Resubmissions

14-09-2021 08:51

210914-ksanwaaddn 10

13-09-2021 13:58

210913-q947psdgf5 10

Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    13-09-2021 13:58

General

  • Target

    mixshop_20210913-152925.exe

  • Size

    302KB

  • MD5

    2562972dd8803380fc754bd9eb897342

  • SHA1

    3f3460ca64a8ff5f67639a9d153fcbde2ada63c0

  • SHA256

    6f9ceec310ada7c427dd089f4bfc0016974a0e07faccb8d7dce51eb33a0210e4

  • SHA512

    9599f56d90627e33893f61a5385b87b1045b004100f5920624388f48cbe60140a41bdad0b88dd971b2e67dd06854519faf5d2a88a474157ddd9fcce86b721b35

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mixshop_20210913-152925.exe
    "C:\Users\Admin\AppData\Local\Temp\mixshop_20210913-152925.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\pEVcITOvd & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\mixshop_20210913-152925.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1036
      • C:\Windows\SysWOW64\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:1812

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1036-56-0x0000000000000000-mapping.dmp

  • memory/1148-53-0x0000000076581000-0x0000000076583000-memory.dmp

    Filesize

    8KB

  • memory/1148-55-0x0000000000400000-0x000000000216A000-memory.dmp

    Filesize

    29.4MB

  • memory/1148-54-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB

  • memory/1812-57-0x0000000000000000-mapping.dmp