Analysis

  • max time kernel
    150s
  • resource
    win10v191014
  • submitted
    21-01-2020 07:22

General

  • Target

    da989874b3610efe92f46f67d6a83b5f81f2ac1c90fb1133adc27b0b29c96b94

  • Sample

    200121-8rfx5g85jj

  • SHA256

    da989874b3610efe92f46f67d6a83b5f81f2ac1c90fb1133adc27b0b29c96b94

Malware Config

Signatures

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\da989874b3610efe92f46f67d6a83b5f81f2ac1c90fb1133adc27b0b29c96b94.exe
    "C:\Users\Admin\AppData\Local\Temp\da989874b3610efe92f46f67d6a83b5f81f2ac1c90fb1133adc27b0b29c96b94.exe"
    1⤵
    • Drops autorun.inf file
    • Suspicious use of AdjustPrivilegeToken
    • Modifies control panel
    • Sets desktop wallpaper using registry
    PID:4988
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Modifies Internet Explorer settings
    • Modifies control panel
    • Drops file in Windows directory
    PID:4684
  • 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⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    PID:4160
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Modifies Internet Explorer settings
    PID:4256
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:772
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    PID:372
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Checks whether UAC is enabled
    • Modifies registry class
    PID:1008

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • memory/4988-0-0x000000000A3B0000-0x000000000A3B2000-memory.dmp
    Filesize

    8KB