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Analysis

  • max time kernel
    116s
  • max time network
    118s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06/08/2024, 05:20

General

  • Target

    WaveInstaller.exe

  • Size

    2.3MB

  • MD5

    8ad8b6593c91d7960dad476d6d4af34f

  • SHA1

    0a95f110c8264cde7768a3fd76db5687fda830ea

  • SHA256

    43e6ae7e38488e95741b1cad60843e7ce49419889285433eb4e697c175a153ab

  • SHA512

    09b522da0958f8b173e97b31b6c7141cb67de5d30db9ff71bc6e61ca9a97c09bff6b17d6eaa03c840500996aad25b3419391af64de1c59e98ff6a8eac636b686

  • SSDEEP

    49152:6inbT3qpTDQSmanAmwJAaDMg33U2pLYiniT:6inKpTJmWAmmAMPWin

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 4 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 7 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe
      "C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3296
      • C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe
        "C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks for any installed AV software in registry
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3908
        • C:\Users\Admin\AppData\Local\Luau Language Server\node.exe
          "C:\Users\Admin\AppData\Local\Luau Language Server\node.exe" server --process-id=3908
          4⤵
          • Executes dropped EXE
          PID:3172
        • C:\Users\Admin\AppData\Local\Bloxstrap\Bloxstrap.exe
          "C:\Users\Admin\AppData\Local\Bloxstrap\Bloxstrap.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          PID:3348
  • 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 registry class
    • Suspicious use of SetWindowsHookEx
    PID:4164
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:4104
  • 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:772
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1584
  • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
    "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
    1⤵
    • Drops file in Windows directory
    • Modifies registry class
    PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Bloxstrap\Bloxstrap.exe

    Filesize

    249KB

    MD5

    772c9fecbd0397f6cfb3d866cf3a5d7d

    SHA1

    6de3355d866d0627a756d0d4e29318e67650dacf

    SHA256

    2f88ea7e1183d320fb2b7483de2e860da13dc0c0caaf58f41a888528d78c809f

    SHA512

    82048bd6e50d38a863379a623b8cfda2d1553d8141923acf13f990c7245c833082523633eaa830362a12bfff300da61b3d8b3cccbe038ce2375fdfbd20dbca31

  • C:\Users\Admin\AppData\Local\Luau Language Server\server\index.js

    Filesize

    6.1MB

    MD5

    6b1cad741d0b6374435f7e1faa93b5e7

    SHA1

    7b1957e63c10f4422421245e4dc64074455fd62a

    SHA256

    6f17add2a8c8c2d9f592adb65d88e08558e25c15cedd82e3f013c8146b5d840f

    SHA512

    a662fc83536eff797b8d59e2fb4a2fb7cd903be8fc4137de8470b341312534326383bb3af58991628f15f93e3bdd57621622d9d9b634fb5e6e03d4aa06977253

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\User\Default\DOMStore\PR2HJ4TZ\dotnet.microsoft[1].xml

    Filesize

    13B

    MD5

    c1ddea3ef6bbef3e7060a1a9ad89e4c5

    SHA1

    35e3224fcbd3e1af306f2b6a2c6bbea9b0867966

    SHA256

    b71e4d17274636b97179ba2d97c742735b6510eb54f22893d3a2daff2ceb28db

    SHA512

    6be8cec7c862afae5b37aa32dc5bb45912881a3276606da41bf808a4ef92c318b355e616bf45a257b995520d72b7c08752c0be445dceade5cf79f73480910fed

  • C:\Users\Admin\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\User\Default\DOMStore\PR2HJ4TZ\dotnet.microsoft[1].xml

    Filesize

    84B

    MD5

    34018f895815dd1d111c62b98b3ba35d

    SHA1

    57076724194d6877a11196601a00cda4bb5c7d15

    SHA256

    fa9f082071252fdd664fb073ec77c055ffccf77484501c24659532d16aff2c05

    SHA512

    a920148884c4144ca112c12ac14444d809accddb3b6356785bdd3914ea7b496bbeaf999e1875fc455c2bd4d458806dc2aec08787179190962a012a38da68e4b5

  • C:\Users\Admin\AppData\Local\Packages\microsoft.microsoftedge_8wekyb3d8bbwe\AC\#!001\MicrosoftEdge\Cache\6D7EGCJB\windowsdesktop-runtime-6.0.32-win-x64[1].exe

    Filesize

    32KB

    MD5

    47755c618a9a9e4c5bda3a442f99485f

    SHA1

    382cbb19d802d77b52cf8c1cf85ba32eddcbd07e

    SHA256

    7f743326cbab2e1312dff1614a09ebdb17d1a4963ad5fbd73eaee2b90b966aba

    SHA512

    9c93583b11f2e8b4fcad6055d6ca05ac853d5314cd15295284ad260b81073af9dbcdcf558420e2a367561e6e98b361842e7a322fb9f04d0238d2b4a9c780f6b5

  • C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe

    Filesize

    949KB

    MD5

    8fb51b92d496c6765f7ba44e6d4a8990

    SHA1

    d3e5a8465622cd5adae05babeb7e34b2b5c777d7

    SHA256

    ab49d6166a285b747e5f279620ab9cea12f33f7656d732aa75900fcb981a5394

    SHA512

    20de93a52fff7b092cb9d77bd26944abed5f5cb67146e6d2d70be6a431283b6de52eb37a0e13dc8bc57dcf8be2d5a95b9c11b3b030a3e2f03dd6e4efc23527a6

  • C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe

    Filesize

    8.0MB

    MD5

    b8631bbd78d3935042e47b672c19ccc3

    SHA1

    cd0ea137f1544a31d2a62aaed157486dce3ecebe

    SHA256

    9cfda541d595dc20a55df5422001dfb58debd401df3abff21b1eee8ede28451c

    SHA512

    0c51d6247e39f7851538a5916b24972e845abfe429f0abdc7b532f654b4afe73dc6e1936f1b062da63bfc90273d3cbc297bf6c802e615f3711d0f180c070aa26

  • \Users\Admin\AppData\Local\Wave\d3dcompiler_47.dll

    Filesize

    3.9MB

    MD5

    3b4647bcb9feb591c2c05d1a606ed988

    SHA1

    b42c59f96fb069fd49009dfd94550a7764e6c97c

    SHA256

    35773c397036b368c1e75d4e0d62c36d98139ebe74e42c1ff7be71c6b5a19fd7

    SHA512

    00cd443b36f53985212ac43b44f56c18bf70e25119bbf9c59d05e2358ff45254b957f1ec63fc70fb57b1726fd8f76ccfad8103c67454b817a4f183f9122e3f50

  • memory/1584-310-0x0000028768D40000-0x0000028768E40000-memory.dmp

    Filesize

    1024KB

  • memory/1584-309-0x0000028768D40000-0x0000028768E40000-memory.dmp

    Filesize

    1024KB

  • memory/1664-441-0x000001AEBB100000-0x000001AEBB102000-memory.dmp

    Filesize

    8KB

  • memory/1664-331-0x000001AEA4C90000-0x000001AEA4C92000-memory.dmp

    Filesize

    8KB

  • memory/1664-333-0x000001AEA4CB0000-0x000001AEA4CB2000-memory.dmp

    Filesize

    8KB

  • memory/1664-445-0x000001AEBB140000-0x000001AEBB142000-memory.dmp

    Filesize

    8KB

  • memory/1664-443-0x000001AEBB120000-0x000001AEBB122000-memory.dmp

    Filesize

    8KB

  • memory/1664-557-0x000001AEBC660000-0x000001AEBC680000-memory.dmp

    Filesize

    128KB

  • memory/1664-447-0x000001AEBB180000-0x000001AEBB182000-memory.dmp

    Filesize

    8KB

  • memory/1664-449-0x000001AEBB190000-0x000001AEBB192000-memory.dmp

    Filesize

    8KB

  • memory/1664-451-0x000001AEBB1B0000-0x000001AEBB1B2000-memory.dmp

    Filesize

    8KB

  • memory/1664-484-0x000001AEA5300000-0x000001AEA5400000-memory.dmp

    Filesize

    1024KB

  • memory/1664-520-0x000001AEB63A0000-0x000001AEB64A0000-memory.dmp

    Filesize

    1024KB

  • memory/1664-328-0x000001AEA4C50000-0x000001AEA4C52000-memory.dmp

    Filesize

    8KB

  • memory/1664-556-0x000001AEBC640000-0x000001AEBC660000-memory.dmp

    Filesize

    128KB

  • memory/2084-2-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-23-0x000000000B4B0000-0x000000000B522000-memory.dmp

    Filesize

    456KB

  • memory/2084-9-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-1-0x0000000000AF0000-0x0000000000D3A000-memory.dmp

    Filesize

    2.3MB

  • memory/2084-8-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-7-0x000000000A0A0000-0x000000000A0D8000-memory.dmp

    Filesize

    224KB

  • memory/2084-6-0x0000000005760000-0x0000000005768000-memory.dmp

    Filesize

    32KB

  • memory/2084-24-0x0000000001570000-0x000000000157A000-memory.dmp

    Filesize

    40KB

  • memory/2084-25-0x0000000001580000-0x000000000158A000-memory.dmp

    Filesize

    40KB

  • memory/2084-237-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-5-0x0000000005750000-0x0000000005758000-memory.dmp

    Filesize

    32KB

  • memory/2084-21-0x0000000001450000-0x0000000001458000-memory.dmp

    Filesize

    32KB

  • memory/2084-20-0x0000000001410000-0x0000000001436000-memory.dmp

    Filesize

    152KB

  • memory/2084-19-0x000000000B3D0000-0x000000000B466000-memory.dmp

    Filesize

    600KB

  • memory/2084-4-0x00000000056B0000-0x0000000005732000-memory.dmp

    Filesize

    520KB

  • memory/2084-3-0x0000000005600000-0x00000000056B2000-memory.dmp

    Filesize

    712KB

  • memory/2084-12-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-11-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-10-0x000000007370E000-0x000000007370F000-memory.dmp

    Filesize

    4KB

  • memory/2084-0-0x000000007370E000-0x000000007370F000-memory.dmp

    Filesize

    4KB

  • memory/3296-233-0x0000000000090000-0x0000000000182000-memory.dmp

    Filesize

    968KB

  • memory/3296-247-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/3296-234-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/3296-235-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/3296-238-0x0000000008830000-0x0000000008934000-memory.dmp

    Filesize

    1.0MB

  • memory/3296-239-0x0000000009560000-0x0000000009576000-memory.dmp

    Filesize

    88KB

  • memory/3296-240-0x00000000095A0000-0x00000000095AA000-memory.dmp

    Filesize

    40KB

  • memory/3296-241-0x0000000009630000-0x000000000964E000-memory.dmp

    Filesize

    120KB

  • memory/3908-261-0x000000000C850000-0x000000000CBA0000-memory.dmp

    Filesize

    3.3MB

  • memory/3908-248-0x0000000000DE0000-0x00000000015E2000-memory.dmp

    Filesize

    8.0MB

  • memory/3908-249-0x0000000005FE0000-0x0000000006080000-memory.dmp

    Filesize

    640KB

  • memory/3908-254-0x000000000A8D0000-0x000000000A982000-memory.dmp

    Filesize

    712KB

  • memory/3908-260-0x000000000BF90000-0x000000000BFB2000-memory.dmp

    Filesize

    136KB

  • memory/4164-302-0x000001BCA2AD0000-0x000001BCA2AD2000-memory.dmp

    Filesize

    8KB

  • memory/4164-267-0x000001BCA3A20000-0x000001BCA3A30000-memory.dmp

    Filesize

    64KB

  • memory/4164-284-0x000001BCA3B30000-0x000001BCA3B40000-memory.dmp

    Filesize

    64KB