Analysis

  • user interaction
    yes
  • max time kernel
    114s
  • max time network
    103s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    24/08/2026, 06:02

General

  • Target
    launcher.exe
  • Size 54KB
  • Sample260824-grnbsstbre
  • SHA256 36d19d6b9767c26e891c5e29c56ab61b7ee51af074e20d0ad76ed1a1700111bb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file 3 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\launcher.exe"
    1⤵
    • Downloads MZ/PE file
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Public\hotwdlc.exe
      "C:\Users\Public\hotwdlc.exe"
      2⤵
      • Downloads MZ/PE file
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Users\Public\loader.exe
        "C:\Users\Public\loader.exe"
        3⤵
        • Downloads MZ/PE file
        • Checks computer location settings
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3064
        • C:\Windows\System32\vcpkgrcv.exe
          "C:\Windows\System32\vcpkgrcv.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:2816
  • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:2408
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:3152

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
        • Size 808B
        • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 316B
        • SHA256 9066534b093088a317bb7df20fec902d509d2b711c016a7d7600e2716cb4a79f
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 172KB
        • SHA256 28f771a64e047b97718ecd42c15cbdccc1971bb075b76d81b869d86b978ea14c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        9A1FE8299CD2832973A0AA5F6FB0A7B0

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9A1FE8299CD2832973A0AA5F6FB0A7B0
        • Size 281B
        • SHA256 23e136c8df760799998ca6d5d72dd816706bc6cc2a277ab0e39a44794939b5cb
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 978B
        • SHA256 06e16fc816cd78ffb99afac3ddb8b50e6aec5ca8ccc83e66de02bdcaae6d3567
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 701B
        • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
        • MD5 SHA1 SHA512 TLSH

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 fa1d9647b2e01ca8e7f2280ed1aa6e94f4cad36f2ee42f24b55ff44f79d961df
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 5344403648fd81958a03be9832014925cc866cddcadf5b243b677f1bed9d6bed
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 08a58746dd538dc3333bab667162b0d7145d1a947298e5b4efd1e7d8208efa02
        • MD5 SHA1 SHA512 TLSH

        9A1FE8299CD2832973A0AA5F6FB0A7B0

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9A1FE8299CD2832973A0AA5F6FB0A7B0
        • Size 488B
        • SHA256 adc532314f1d28404070df55c172d7d1cd760744921f156853dc8cc95b017a14
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 be4f312092b431cf937f64f0194c3f8c41bf6c7157ebe68782cd7ee3a4cdf17f
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 1bb45eb3b47d379b122705ec2011f04c3a18302e54601aefeb1549afcd9a02aa
        • MD5 SHA1 SHA512 TLSH

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 64KB
        • SHA256 f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CurrentDatabase_400.wmdb

        • Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
        • Size 1024KB
        • SHA256 be0166be6bf247fc9c618b14c19b911297d9bee4276e4d32f956e9e91014de6c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WMSDKNS.DTD

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD
        • Size 498B
        • SHA256 644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf
        • MD5 SHA1 SHA512 TLSH

        WMSDKNS.XML

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
        • Size 9KB
        • SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SubModuleorig[1].xml

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\K20AJ31L\SubModuleorig[1].xml
        • Size 5KB
        • SHA256 a327a41d4d44da023017d8aff7f305a782d9970bd578b9d378bcd37c4f320e5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wmsetup.log

        • Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
        • Size 1KB
        • SHA256 09caae4e1d69abdb53b447ad69b0e23c05c8073a1ca678ff2af1e52d765c4c31
        • MD5 SHA1 SHA512 TLSH

        hotwdlc.exe

        • Path C:\Users\Public\hotwdlc.exe
        • Size 116KB
        • SHA256 17600080b6a45049c1595c0583d2d1db8b552161e763dcce0b5746088219b6bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        loader.exe

        • Path C:\Users\Public\loader.exe
        • Size 12.0MB
        • SHA256 84e2eef044389a7a1d2ee4dedde5a7b296f1432e579ed7aba32aecc446eec693
        • MD5 SHA1 SHA512 SSDEEP TLSH

        updatelogs.txt

        • Path C:\Windows\System32\Microsoft\updatelogs.txt
        • Size 1B
        • SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
        • MD5 SHA1 SHA512

        vcpkgrcv.exe

        • Path C:\Windows\System32\vcpkgrcv.exe
        • Size 12.2MB
        • SHA256 4a392eaf10921003e22036eb08ab1cdcaaddbf3d8289879864cd37c930f1ef68
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2816-83-0x00007FF8E75D0000-0x00007FF8E75D2000-memory.dmp

        memory/2816-84-0x00007FF8E75E0000-0x00007FF8E75E2000-memory.dmp

        memory/2816-85-0x0000000140000000-0x00000001413B7000-memory.dmp

        memory/3064-60-0x00007FF8E75D0000-0x00007FF8E75D2000-memory.dmp

        memory/3064-62-0x0000000140000000-0x0000000141344000-memory.dmp

        memory/3064-61-0x00007FF8E75E0000-0x00007FF8E75E2000-memory.dmp

        memory/3164-126-0x000000000A730000-0x000000000A740000-memory.dmp

        memory/3164-124-0x00000000082C0000-0x00000000082D0000-memory.dmp

        memory/3164-129-0x000000000A730000-0x000000000A740000-memory.dmp

        memory/3164-131-0x000000000A730000-0x000000000A740000-memory.dmp

        memory/3164-130-0x000000000A730000-0x000000000A740000-memory.dmp

        memory/3164-128-0x000000000A730000-0x000000000A740000-memory.dmp

        memory/3164-127-0x000000000A730000-0x000000000A740000-memory.dmp

        memory/3164-132-0x000000000A730000-0x000000000A740000-memory.dmp

        memory/3164-133-0x000000000A730000-0x000000000A740000-memory.dmp