Analysis

  • max time kernel
    135s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 23:22

General

  • Target

    Kirame.Loader/Kirame.Loader.exe

  • Size

    779KB

  • MD5

    341544d48dffd2ea814db70b1ab59868

  • SHA1

    27eb7de97fd9aa568cab1c23483058c7ff78cc70

  • SHA256

    88d9c1fde490e92f60b2ec1a3b31f73358449edc3f4a91702d206204be848fdc

  • SHA512

    26adaea9fdc82e30cdd871bd6fa9e39aeb00f31a99449b1313235724a11fae928ae7602f8d61975a128d658b966cb4c735f5585197b7d23c7d5c82b7e427dc45

  • SSDEEP

    6144:6rxmnlXOdKHVE+1KEVmYVZDbrsVLKxWe/s9qfvowhaAMV3eXgfQULGb3WOaZGwbi:eml1OAUYeKxWe0eJueQffLG7rPWoi89

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Kirame.Loader\Kirame.Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Kirame.Loader\Kirame.Loader.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA1FD.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3668
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4288
      • C:\ProgramData\Cheat\YQJDS.exe
        "C:\ProgramData\Cheat\YQJDS.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3384
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "YQJDS" /tr "C:\ProgramData\Cheat\YQJDS.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2984
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "YQJDS" /tr "C:\ProgramData\Cheat\YQJDS.exe"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Cheat\YQJDS.exe

    Filesize

    779KB

    MD5

    341544d48dffd2ea814db70b1ab59868

    SHA1

    27eb7de97fd9aa568cab1c23483058c7ff78cc70

    SHA256

    88d9c1fde490e92f60b2ec1a3b31f73358449edc3f4a91702d206204be848fdc

    SHA512

    26adaea9fdc82e30cdd871bd6fa9e39aeb00f31a99449b1313235724a11fae928ae7602f8d61975a128d658b966cb4c735f5585197b7d23c7d5c82b7e427dc45

  • C:\Users\Admin\AppData\Local\Temp\tmpA1FD.tmp.bat

    Filesize

    139B

    MD5

    92ed03d297064b93a9014be200f29dba

    SHA1

    83394aa3556046898f1ba2276bff51948ef318a3

    SHA256

    af96a2f55b7d22f19531a958f0c0b80bc0038aa816923a57b3b661b55cf93fc6

    SHA512

    c69d065512df1802718a240dbff56d6b75d8e6e3e1fc634c0575ea9a32fa2afb9940226856207e6c06f28dd4ef4c7368aaab76985603fa18144709bcf1c3e156

  • memory/2088-0-0x00007FFE59593000-0x00007FFE59595000-memory.dmp

    Filesize

    8KB

  • memory/2088-1-0x00000000008A0000-0x000000000096A000-memory.dmp

    Filesize

    808KB

  • memory/2088-2-0x00007FFE59590000-0x00007FFE5A051000-memory.dmp

    Filesize

    10.8MB

  • memory/2088-8-0x00007FFE59590000-0x00007FFE5A051000-memory.dmp

    Filesize

    10.8MB

  • memory/3384-13-0x00007FFE57E83000-0x00007FFE57E85000-memory.dmp

    Filesize

    8KB

  • memory/3384-14-0x00007FFE57E80000-0x00007FFE58941000-memory.dmp

    Filesize

    10.8MB

  • memory/3384-18-0x00007FFE57E80000-0x00007FFE58941000-memory.dmp

    Filesize

    10.8MB