Analysis

  • max time kernel
    111s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:08

General

  • Target

    rob_setup.exe

  • Size

    3.8MB

  • MD5

    15d7d8d30cff7298b426aee77c8921d1

  • SHA1

    f3139a950ae1e030d77af3ae037ea2107aa5f58f

  • SHA256

    6f47c3f41fcd0dde186bef174574b8473bae81cd050d88f2953e5814c0f12a12

  • SHA512

    f74d01ef35dc0f703d43e0fbac1deb1a42ce0825de81c69919a6f7107592a94c96bb0d7a62809afc60f7c19b2dd818c4f2909a66d508a18de030e235ac148358

  • SSDEEP

    98304:gEtaHbvRayraF3q3YALB3Br4IWBS3xi1Yo8C4Esg3:6LhI63Bcqhi1R8ztU

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 6 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 21 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rob_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\rob_setup.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Users\Admin\AppData\Local\Temp\is-2LU90.tmp\rob_setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2LU90.tmp\rob_setup.tmp" /SL5="$60124,2575279,780800,C:\Users\Admin\AppData\Local\Temp\rob_setup.exe"
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:884
  • C:\Program Files\VideoLAN\VLC\vlc.exe
    "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\UnlockImport.WTV"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2020
  • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Program Files (x86)\Windows Media Player\setup_wm.exe
      "C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
      2⤵
        PID:1948
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\CompleteGet.html
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:988 CREDAT:275457 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1664
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x550
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1564
    • C:\Gravity\RagnarokBegins(WEST)\rob_launcher.exe
      "C:\Gravity\RagnarokBegins(WEST)\rob_launcher.exe"
      1⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1484

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Discovery

    Query Registry

    1
    T1012

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Gravity\RagnarokBegins(WEST)\rob_launcher.exe
      Filesize

      2.9MB

      MD5

      43a74f54478d8711986cf220b6f101fa

      SHA1

      f37e2d22e49ed103655a5c357b54aabbc556d91a

      SHA256

      a8e7c6cbd305bd2bb8ec4bdfb33789672ef839f0da2266ee309e77309201249d

      SHA512

      fce3f485485d975a488e1308a70df25ca370d6a965dbfa7d70a0f8eb773f6bcc056a95542b33ce08826b186dd406aa6fb6962a3c8ffbdb063cdf312f788170dd

    • C:\Gravity\RagnarokBegins(WEST)\rob_launcher.exe
      Filesize

      2.9MB

      MD5

      43a74f54478d8711986cf220b6f101fa

      SHA1

      f37e2d22e49ed103655a5c357b54aabbc556d91a

      SHA256

      a8e7c6cbd305bd2bb8ec4bdfb33789672ef839f0da2266ee309e77309201249d

      SHA512

      fce3f485485d975a488e1308a70df25ca370d6a965dbfa7d70a0f8eb773f6bcc056a95542b33ce08826b186dd406aa6fb6962a3c8ffbdb063cdf312f788170dd

    • C:\Gravity\RagnarokBegins(WEST)\rob_launcher_data.lst
      Filesize

      107B

      MD5

      c50ff07b9a10fbb5ab489752fcf8030d

      SHA1

      2962b0e0f9ec4e71537af40dc134295ac4a19841

      SHA256

      bcdde5324d011a0388c2a9e7baaf39d8f0aa03b7092809bf0e810f5bcbbe869d

      SHA512

      7c4c103bb0db5e3311745f909a54fd16e638be667f56710f1241ed36b82a24a0b5a04519f5c0f16855edf389f653b64ee9bca99246ac90a4f0d40aae4a6f639f

    • C:\Users\Admin\AppData\Local\Temp\is-2LU90.tmp\rob_setup.tmp
      Filesize

      2.5MB

      MD5

      5fd78f8456484021806be6944cca3bd8

      SHA1

      ca205a25192195c72762b5af4379d96b71cfb004

      SHA256

      41516d754bcc18ef5659d9c69abba163a637d52f25e4ddc69548283826a95e96

      SHA512

      24328c63cecf0fa1fc121e3ec2cc696161b4cb04862de88f4554181707f1c92cfa56854021c4583abd9e26fc1848f0ae9c0222add77bd55ed9bcd884dc8d71d1

    • C:\Users\Admin\AppData\Local\Temp\is-2LU90.tmp\rob_setup.tmp
      Filesize

      2.5MB

      MD5

      5fd78f8456484021806be6944cca3bd8

      SHA1

      ca205a25192195c72762b5af4379d96b71cfb004

      SHA256

      41516d754bcc18ef5659d9c69abba163a637d52f25e4ddc69548283826a95e96

      SHA512

      24328c63cecf0fa1fc121e3ec2cc696161b4cb04862de88f4554181707f1c92cfa56854021c4583abd9e26fc1848f0ae9c0222add77bd55ed9bcd884dc8d71d1

    • \Users\Admin\AppData\Local\Temp\is-2LU90.tmp\rob_setup.tmp
      Filesize

      2.5MB

      MD5

      5fd78f8456484021806be6944cca3bd8

      SHA1

      ca205a25192195c72762b5af4379d96b71cfb004

      SHA256

      41516d754bcc18ef5659d9c69abba163a637d52f25e4ddc69548283826a95e96

      SHA512

      24328c63cecf0fa1fc121e3ec2cc696161b4cb04862de88f4554181707f1c92cfa56854021c4583abd9e26fc1848f0ae9c0222add77bd55ed9bcd884dc8d71d1

    • memory/752-54-0x0000000075D01000-0x0000000075D03000-memory.dmp
      Filesize

      8KB

    • memory/752-61-0x0000000000400000-0x00000000004CC000-memory.dmp
      Filesize

      816KB

    • memory/752-64-0x0000000000400000-0x00000000004CC000-memory.dmp
      Filesize

      816KB

    • memory/752-55-0x0000000000400000-0x00000000004CC000-memory.dmp
      Filesize

      816KB

    • memory/884-62-0x0000000074D01000-0x0000000074D03000-memory.dmp
      Filesize

      8KB

    • memory/884-58-0x0000000000000000-mapping.dmp
    • memory/1484-71-0x000007FEECCF0000-0x000007FEED713000-memory.dmp
      Filesize

      10.1MB

    • memory/1484-72-0x000007FEEBA10000-0x000007FEECAA6000-memory.dmp
      Filesize

      16.6MB

    • memory/1948-67-0x0000000000000000-mapping.dmp
    • memory/2020-65-0x000007FEFC161000-0x000007FEFC163000-memory.dmp
      Filesize

      8KB