Analysis

  • max time kernel
    166s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19-02-2022 19:13

General

  • Target

    ca7c7cb85ce72bb04040142a336164dde378a846bfbe2938e3a74fffccd1156b.exe

  • Size

    7KB

  • MD5

    68c216e2c5cd37bdbc57db5748fd3b2b

  • SHA1

    0ef40524ef0e409ef6034a3c2897ee12095123d5

  • SHA256

    ca7c7cb85ce72bb04040142a336164dde378a846bfbe2938e3a74fffccd1156b

  • SHA512

    a7d86caf852ae4f12a1c830978d099539852555f46112918f1038a4e8ba0b855bef821f6afd94f1426a24bdaace5a0fcd7da1f23ba998004069e7cd2b66a4abe

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\ca7c7cb85ce72bb04040142a336164dde378a846bfbe2938e3a74fffccd1156b.exe
    "C:\Users\Admin\AppData\Local\Temp\ca7c7cb85ce72bb04040142a336164dde378a846bfbe2938e3a74fffccd1156b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:4028
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3856
  • 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:3192
  • 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:4056

Network

MITRE ATT&CK Enterprise v6

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Downloads