Resubmissions

17/08/2026, 04:47

260817-fehecatckc6

08/08/2026, 02:44

260808-c75tkagk8x10

Analysis

  • user interaction
    yes
  • max time kernel
    450s
  • max time network
    440s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/08/2026, 02:44

General

  • Target
    cb-launcher.exe
  • Size 2.6MB
  • Sample260808-c75tkagk8x
  • SHA256 c316e67a2136dcd29f49ddfbf3558286e7b0361813b99da063e73c8127a298b1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Signatures

  • Family: Remus

    Remus is a stealer written in C++.

  • Detects Remus stealer 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 64 IoCs

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

  • Downloads MZ/PE file 8 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe"
    1⤵
      PID:4548
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3536
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2232
      • C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe"
        1⤵
          PID:536
        • C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe
          "C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe"
          1⤵
          • Downloads MZ/PE file
          • Checks computer location settings
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3252
          • C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe
            "C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-sandbox --use-angle=swiftshader-webgl --use-gl=angle --enable-experimental-web-platform-features --locales-dir-path="C:\Users\Admin\AppData\Local\cbservers\data\cef\release\locales" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\cbservers\data\cef\release" --lang=en-US --user-data-dir="C:\Users\Admin\AppData\Local\cbservers\user\cef-data\user" --cb-subprocess --log-file="C:\Users\Admin\AppData\Local\cbservers\user\cef-data\debug.log" --mojo-platform-channel-handle=2620 --field-trial-handle=2748,i,13746777374486984257,16036261257878286506,262144 --enable-features=BlockInsecurePrivateNetworkRequests,BlockInsecurePrivateNetworkRequestsForNavigations,BlockInsecurePrivateNetworkRequestsFromPrivate,BlockInsecurePrivateNetworkRequestsFromUnknown,ClientHintThirdPartyDelegation,ClientHintsMetaEquivDelegateCH,ClientHintsMetaHTTPEquivAcceptCH,ClipboardCustomFormats,CookieSameSiteConsidersRedirectChain,CreateImageBitmapOrientationNone,CriticalClientHint,DocumentPictureInPictureAPI,DocumentPolicyNegotiation,DocumentReporting,EditContext,EnableCanvas2DLayers,ExperimentalContentSecurityPolicyFeatures,OriginIsolationHeader,PendingBeaconAPI,PrivateNetworkAccessRespectPreflightResults,SchemefulSameSite,StorageAccessAPI,StorageAccessAPIForOriginExtension,ThirdPartyStoragePartitioning,UserAgentClientHint --disable-features=BackForwardCache,CalculateNativeWinOcclusion /prefetch:8
            2⤵
            • Loads dropped DLL
            PID:1284
          • C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe
            "C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-sandbox --use-angle=swiftshader-webgl --use-gl=angle --enable-experimental-web-platform-features --locales-dir-path="C:\Users\Admin\AppData\Local\cbservers\data\cef\release\locales" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\cbservers\data\cef\release" --lang=en-US --user-data-dir="C:\Users\Admin\AppData\Local\cbservers\user\cef-data\user" --cb-subprocess --log-file="C:\Users\Admin\AppData\Local\cbservers\user\cef-data\debug.log" --mojo-platform-channel-handle=2756 --field-trial-handle=2748,i,13746777374486984257,16036261257878286506,262144 --enable-features=BlockInsecurePrivateNetworkRequests,BlockInsecurePrivateNetworkRequestsForNavigations,BlockInsecurePrivateNetworkRequestsFromPrivate,BlockInsecurePrivateNetworkRequestsFromUnknown,ClientHintThirdPartyDelegation,ClientHintsMetaEquivDelegateCH,ClientHintsMetaHTTPEquivAcceptCH,ClipboardCustomFormats,CookieSameSiteConsidersRedirectChain,CreateImageBitmapOrientationNone,CriticalClientHint,DocumentPictureInPictureAPI,DocumentPolicyNegotiation,DocumentReporting,EditContext,EnableCanvas2DLayers,ExperimentalContentSecurityPolicyFeatures,OriginIsolationHeader,PendingBeaconAPI,PrivateNetworkAccessRespectPreflightResults,SchemefulSameSite,StorageAccessAPI,StorageAccessAPIForOriginExtension,ThirdPartyStoragePartitioning,UserAgentClientHint --disable-features=BackForwardCache,CalculateNativeWinOcclusion /prefetch:8
            2⤵
            • Loads dropped DLL
            PID:5008
          • C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe
            "C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe" --type=renderer --locales-dir-path="C:\Users\Admin\AppData\Local\cbservers\data\cef\release\locales" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\cbservers\data\cef\release" --user-data-dir="C:\Users\Admin\AppData\Local\cbservers\user\cef-data\user" --cb-subprocess --first-renderer-process --no-sandbox --enable-experimental-web-platform-features --log-file="C:\Users\Admin\AppData\Local\cbservers\user\cef-data\debug.log" --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2896 --field-trial-handle=2748,i,13746777374486984257,16036261257878286506,262144 --enable-features=BlockInsecurePrivateNetworkRequests,BlockInsecurePrivateNetworkRequestsForNavigations,BlockInsecurePrivateNetworkRequestsFromPrivate,BlockInsecurePrivateNetworkRequestsFromUnknown,ClientHintThirdPartyDelegation,ClientHintsMetaEquivDelegateCH,ClientHintsMetaHTTPEquivAcceptCH,ClipboardCustomFormats,CookieSameSiteConsidersRedirectChain,CreateImageBitmapOrientationNone,CriticalClientHint,DocumentPictureInPictureAPI,DocumentPolicyNegotiation,DocumentReporting,EditContext,EnableCanvas2DLayers,ExperimentalContentSecurityPolicyFeatures,OriginIsolationHeader,PendingBeaconAPI,PrivateNetworkAccessRespectPreflightResults,SchemefulSameSite,StorageAccessAPI,StorageAccessAPIForOriginExtension,ThirdPartyStoragePartitioning,UserAgentClientHint --disable-features=BackForwardCache,CalculateNativeWinOcclusion /prefetch:1
            2⤵
            • Checks computer location settings
            • Loads dropped DLL
            PID:3176
          • C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe
            "C:\Users\Admin\AppData\Local\Temp\cb-launcher.exe" --type=renderer --locales-dir-path="C:\Users\Admin\AppData\Local\cbservers\data\cef\release\locales" --log-severity=disable --resources-dir-path="C:\Users\Admin\AppData\Local\cbservers\data\cef\release" --user-data-dir="C:\Users\Admin\AppData\Local\cbservers\user\cef-data\user" --cb-subprocess --no-sandbox --enable-experimental-web-platform-features --log-file="C:\Users\Admin\AppData\Local\cbservers\user\cef-data\debug.log" --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2900 --field-trial-handle=2748,i,13746777374486984257,16036261257878286506,262144 --enable-features=BlockInsecurePrivateNetworkRequests,BlockInsecurePrivateNetworkRequestsForNavigations,BlockInsecurePrivateNetworkRequestsFromPrivate,BlockInsecurePrivateNetworkRequestsFromUnknown,ClientHintThirdPartyDelegation,ClientHintsMetaEquivDelegateCH,ClientHintsMetaHTTPEquivAcceptCH,ClipboardCustomFormats,CookieSameSiteConsidersRedirectChain,CreateImageBitmapOrientationNone,CriticalClientHint,DocumentPictureInPictureAPI,DocumentPolicyNegotiation,DocumentReporting,EditContext,EnableCanvas2DLayers,ExperimentalContentSecurityPolicyFeatures,OriginIsolationHeader,PendingBeaconAPI,PrivateNetworkAccessRespectPreflightResults,SchemefulSameSite,StorageAccessAPI,StorageAccessAPIForOriginExtension,ThirdPartyStoragePartitioning,UserAgentClientHint --disable-features=BackForwardCache,CalculateNativeWinOcclusion /prefetch:1
            2⤵
            • Checks computer location settings
            • Loads dropped DLL
            PID:1196

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              chrome_100_percent.pak

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\chrome_100_percent.pak
              • Size 607KB
              • SHA256 80139849d4cf4a9dc8ad429be071229bd7538c41f5af5aed498fd981873bd4cf
              • MD5 SHA1 SHA512 SSDEEP TLSH

              chrome_200_percent.pak

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\chrome_200_percent.pak
              • Size 915KB
              • SHA256 f2a2c9dd0ec8baf6820b445a1485787c6651d3f0c8d0ec8f58a808b836fa04d0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              chrome_elf.dll

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\chrome_elf.dll
              • Size 1.4MB
              • SHA256 08ab23efb637be966b98a446e7bade2c321c40d276d1bc9b7bf2c2e372773fc1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              d3dcompiler_47.dll

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\d3dcompiler_47.dll
              • Size 4.7MB
              • SHA256 e4bc3420a28069bd13dc3be725d46676a7c0e99de221026e8c43cd6f7ed45c0b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              icudtl.dat

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\icudtl.dat
              • Size 10.1MB
              • SHA256 ee3c8883effd90edfb0ff5b758c560cbca25d1598fcb55b80ef67e990dd19d41
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libEGL.dll

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\libEGL.dll
              • Size 464KB
              • SHA256 f7d7ac7f1728e2b9005c018dd3b02e7abbb6e72cc5e6487170f4789370d0d73d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              libGLESv2.dll

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\libGLESv2.dll
              • Size 7.0MB
              • SHA256 25c093a77b4a1ea7ed6281b0fea3ff78b65b92943dd428b7b03ca30ba3d18b9f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              en-US.pak

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\locales\en-US.pak
              • Size 384KB
              • SHA256 18b68d00be426a4f7acd4efc1e45ae296720ade13ca66d3cf768e48d814b6a25
              • MD5 SHA1 SHA512 SSDEEP TLSH

              resources.pak

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\resources.pak
              • Size 7.4MB
              • SHA256 6f9dafb5d3f16b89d13c01bcd52695d0671a66f6719a6bc54a878106903516c0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              v8_context_snapshot.bin

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\v8_context_snapshot.bin
              • Size 661KB
              • SHA256 eb3bb6497db6ed980a1702ef2db9df891ea6327a6498e670d038b41f69c3ff10
              • MD5 SHA1 SHA512 SSDEEP TLSH

              vulkan-1.dll

              • Path C:\Users\Admin\AppData\Local\cbservers\data\cef\release\vulkan-1.dll
              • Size 902KB
              • SHA256 ae91c4e7548eaf48b1a65c43f518e2c1989b4740efe82726b56b6be31cbfd1c3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              discord_partner_sdk.dll

              • Path C:\Users\Admin\AppData\Local\cbservers\data\discord\discord_partner_sdk.dll
              • Size 9.4MB
              • SHA256 46170463bf263045972fde1ccaa51b380eb1443541036a809d24f4e6a9f9c388
              • MD5 SHA1 SHA512 SSDEEP TLSH

              CURRENT

              • Path C:\Users\Admin\AppData\Local\cbservers\user\cef-data\cache\CURRENT
              • Size 16B
              • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
              • MD5 SHA1 SHA512

              the-real-index

              • Path C:\Users\Admin\AppData\Local\cbservers\user\cef-data\cache\Code Cache\js\index-dir\the-real-index
              • Size 48B
              • SHA256 e258676e55cb38329f51b820fd60a8ce5d3161c1759663af9bcc868242a43dcb
              • MD5 SHA1 SHA512

              the-real-index

              • Path C:\Users\Admin\AppData\Local\cbservers\user\cef-data\cache\Code Cache\js\index-dir\the-real-index
              • Size 432B
              • SHA256 2c6ec9b3b7c15544b157c0676caa4b40944b31c78d40807abadda32d36a94efd
              • MD5 SHA1 SHA512 TLSH

              LocalPrefs.json

              • Path C:\Users\Admin\AppData\Local\cbservers\user\cef-data\cache\LocalPrefs.json
              • Size 681B
              • SHA256 adc4e0136c8187fc45ff259af2ae396823de1b5fd07160ce5fe3e327c7c937ba
              • MD5 SHA1 SHA512 TLSH

              LocalPrefs.json~RFe5d6014.TMP

              • Path C:\Users\Admin\AppData\Local\cbservers\user\cef-data\cache\LocalPrefs.json~RFe5d6014.TMP
              • Size 508B
              • SHA256 09a7e39f84d30c153c73e9388b8f56ce43b754081ad913a26b7275467a7938a9
              • MD5 SHA1 SHA512 TLSH

              Network Persistent State

              • Path C:\Users\Admin\AppData\Local\cbservers\user\cef-data\cache\Network\Network Persistent State
              • Size 461B
              • SHA256 f970971ee1dec108b14eed3f2e9a59937a9edc96b57dd87489eafadaa504675f
              • MD5 SHA1 SHA512 TLSH

              Network Persistent State~RFe5d6dff.TMP

              • Path C:\Users\Admin\AppData\Local\cbservers\user\cef-data\cache\Network\Network Persistent State~RFe5d6dff.TMP
              • Size 59B
              • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
              • MD5 SHA1 SHA512 TLSH

              MANIFEST-000001

              • Path C:\Users\Admin\AppData\Local\cbservers\user\cef-data\cache\Session Storage\MANIFEST-000001
              • Size 41B
              • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
              • MD5 SHA1 SHA512

              properties.json

              • Path C:\Users\Admin\AppData\Local\cbservers\user\properties.json
              • Size 95B
              • SHA256 1bd1483aefdb80b0ffaffce351bf77027c02ffbb7e79009735406f8514b83771
              • MD5 SHA1 SHA512 TLSH

              memory/3252-556-0x0000017A64000000-0x0000017A65000000-memory.dmp

              memory/3536-6-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-7-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-8-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-2-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-9-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-10-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-11-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-12-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-0-0x000002287DED0000-0x000002287DED1000-memory.dmp

              memory/3536-1-0x000002287DED0000-0x000002287DED1000-memory.dmp