df511cbd737ea17f2d50c45e7405d6d7f94326

  • SSDEEP

    12288:HHY2iNStcY1crIXavl9Tjtgj8OX2nt/+XXm/3EbZMDFMwx12VrJ:HHY1Mci7Xa71w8vF+XX8IiDFMc12N

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\MV ENISHI V.53Y DETAILS.pdf.scr
    "C:\Users\Admin\AppData\Local\Temp\MV ENISHI V.53Y DETAILS.pdf.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Users\Admin\AppData\Local\Temp\MV ENISHI V.53Y DETAILS.pdf.scr
      "C:\Users\Admin\AppData\Local\Temp\MV ENISHI V.53Y DETAILS.pdf.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2888-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

    Filesize

    4KB

  • memory/2888-1-0x0000000000C80000-0x0000000000D2E000-memory.dmp

    Filesize

    696KB

  • memory/2888-2-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/2888-3-0x00000000006E0000-0x00000000006F6000-memory.dmp

    Filesize

    88KB

  • memory/2888-4-0x00000000005F0000-0x00000000005FE000-memory.dmp

    Filesize

    56KB

  • memory/2888-5-0x0000000000700000-0x0000000000710000-memory.dmp

    Filesize

    64KB

  • memory/2888-6-0x0000000004470000-0x00000000044F2000-memory.dmp

    Filesize

    520KB

  • memory/2888-34-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3032-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3032-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3032-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3032-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3032-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3032-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3032-20-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-21-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3032-37-0x0000000074B20000-0x000000007520E000-memory.dmp

    Filesize

    6.9MB