Overview

overview

10

Static

static

10

78769e4085...7e.zip

windows7_x64

1

78769e4085...7e.zip

windows10-2004_x64

malware-an...er.pdf

windows7_x64

1

malware-an...er.pdf

windows10-2004_x64

1

malware-an...is.pdf

windows7_x64

1

malware-an...is.pdf

windows10-2004_x64

1

malware-an...ypt.py

linux_amd64

malware-an...ypt.py

linux_armhf

malware-an...ypt.py

linux_mips

malware-an...ypt.py

linux_mipsel

malware-an...ons.py

windows7_x64

3

malware-an...ons.py

windows10-2004_x64

3

malware-an...is.pdf

windows7_x64

1

malware-an...is.pdf

windows10-2004_x64

malware-an...tt.ps1

windows7_x64

10

malware-an...tt.ps1

windows10-2004_x64

8

malware-an...tt.vbs

windows7_x64

malware-an...tt.vbs

windows10-2004_x64

7

malware-an...er.ps1

windows7_x64

1

malware-an...er.ps1

windows10-2004_x64

malware-an...od.ps1

windows7_x64

malware-an...od.ps1

windows10-2004_x64

10

malware-an...44.exe

windows7_x64

10

malware-an...44.exe

windows10-2004_x64

malware-an...55.dll

windows7_x64

1

malware-an...55.dll

windows10-2004_x64

malware-an...xes.py

linux_amd64

malware-an...xes.py

linux_armhf

malware-an...xes.py

linux_mips

malware-an...xes.py

linux_mipsel

malware-an...dra.py

windows7_x64

malware-an...dra.py

windows10-2004_x64

3

Analysis

  • max time kernel
    106s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:11

Sharing

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Report Analysis Logs

General

  • Target

    malware-analysis-writeups-master/razy-variant/razyVariantDecryptStackStrings_ghidra.py

  • Size

    3KB

  • MD5

    dff77679ed7ca91d5ed75be8162bd0b3

  • SHA1

    47b22f8b9db98a91d6fcb26f66a82fc6c826b81e

  • SHA256

    2d916994f6014273de59f89f2399c2f9f1d153fbc976fc7e87925a572f13a468

  • SHA512

    66993c87187a326e6f05ceaf399c67d3feddbd4f59d220e759d405241f93f6b7258c86c3f687b27d5453605042b048f119796e658c3ddda4bfb70993d1544ee3

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\malware-analysis-writeups-master\razy-variant\razyVariantDecryptStackStrings_ghidra.py
    1⤵
    • Modifies registry class
    PID:3424
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3276

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads