Overview

overview

6

task1

 

6

task2

 

6

Analysis

  • max time kernel
    149s
  • resource
    win10v191014
  • submitted
    21-01-2020 08:50

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General

  • Target

    cyborg.zip

  • Sample

    200121-3tksfyztgn

  • SHA256

    2b2065128fc352aad6e5d87d6542a7d7bfea54d984c9b974458e2a5a0a89e259

Score
6/10
ransomwarespreadingtrojanevasion

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Drops autorun.inf file 1 TTPs 2 IoCs
    spreadingtrojan
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Modifies registry class 245 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
    evasiontrojan
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Modifies control panel 3 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\12b92b6215b4c1dcd7ed9421ff49e540f8db08122a58fb1982ce4566b29a33d3.exe
    "C:\Users\Admin\AppData\Local\Temp\12b92b6215b4c1dcd7ed9421ff49e540f8db08122a58fb1982ce4566b29a33d3.exe"
    1⤵
    • Drops autorun.inf file
    • Sets desktop wallpaper using registry
    • Suspicious use of AdjustPrivilegeToken
    • Modifies control panel
    PID:4972
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
    1⤵
    • Modifies Internet Explorer settings
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Modifies registry class
    • Checks whether UAC is enabled
    • Suspicious use of AdjustPrivilegeToken
    • Modifies control panel
    PID:4604
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:4776
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: MapViewOfSection
    • Modifies registry class
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:4116
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Checks whether UAC is enabled
    • Suspicious use of AdjustPrivilegeToken
    PID:4196
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Checks whether UAC is enabled
    • Suspicious use of AdjustPrivilegeToken
    PID:5104
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Checks whether UAC is enabled
    PID:996
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Checks whether UAC is enabled
    PID:3664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/4972-0-0x000000000A080000-0x000000000A082000-memory.dmp
    Filesize

    8KB

    Download