Overview

overview

10

Static

static

HEUR-Troja...52.exe

windows7-x64

10

HEUR-Troja...52.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2022 04:33

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General

  • Target

    HEUR-Trojan-Ransom.Win32.Generic-9f34f566be3574593da77a08b892e6494a16e8cf45d3860e5aaf276ee8e65052.exe

  • Size

    61KB

  • MD5

    3813de84a0a30251bd22b18a882ae43a

  • SHA1

    081776437b27dd6a2ae62db89a91ed9419c7e85f

  • SHA256

    9f34f566be3574593da77a08b892e6494a16e8cf45d3860e5aaf276ee8e65052

  • SHA512

    aa6ecf07504f331411548519bb0280195e2d207b575b6c3d2788a0d406aac108eb15d82320fc544c3d09ac026f2d5c6a52d1664a9790b15ec440991caf4ba11d

  • SSDEEP

    768:nKsMqCXfVcWlzM9ZkiANIUP5YLDwUzc80gmq3oP/oDl:nKse1M9ZkiAPOr/0O8/ox

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 4 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) 3 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 2 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-9f34f566be3574593da77a08b892e6494a16e8cf45d3860e5aaf276ee8e65052.exe
    "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-9f34f566be3574593da77a08b892e6494a16e8cf45d3860e5aaf276ee8e65052.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:1960
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1532

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/1532-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1724-56-0x0000000000000000-mapping.dmp
    Download
  • memory/1960-54-0x0000000000D50000-0x0000000000D66000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1960-55-0x00000000751A1000-0x00000000751A3000-memory.dmp
    Filesize

    8KB

    Download