Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 22:15

General

  • Target

    c5a66daf8a49bd675d71736d7a81366f.exe

  • Size

    1.0MB

  • MD5

    c5a66daf8a49bd675d71736d7a81366f

  • SHA1

    5d0312e80a42f82914eca818e3206dba210cd2b8

  • SHA256

    56287adf7892b0d48ce32ace863e4e403f51dc20eba9e422602fb61bb667a5f1

  • SHA512

    f5b895fcf58dc665308bc56862b3f6eba43f5783f305d4e0992f8c46b5c867e083f8946100d5cb59a437a01c3ba633946a1e9256727c5033c21c0322538c3c0e

  • SSDEEP

    24576:p4lavt0LkLL9IMixoEgea5QRYRCeS0D8qWwq9MmCS:4kwkn9IMHea5Q2R3S0D8qPaPCS

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.stingatoareincendii.ro
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    3.*RYhlG)lkA

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Looks up external IP address via web service 1 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5a66daf8a49bd675d71736d7a81366f.exe
    "C:\Users\Admin\AppData\Local\Temp\c5a66daf8a49bd675d71736d7a81366f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\c5a66daf8a49bd675d71736d7a81366f.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2988-6-0x0000000000AD0000-0x0000000000ED0000-memory.dmp

    Filesize

    4.0MB

  • memory/3880-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3880-8-0x00000000738AE000-0x00000000738AF000-memory.dmp

    Filesize

    4KB

  • memory/3880-9-0x00000000055E0000-0x0000000005B84000-memory.dmp

    Filesize

    5.6MB

  • memory/3880-10-0x0000000004EA0000-0x0000000004F06000-memory.dmp

    Filesize

    408KB

  • memory/3880-11-0x00000000738A0000-0x0000000074050000-memory.dmp

    Filesize

    7.7MB

  • memory/3880-12-0x0000000006290000-0x00000000062E0000-memory.dmp

    Filesize

    320KB

  • memory/3880-13-0x0000000006380000-0x0000000006412000-memory.dmp

    Filesize

    584KB

  • memory/3880-14-0x0000000006310000-0x000000000631A000-memory.dmp

    Filesize

    40KB

  • memory/3880-15-0x00000000738AE000-0x00000000738AF000-memory.dmp

    Filesize

    4KB

  • memory/3880-16-0x00000000738A0000-0x0000000074050000-memory.dmp

    Filesize

    7.7MB