Analysis

  • max time kernel
    4265058s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    15/01/2022, 04:03

General

  • Target

    f1ff0817cd12a7c79fe812becb7c34fbf07548b70d2e64485517f82971ff0525.exe

  • Size

    322KB

  • MD5

    458ed95fd43e6a1594920b127deabd29

  • SHA1

    98f485fc5d4b1510193d36b5e98774f2fddcc756

  • SHA256

    f1ff0817cd12a7c79fe812becb7c34fbf07548b70d2e64485517f82971ff0525

  • SHA512

    53f2e3a4dcd367557ad799e58ccc381a3597e38267a7010bc06edc1d67810e36bcb5d2a1909e9ff038cff2f204f0c160cd922384179a60883d4487d73126a099

Score
10/10

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://file-file-host4.com/tratata.php

Signatures

  • Arkei

    Arkei is an infostealer written in C++.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Arkei Stealer Payload 2 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1ff0817cd12a7c79fe812becb7c34fbf07548b70d2e64485517f82971ff0525.exe
    "C:\Users\Admin\AppData\Local\Temp\f1ff0817cd12a7c79fe812becb7c34fbf07548b70d2e64485517f82971ff0525.exe"
    1⤵
      PID:3016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 552
        2⤵
        • Program crash
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3016 -ip 3016
      1⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Suspicious use of WriteProcessMemory
      PID:3428
    • C:\Windows\system32\MusNotification.exe
      C:\Windows\system32\MusNotification.exe
      1⤵
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2176

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3016-130-0x000000000059E000-0x00000000005AF000-memory.dmp

            Filesize

            68KB

          • memory/3016-132-0x0000000000400000-0x0000000000560000-memory.dmp

            Filesize

            1.4MB

          • memory/3016-131-0x00000000022A0000-0x00000000022BC000-memory.dmp

            Filesize

            112KB