Analysis

  • max time kernel
    187s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2024 07:02

General

  • Target

    3c3156de49276bfcb908126759ea0f7e.exe

  • Size

    1.1MB

  • MD5

    3c3156de49276bfcb908126759ea0f7e

  • SHA1

    3b580fa227336f11512e592c99040db279352e92

  • SHA256

    960a8b99ffcc13827dbf38256c81cf5b8a37e4308b526713445080d2b096fbc0

  • SHA512

    429ea2f4bd883144f730223e97085ab2dd646155efb668e446f836337937b9af1c2532ba4b04ce43040b9fbf2f4fe1c68c28fdc4c0b9ba300a396fed79e497b1

  • SSDEEP

    24576:3Ia4wNu3SaZYo+51mnW0Lj7oBj3bqoWVomcqBoG:351uCr10j7oBj3mLVlcqBo

Score
10/10

Malware Config

Extracted

Family

arkei

C2

185.241.52.252/qRdXmPWvrh.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe
    "C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe
      "C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe"
      2⤵
        PID:2100
      • C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe
        "C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe"
        2⤵
          PID:3064
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 1260
            3⤵
            • Program crash
            PID:4796
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3064 -ip 3064
        1⤵
          PID:4644

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2908-10-0x0000000075320000-0x0000000075AD0000-memory.dmp

          Filesize

          7.7MB

        • memory/2908-2-0x00000000055D0000-0x000000000566C000-memory.dmp

          Filesize

          624KB

        • memory/2908-1-0x0000000075320000-0x0000000075AD0000-memory.dmp

          Filesize

          7.7MB

        • memory/2908-12-0x0000000006E30000-0x0000000006EA6000-memory.dmp

          Filesize

          472KB

        • memory/2908-11-0x00000000058B0000-0x00000000058C0000-memory.dmp

          Filesize

          64KB

        • memory/2908-5-0x0000000005E70000-0x0000000006414000-memory.dmp

          Filesize

          5.6MB

        • memory/2908-6-0x0000000005720000-0x00000000057B2000-memory.dmp

          Filesize

          584KB

        • memory/2908-8-0x0000000005920000-0x0000000005976000-memory.dmp

          Filesize

          344KB

        • memory/2908-7-0x0000000005710000-0x000000000571A000-memory.dmp

          Filesize

          40KB

        • memory/2908-9-0x0000000008420000-0x0000000008438000-memory.dmp

          Filesize

          96KB

        • memory/2908-3-0x00000000058B0000-0x00000000058C0000-memory.dmp

          Filesize

          64KB

        • memory/2908-0-0x0000000000B10000-0x0000000000C28000-memory.dmp

          Filesize

          1.1MB

        • memory/2908-4-0x0000000005530000-0x0000000005531000-memory.dmp

          Filesize

          4KB

        • memory/2908-13-0x0000000008600000-0x000000000868C000-memory.dmp

          Filesize

          560KB

        • memory/2908-14-0x000000000AD70000-0x000000000AD8C000-memory.dmp

          Filesize

          112KB

        • memory/2908-20-0x0000000075320000-0x0000000075AD0000-memory.dmp

          Filesize

          7.7MB

        • memory/3064-18-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3064-17-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3064-15-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3064-21-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/3064-23-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB