Analysis

  • max time kernel
    103s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 16:47

General

  • Target

    comprobantedepagoswift.exe

  • Size

    710KB

  • MD5

    b58e47e4e59039345c3d5cf2174e57de

  • SHA1

    54f16d3adcde3a9549b7f7deb6170d0f65397215

  • SHA256

    162c5e37fafdeef1e2d1d1d3d49585ab38451f54251833e7a10b4b3476d4f380

  • SHA512

    7e1d2f2f61e1bc12943718cf9cc3d20feb58a2aaeb029f71daad66fb63aa700ab4370919a6bbf14695ea22b42b02a52c88d9d701fdb8da700944f8b535d92b51

  • SSDEEP

    12288:KIR5x+u6RfbWYCrt/22puGGh6abmMbvZwPO5ICnCP1L8idw0sDn2GVOthPc4Ti/+:I3WYatucdv0CP1I4ENOthPZT8Y1OQt

Malware Config

Extracted

Family

darkcloud

Credentials

  • Protocol:
    ftp
  • Host:
    @StrFtpServer
  • Port:
    21
  • Username:
    @StrFtpUser
  • Password:
    @StrFtpPass

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\comprobantedepagoswift.exe
    "C:\Users\Admin\AppData\Local\Temp\comprobantedepagoswift.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3492-0-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/3492-2-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/3492-13-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB