Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    14/08/2024, 22:48

General

  • Target
    csc.exe
  • Size 140KB
  • Sample240814-2red4svdkr
  • SHA256 53d6a18ea5f6ee799a163937a8feeb7da1f80480f610241b140233b0d9875c4c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • phemedrone

C2
  • https://api.telegram.org/bot7253527125:AAG2zbXlkuY33BxLSZk2mcohhToET22xkTM/sendDocument

Signatures

  • Phemedrone

    An information and wallet stealer written in C#.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 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 use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\csc.exe
    "C:\Users\Admin\AppData\Local\Temp\csc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4788
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1092
        3⤵
        • Program crash
        PID:3628
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4788 -ip 4788
    1⤵
      PID:412

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2212-0-0x000000007526E000-0x000000007526F000-memory.dmp

          memory/2212-1-0x0000000000CE0000-0x0000000000D0A000-memory.dmp

          memory/2212-5-0x0000000075260000-0x0000000075A10000-memory.dmp

          memory/2212-9-0x0000000075260000-0x0000000075A10000-memory.dmp

          memory/4788-3-0x0000000000400000-0x0000000000424000-memory.dmp

          memory/4788-6-0x0000000075260000-0x0000000075A10000-memory.dmp

          memory/4788-7-0x0000000004D60000-0x0000000004DC6000-memory.dmp

          memory/4788-8-0x0000000075260000-0x0000000075A10000-memory.dmp