Analysis

  • max time kernel
    151s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    11-05-2021 13:54

General

  • Target

    20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe

  • Size

    34KB

  • MD5

    ae5ed9b3e635cbd6e23a5393384357c9

  • SHA1

    182019cc183cad1ad12dee5d6249cceabdf7f453

  • SHA256

    20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d

  • SHA512

    3bff1af08121b6dd60ad1821aef8b1f0cba02ca51ccfe599bfd4bc001eeb392eadf99ca1164faee3872ed7bd33f7a9b35becc8a95cde8f76fc7eae17f2fead7c

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe
    "C:\Users\Admin\AppData\Local\Temp\20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1748
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1296

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    7ca949080ef2998de91bff33395d0087

    SHA1

    5199fa45b9b58fbf4f8244c275ffd5deb394a1e2

    SHA256

    330c8fa6bcd95a370eebb62eef0adc21c6bc6ff2ce042fb2761bbd3bf8457f8d

    SHA512

    fd8257ec4d774d31fd9b4953d47c2556cae10fa04129e58dcbcd04413fb45bff81238b08573fbb49576087951122c49b12862c7cfbdc166b3e3f96e857935f87

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    7ca949080ef2998de91bff33395d0087

    SHA1

    5199fa45b9b58fbf4f8244c275ffd5deb394a1e2

    SHA256

    330c8fa6bcd95a370eebb62eef0adc21c6bc6ff2ce042fb2761bbd3bf8457f8d

    SHA512

    fd8257ec4d774d31fd9b4953d47c2556cae10fa04129e58dcbcd04413fb45bff81238b08573fbb49576087951122c49b12862c7cfbdc166b3e3f96e857935f87

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    7ca949080ef2998de91bff33395d0087

    SHA1

    5199fa45b9b58fbf4f8244c275ffd5deb394a1e2

    SHA256

    330c8fa6bcd95a370eebb62eef0adc21c6bc6ff2ce042fb2761bbd3bf8457f8d

    SHA512

    fd8257ec4d774d31fd9b4953d47c2556cae10fa04129e58dcbcd04413fb45bff81238b08573fbb49576087951122c49b12862c7cfbdc166b3e3f96e857935f87

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    7ca949080ef2998de91bff33395d0087

    SHA1

    5199fa45b9b58fbf4f8244c275ffd5deb394a1e2

    SHA256

    330c8fa6bcd95a370eebb62eef0adc21c6bc6ff2ce042fb2761bbd3bf8457f8d

    SHA512

    fd8257ec4d774d31fd9b4953d47c2556cae10fa04129e58dcbcd04413fb45bff81238b08573fbb49576087951122c49b12862c7cfbdc166b3e3f96e857935f87

  • memory/1296-63-0x0000000000000000-mapping.dmp

  • memory/1748-60-0x00000000757E1000-0x00000000757E3000-memory.dmp

    Filesize

    8KB

  • memory/1748-66-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB