Analysis

  • max time kernel
    164s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19-02-2022 19:06

General

  • Target

    d6dfa16ee4ec355f5c7aa7b87ef91417039540ea9cddd35651bbe47bead7364b.exe

  • Size

    61KB

  • MD5

    43e009dd12d10ced6e18b0fbbd55ea22

  • SHA1

    be3e8dfaff36446c8021531fb9a0f0cd040e22d5

  • SHA256

    d6dfa16ee4ec355f5c7aa7b87ef91417039540ea9cddd35651bbe47bead7364b

  • SHA512

    28d2c3da67a132e52f97dc5df609b87e14db9077b2c3c35fbe133cbe08d54ba07dd3d34337f999cc97cd4dbd717c3180e195d2cf4bea6a0a9934e17336f2639e

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\d6dfa16ee4ec355f5c7aa7b87ef91417039540ea9cddd35651bbe47bead7364b.exe
    "C:\Users\Admin\AppData\Local\Temp\d6dfa16ee4ec355f5c7aa7b87ef91417039540ea9cddd35651bbe47bead7364b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3272
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:3576
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
    1⤵
    • Checks processor information in registry
    PID:3968
  • 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:1988
  • 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:3068

Network

MITRE ATT&CK Enterprise v6

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