Analysis

  • max time kernel
    185s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-05-2022 20:09

General

  • Target

    40fc54d93205c2049c62da528426414b2bbe1428b22ed6cea5cef4be324e873c.exe

  • Size

    26KB

  • MD5

    6aa840d90f457f13082c87f64d952a41

  • SHA1

    10387f6dd42bf4fc9309f826aed9d4e169fb2c08

  • SHA256

    40fc54d93205c2049c62da528426414b2bbe1428b22ed6cea5cef4be324e873c

  • SHA512

    6788e8d3bb92fe044b235f7b856303b9cd13a50d64d493eeac99aef5fa3515c8499f4d7de4da3c8bd32472deefe15da28043717d0bb715af9c24dafc8ad58f9b

Score
8/10

Malware Config

Signatures

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

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40fc54d93205c2049c62da528426414b2bbe1428b22ed6cea5cef4be324e873c.exe
    "C:\Users\Admin\AppData\Local\Temp\40fc54d93205c2049c62da528426414b2bbe1428b22ed6cea5cef4be324e873c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4196
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\Client.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\Client.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\Client.exe

    Filesize

    26KB

    MD5

    6aa840d90f457f13082c87f64d952a41

    SHA1

    10387f6dd42bf4fc9309f826aed9d4e169fb2c08

    SHA256

    40fc54d93205c2049c62da528426414b2bbe1428b22ed6cea5cef4be324e873c

    SHA512

    6788e8d3bb92fe044b235f7b856303b9cd13a50d64d493eeac99aef5fa3515c8499f4d7de4da3c8bd32472deefe15da28043717d0bb715af9c24dafc8ad58f9b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\Client.exe

    Filesize

    26KB

    MD5

    6aa840d90f457f13082c87f64d952a41

    SHA1

    10387f6dd42bf4fc9309f826aed9d4e169fb2c08

    SHA256

    40fc54d93205c2049c62da528426414b2bbe1428b22ed6cea5cef4be324e873c

    SHA512

    6788e8d3bb92fe044b235f7b856303b9cd13a50d64d493eeac99aef5fa3515c8499f4d7de4da3c8bd32472deefe15da28043717d0bb715af9c24dafc8ad58f9b

  • memory/3740-136-0x0000000000000000-mapping.dmp

  • memory/4196-130-0x0000000000620000-0x000000000062C000-memory.dmp

    Filesize

    48KB

  • memory/4196-131-0x00000000056B0000-0x0000000005C54000-memory.dmp

    Filesize

    5.6MB

  • memory/4196-132-0x0000000004FE0000-0x0000000005072000-memory.dmp

    Filesize

    584KB

  • memory/4196-133-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

    Filesize

    40KB

  • memory/4196-134-0x0000000007570000-0x000000000760C000-memory.dmp

    Filesize

    624KB

  • memory/4196-135-0x00000000089E0000-0x0000000008A46000-memory.dmp

    Filesize

    408KB