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Analysis

  • max time kernel
    169s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19/02/2022, 20:25

General

  • Target

    65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe

  • Size

    605KB

  • MD5

    02cdcb26c34ba3befe7a34432724cfcb

  • SHA1

    1b2586fbb7d67605f935cf0196cbd2dfa54a1075

  • SHA256

    65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2

  • SHA512

    902ad741c5a7bd9a7b4dc0e84e9d0d318378635c09002c55f213e95cffad318401a5603513e5d9e9cc80d76dcfcc044b91f0b5ef1515e16106a775c2b8636b6b

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 49 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe
    "C:\Users\Admin\AppData\Local\Temp\65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1984
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2276
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3940
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/332-130-0x0000000000440000-0x0000000000441000-memory.dmp

    Filesize

    4KB