Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe
    "C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe
      "C:\Users\Admin\AppData\Local\Temp\3c3156de49276bfcb908126759ea0f7e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 652
        3⤵
        • Program crash
        PID:2252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2516-21-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-4-0x0000000000760000-0x0000000000778000-memory.dmp

    Filesize

    96KB

  • memory/2516-1-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-2-0x0000000002310000-0x0000000002350000-memory.dmp

    Filesize

    256KB

  • memory/2516-0-0x0000000000030000-0x0000000000148000-memory.dmp

    Filesize

    1.1MB

  • memory/2516-5-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2516-6-0x0000000002310000-0x0000000002350000-memory.dmp

    Filesize

    256KB

  • memory/2516-7-0x0000000006370000-0x00000000063E6000-memory.dmp

    Filesize

    472KB

  • memory/2516-8-0x0000000008460000-0x00000000084EC000-memory.dmp

    Filesize

    560KB

  • memory/2516-9-0x0000000002060000-0x000000000207C000-memory.dmp

    Filesize

    112KB

  • memory/2516-3-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2808-11-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-12-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-13-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-14-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-10-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-20-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-19-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-17-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2808-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2808-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB