Overview

overview

10

Static

static

HEUR-Troja...f6.exe

windows7-x64

7

HEUR-Troja...f6.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2022 04:33

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General

  • Target

    HEUR-Trojan-Ransom.Win32.Generic-6d7c489b15d82273b057d89b1a142d92caaf735b11b74ffb55348cb5e92d2bf6.exe

  • Size

    62KB

  • MD5

    7e7111b32a1cee99edecd646ca1d5440

  • SHA1

    7a10a266ad25572201ae4166cff7f1d67e8c9365

  • SHA256

    6d7c489b15d82273b057d89b1a142d92caaf735b11b74ffb55348cb5e92d2bf6

  • SHA512

    af94778652a77b918032f198cb917451b0c2fd9f91d1a9360a177cc2ce1faa09e5a5e3651c57d00af45ab5feb37fa00ac54ebcae6b21bdfe4b2dc110c841eec8

  • SSDEEP

    768:uKsMqCXfVcW5/M9ZkiANIULYLDwUzc80gmq3oP/oDy:uKseNM9ZkiAPEr/0O8/oW

Score
10/10
nitropersistenceransomwarespywarestealer

Malware Config

Signatures

  • Nitro

    A ransomware that demands Discord nitro gift codes to decrypt files.

    ransomwarenitro
  • Modifies extensions of user files 5 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-6d7c489b15d82273b057d89b1a142d92caaf735b11b74ffb55348cb5e92d2bf6.exe
    "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-6d7c489b15d82273b057d89b1a142d92caaf735b11b74ffb55348cb5e92d2bf6.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4616
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4356

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/3920-132-0x0000000000030000-0x0000000000046000-memory.dmp
    Filesize

    88KB

    Download
  • memory/3920-133-0x0000000004EA0000-0x0000000005444000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3920-134-0x00000000049F0000-0x0000000004A82000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3920-137-0x00000000007B0000-0x00000000007BA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4356-136-0x0000000000000000-mapping.dmp
    Download
  • memory/4616-135-0x0000000000000000-mapping.dmp
    Download