Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2024 17:34

General

  • Target

    vamicheatloader.exe

  • Size

    77KB

  • MD5

    b074da06d9857ac5261d62b2446774a4

  • SHA1

    7137511fab7f416097aafba40cb0b6becf6c9d6e

  • SHA256

    d75b041e9c687214d97c0110be211d91d0242115475171620a8791f6e79bfc58

  • SHA512

    04faf087159d02915d9981f4666b2dcc1441f6212f9fe8ef8750e1b69436159ac1063c9a2191f59c77864b7688955e3f5e9db7fe0c5f50791bcbb52c49fa3367

  • SSDEEP

    1536:+dWwWpRvrlUSvelsuFXvnd4hbAbYUU0XXS06YTUgOrEKvN:I2TSSmnZvGAbD5iST/Or9N

Malware Config

Extracted

Family

xworm

C2

rooms-belkin.gl.at.ply.gg:48066

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Signatures

  • Detect Xworm Payload 4 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\vamicheatloader.exe
    "C:\Users\Admin\AppData\Local\Temp\vamicheatloader.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\vamicheatloader.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'vamicheatloader.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1196
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {71F1D75E-A203-4508-8204-34D363347F09} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      C:\Users\Admin\AppData\Roaming\svchost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2576
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      C:\Users\Admin\AppData\Roaming\svchost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\SendUnlock.gif
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2436 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:2816
  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:2692
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:1608
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x46c
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2576
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2672

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Scheduled Task/Job

      1
      T1053

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Scheduled Task/Job

      1
      T1053

      Defense Evasion

      Modify Registry

      2
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Query Registry

      1
      T1012

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        edacfd2e1b6fa83d22d58e4d06eeb01b

        SHA1

        a867b3f2958b575f9b00d7e5babaeea16ca25669

        SHA256

        5b739c9fcf6df1c3a62a715e7b134ab7a6e33493a542a1482e53ea5addb63811

        SHA512

        0b843132c5c783d99cbbed7df452083d213ca502496a56a6f936299d9702ba6b6d79fad0ad084cdd08255e6f3cb161a9c6fe5924097547c92ee7a9ae2fd2dbf6

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        52fd8d3ec9b05f4177a6844027ebe658

        SHA1

        b4db39f6a80457110d020ae5d90075c4b977de19

        SHA256

        6e4abca2ffc64b77966f23ec51be0fca2efdda2d74502a5130bead2db3314cfb

        SHA512

        0a6bc984bbea9cb7738e4922759b1f1ba152347b267308a4dbd88a3112c269f6dcf2b3284d7066006187e143432cb67946b52f7f9968c18281aa54a85709db16

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        5bf69d838259336b51f40426995528b6

        SHA1

        64e876042f415f5982f8d0b7e41c852c08d8b2d4

        SHA256

        3b5048c5ebb6583fd9980e4767c7117ecb0b18483e8c0f67830af917e7cd32df

        SHA512

        5620991e4b13d042e23d775b448fabaa16b6670737ab27d90e03683ec43c189c380461aa6dc785c195a08bdde4a13453d0c6b43b8c49835ce1235378849ef0ac

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        ec81d114b1682938d9643dc9abfc0e8f

        SHA1

        7570f19f18e7018cc50b71e14ee37bfcae208e45

        SHA256

        898bb276276fe802e4e12d7b3caf86cf6cd0c757b32e60d886cc30e30e01ab57

        SHA512

        87bdf1009d151ee93eb180ec16cf393575871785fd089d64beb833fad5ac1beb72988a6da3a4a2299cff8b1e7e2338fd6a1b7d932ca11ac056bf59fe31af9ee8

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        864e535ffd10b364f46be52347e31596

        SHA1

        811b0df2de4a5de8cd5993a809a71a0050b79bed

        SHA256

        885e612fb7f4e376a5b43f2fa3004effafb7194e1467d2733e1330ddf83478da

        SHA512

        85872e593eaae552359e30d3d708463cd147f511e7289e12ab831288f9301f21e9be0ebc8ac41f8c5b65758c9fe0fc6cdfda801f12dcafeeb8b37c63371a8d7b

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        720624c789d80905b185ba51c1e98b03

        SHA1

        f22652a328a7cb9554888640e22d5fa909af6947

        SHA256

        488f47e968a7e0cbc2f39bb9feb3a654391b1381bbd3b80be1008d98e82c75ce

        SHA512

        03a0fdad531000a7ea24b3227471844353ad1a0ef6cc3b433b97593fc41c29222647c6ce6804d67a98c91ae1844c870c9c9bee9790b01c618e836ea8db905fd1

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        833e30c9d0d7ae1145353acc6f12b6c9

        SHA1

        3d96ed031d08afb03f01aed7e26180b295b16caa

        SHA256

        2f81b84ec2c75ff62be1ed58e298f8eb48df23e6a366650e7c47b4cd74b071e1

        SHA512

        057d457a1241d81a92dc2f73d4172707e3498223ab3de8844737c75045e7fc95a8423c3274bed78b3c31e0b8e3bfb5c1e6b680ceebc089f55c1312d591d9cb55

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        344B

        MD5

        c6fa6744e1277bc799b87f0f302b2f56

        SHA1

        f2c8dec0305226339170a2e424eaf0c1bb4bd565

        SHA256

        b8baad021e7cedcf41cd45cf49e6421c4be368a1ebc0bf9045104fa94bee5849

        SHA512

        1758471b58a5f01246d5e8d2f172fd140c177ba4f3dfdb1b441bf0489ebd254d516e937dbd78f3ca50e8cacaa3569cd5323b15d9265d80a67003227217931fad

      • C:\Users\Admin\AppData\Local\Temp\Cab35F2.tmp
        Filesize

        68KB

        MD5

        29f65ba8e88c063813cc50a4ea544e93

        SHA1

        05a7040d5c127e68c25d81cc51271ffb8bef3568

        SHA256

        1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

        SHA512

        e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

      • C:\Users\Admin\AppData\Local\Temp\Tar3652.tmp
        Filesize

        177KB

        MD5

        435a9ac180383f9fa094131b173a2f7b

        SHA1

        76944ea657a9db94f9a4bef38f88c46ed4166983

        SHA256

        67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

        SHA512

        1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
        Filesize

        7KB

        MD5

        e1e06afacaaee044f0d15ca6193b7b7f

        SHA1

        6f8ab6047fd6a49ae3a27f308e8814a841759b9f

        SHA256

        f7e3c938068fdedb5ede0db35f7251c7dfe559e3375ccd4487c133f9b4928c42

        SHA512

        6ece49289b8c954864cbdab9f1c7a07011769b39d35a46723ef67abde34dbd50dbca574276abe6dc6b1b5deab4d55d5b905416428310bdbd844240ea139842be

      • C:\Users\Admin\AppData\Roaming\svchost.exe
        Filesize

        77KB

        MD5

        b074da06d9857ac5261d62b2446774a4

        SHA1

        7137511fab7f416097aafba40cb0b6becf6c9d6e

        SHA256

        d75b041e9c687214d97c0110be211d91d0242115475171620a8791f6e79bfc58

        SHA512

        04faf087159d02915d9981f4666b2dcc1441f6212f9fe8ef8750e1b69436159ac1063c9a2191f59c77864b7688955e3f5e9db7fe0c5f50791bcbb52c49fa3367

      • \??\PIPE\srvsvc
        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • memory/2188-0-0x000007FEF5D13000-0x000007FEF5D14000-memory.dmp
        Filesize

        4KB

      • memory/2188-32-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp
        Filesize

        9.9MB

      • memory/2188-31-0x000007FEF5D13000-0x000007FEF5D14000-memory.dmp
        Filesize

        4KB

      • memory/2188-485-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp
        Filesize

        9.9MB

      • memory/2188-2-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp
        Filesize

        9.9MB

      • memory/2188-1-0x0000000001120000-0x000000000113A000-memory.dmp
        Filesize

        104KB

      • memory/2324-39-0x0000000000130000-0x000000000014A000-memory.dmp
        Filesize

        104KB

      • memory/2576-36-0x0000000001320000-0x000000000133A000-memory.dmp
        Filesize

        104KB

      • memory/2680-8-0x0000000001D90000-0x0000000001D98000-memory.dmp
        Filesize

        32KB

      • memory/2680-7-0x000000001B690000-0x000000001B972000-memory.dmp
        Filesize

        2.9MB

      • memory/2720-15-0x0000000002290000-0x0000000002298000-memory.dmp
        Filesize

        32KB

      • memory/2720-14-0x000000001B760000-0x000000001BA42000-memory.dmp
        Filesize

        2.9MB