Overview

overview

10

Static

static

ﱞﱞﱞ�...ﱞﱞ

windows10_x64

10

ﱞﱞﱞ�...ฺฺ

windows10_x64

9

ﱞﱞﱞ�...ﱞﱞ

windows10_x64

ﱞﱞﱞ�...ﱞﱞ

windows10_x64

10

ﱞﱞﱞ�...ﱞﱞ

windows7_x64

win102

windows10_x64

10

win104

windows10_x64

win105

windows10_x64

win106

windows10_x64

win103

windows10_x64

10

win101

windows10_x64

win100

windows10_x64

10

Resubmissions

24-04-2021 06:39

210424-lmjja25q22 10

23-04-2021 19:10

210423-f6mvfx4yyx 10

23-04-2021 19:10

210423-3qnl3etjca 10

23-04-2021 18:20

210423-4keqsccdba 10

23-04-2021 13:38

210423-1f2d5v8a2s 10

23-04-2021 04:53

210423-eenyvz5kqj 10

23-04-2021 04:53

210423-svr8rrwggs 10

23-04-2021 04:53

210423-95h13plc2x 10

22-04-2021 19:11

210422-6s1zd291s6 10

22-04-2021 19:05

210422-dsvj9bzkvn 10

Analysis

  • max time kernel
    301s
  • max time network
    278s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    24-04-2021 06:39

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    Install.exe

  • Size

    497KB

  • MD5

    41a5f4fd1ea7cac4aa94a87aebccfef0

  • SHA1

    0d0abf079413a4c773754bf4fda338dc5b9a8ddc

  • SHA256

    97e95e99fd499ec45a7c1d8683d5731ce5e7a8fb8b710622e578cd169a00d8d9

  • SHA512

    5ca14bda498f26efff4e1179969b8f2c25244063c7bf25f3ec20b5cd24b5be320bbfb8b3d0b2d66f5c5b415da777a766fece5f251a4247773c6cb991417fb75f

Score
9/10
discoveryevasionpersistence

Malware Config

Signatures

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    evasion
  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Program Files directory 9 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Install.exe
    "C:\Users\Admin\AppData\Local\Temp\Install.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Users\Admin\AppData\Local\Temp\is-3GDOL.tmp\Install.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3GDOL.tmp\Install.tmp" /SL5="$301DA,235791,152064,C:\Users\Admin\AppData\Local\Temp\Install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4848
      • C:\Users\Admin\AppData\Local\Temp\is-6S09R.tmp\Ultra.exe
        "C:\Users\Admin\AppData\Local\Temp\is-6S09R.tmp\Ultra.exe" /S /UID=burnerch1
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4072
        • C:\Program Files\Internet Explorer\EROBONFPUJ\ultramediaburner.exe
          "C:\Program Files\Internet Explorer\EROBONFPUJ\ultramediaburner.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4156
          • C:\Users\Admin\AppData\Local\Temp\is-IRHLP.tmp\ultramediaburner.tmp
            "C:\Users\Admin\AppData\Local\Temp\is-IRHLP.tmp\ultramediaburner.tmp" /SL5="$40084,281924,62464,C:\Program Files\Internet Explorer\EROBONFPUJ\ultramediaburner.exe" /VERYSILENT
            5⤵
            • Executes dropped EXE
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:4212
            • C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe
              "C:\Program Files (x86)\UltraMediaBurner\UltraMediaBurner.exe" -silent -desktopShortcut -programMenu
              6⤵
              • Executes dropped EXE
              PID:4264
        • C:\Users\Admin\AppData\Local\Temp\3c-44031-522-690a0-de958044f863c\Bowidiqaesa.exe
          "C:\Users\Admin\AppData\Local\Temp\3c-44031-522-690a0-de958044f863c\Bowidiqaesa.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Modifies system certificate store
          • Suspicious use of AdjustPrivilegeToken
          PID:4244
        • C:\Users\Admin\AppData\Local\Temp\fe-9b98a-46f-3629f-bb6437e3af312\Lixicivaha.exe
          "C:\Users\Admin\AppData\Local\Temp\fe-9b98a-46f-3629f-bb6437e3af312\Lixicivaha.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2828
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1876
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:2268
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3844
  • 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
    • Suspicious use of AdjustPrivilegeToken
    PID:2100
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:4336
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Modifies registry class
    PID:1832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2828-146-0x0000000002400000-0x0000000002402000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2828-149-0x0000000002402000-0x0000000002404000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4072-123-0x00000000026D0000-0x00000000026D2000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4156-126-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4212-131-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4244-141-0x0000000001670000-0x0000000001672000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4264-147-0x00000000003F2000-0x00000000003F4000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4264-140-0x00000000003F0000-0x00000000003F2000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4264-148-0x00000000003F4000-0x00000000003F5000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4264-150-0x00000000003F5000-0x00000000003F7000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4436-114-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB

    Download

  • memory/4848-119-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

    Download