Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20/02/2024, 05:15

General

  • Target
    $1/1337/ExLoader_Installer.exe
  • Size 19.8MB
  • Sample240220-fxl59acc46
  • SHA256 f1e92828ebf9e2443f36c03a5a66a4fba4bd8744ecf5bbf59fc69c84d7a95d18
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$1\1337\ExLoader_Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\$1\1337\ExLoader_Installer.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\ExLoader_Installer.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ExLoader_Installer.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2452
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2112
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Cryptography /v MachineGuid
          4⤵
            PID:2148
        • 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
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1508
          • C:\Windows\System32\reg.exe
            C:\Windows\System32\reg.exe query HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography /v MachineGuid
            4⤵
              PID:2324

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            app.so

            • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\data\app.so
            • Size 5.1MB
            • SHA256 64025d40dc24f3f80ba6cf5db094c099be56125f1b718851109010c6da2346d4
            • 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 3.2MB
            • SHA256 48d025c4477403b3ff4d65481199ba8fcfa16ba39e55fc2dc3ca060bc1913206
            • MD5 SHA1 SHA512 SSDEEP

            shared_preferences.json

            • Path C:\Users\Admin\AppData\Roaming\com.swiftsoft\ExLoader_Installer\shared_preferences.json
            • Size 246B
            • SHA256 48282faf58cc86b9b994240949c6c4732ea53467235bb1aa2aaf1387ec62f6a5
            • MD5 SHA1 SHA512

            ExLoader_Installer.exe

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

            api-ms-win-crt-runtime-l1-1-0.dll

            • Path \Users\Admin\AppData\Local\Temp\RarSFX0\api-ms-win-crt-runtime-l1-1-0.dll
            • Size 15KB
            • SHA256 d899c2f061952b3b97ab9cdbca2450290b0f005909ddd243ed0f4c511d32c198
            • MD5 SHA1 SHA512 SSDEEP

            flutter_windows.dll

            • Path \Users\Admin\AppData\Local\Temp\RarSFX0\flutter_windows.dll
            • Size 1.6MB
            • SHA256 3c413520f4156117993d70bc0cf543cfbc0e8628ebc918c278a923fcfe197c16
            • MD5 SHA1 SHA512 SSDEEP

            msvcp140.dll

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

            vcruntime140.dll

            • Path \Users\Admin\AppData\Local\Temp\RarSFX0\vcruntime140.dll
            • Size 94KB
            • SHA256 0373c0cd6856950dee1b1a9e3ddb896099c6c823f6e46dc00802fed19dbd58d0
            • MD5 SHA1 SHA512 SSDEEP

            vcruntime140_1.dll

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

            memory/2452-1098-0x00000000001B0000-0x00000000001B1000-memory.dmp

            memory/2452-1097-0x00000000020B0000-0x0000000002EAD000-memory.dmp

            memory/2452-1096-0x00000000020B0000-0x0000000002EAD000-memory.dmp

            memory/2452-1095-0x00000000020B0000-0x0000000002EAD000-memory.dmp

            memory/2452-1094-0x00000000001A0000-0x00000000001A1000-memory.dmp