Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    14-02-2022 08:29

General

  • Target

    0c11e66862a2399971e713146f541c5b2b6bf6a26fa64c636afc54c188a89228.exe

  • Size

    607KB

  • MD5

    0669578fa4e98b29853e62026295c5e1

  • SHA1

    f2ef8081f374976b816c66c94ffece66c610b316

  • SHA256

    0c11e66862a2399971e713146f541c5b2b6bf6a26fa64c636afc54c188a89228

  • SHA512

    a8e88835d59b28f9ef4b95098f267d1c5d5805b966bed17e152c816aaa5bff869f6b2faabc7d3851fabb671edafa07698cfe9e0fc42a064ca377ece0217e84c1

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\0c11e66862a2399971e713146f541c5b2b6bf6a26fa64c636afc54c188a89228.exe
    "C:\Users\Admin\AppData\Local\Temp\0c11e66862a2399971e713146f541c5b2b6bf6a26fa64c636afc54c188a89228.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3216
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:648
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3144
  • 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:3772
  • 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:3480

Network

MITRE ATT&CK Enterprise v6

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Downloads

  • memory/3216-130-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB