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Analysis

  • max time kernel
    152s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19/02/2022, 19:43

General

  • Target

    9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe

  • Size

    28KB

  • MD5

    38a6b865b53b8d4c7c6c84f9a7c00adb

  • SHA1

    e00deec328dc0a592465d0625f1e7f0eeff22676

  • SHA256

    9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950

  • SHA512

    393e2b5a92e6bffd114e7239f1bb44a41dc2bfcc80e585987cb350ae245adbabd4282152f04abdc0428b45e6d0c9ed50ff5d909625e2023343cf1e4efdbeb010

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 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe
    "C:\Users\Admin\AppData\Local\Temp\9c20edb0ce9bb354eaee4fa57761df5e491cbb942db2736da8ae7f6a30f6a950.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2264
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/640-133-0x000002E778420000-0x000002E778430000-memory.dmp

    Filesize

    64KB

  • memory/640-134-0x000002E778480000-0x000002E778490000-memory.dmp

    Filesize

    64KB

  • memory/640-135-0x000002E77AB40000-0x000002E77AB44000-memory.dmp

    Filesize

    16KB

  • memory/1312-136-0x00000000006B0000-0x00000000006B1000-memory.dmp

    Filesize

    4KB