Analysis

  • max time kernel
    159s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 13:05

General

  • Target
    ReimagePackage.exe
  • Size 12.3MB
  • Sample240418-qbhaaaea73
  • SHA256 4de22f65551da53a761b1e9049abfcfdeddb4f36dfd50503f4ac45a0e4f972a4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 34 IoCs
  • Drops file in Windows directory 4 IoCs
  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 64 IoCs
  • Registers COM server for autorun 1 TTPs 22 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 8 IoCs
  • Modifies data under HKEY_USERS 49 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ReimagePackage.exe
    "C:\Users\Admin\AppData\Local\Temp\ReimagePackage.exe"
    1⤵
    • Adds Run key to start application
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4256
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C tasklist /FI "IMAGENAME eq Reimage.exe" > C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist /FI "IMAGENAME eq Reimage.exe"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:3580
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C tasklist /FI "IMAGENAME eq avupdate.exe" > C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5036
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist /FI "IMAGENAME eq avupdate.exe"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:1588
    • C:\Program Files\Reimage\Reimage Repair\lzma.exe
      "C:\Program Files\Reimage\Reimage Repair\lzma.exe" "d" "C:\Program Files\Reimage\Reimage Repair\REI_Axcontrol.lza" "C:\Program Files\Reimage\Reimage Repair\REI_Axcontrol.dll"
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      PID:1868
    • C:\Program Files\Reimage\Reimage Repair\lzma.exe
      "C:\Program Files\Reimage\Reimage Repair\lzma.exe" "d" "C:\Program Files\Reimage\Reimage Repair\REI_Engine.lza" "C:\Program Files\Reimage\Reimage Repair\REI_Engine.dll"
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      PID:1116
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C tasklist /FI "IMAGENAME eq REI_avira.exe" > C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5012
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist /FI "IMAGENAME eq REI_avira.exe"
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:1736
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Program Files\Reimage\Reimage Repair\REI_Axcontrol.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:316
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files\Reimage\Reimage Repair\REI_Axcontrol.dll"
        3⤵
        • Loads dropped DLL
        • Registers COM server for autorun
        • Modifies registry class
        PID:3404
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s "C:\Program Files\Reimage\Reimage Repair\REI_Engine.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3900
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files\Reimage\Reimage Repair\REI_Engine.dll"
        3⤵
        • Loads dropped DLL
        PID:1148
    • C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\ProtectorUpdater.exe
      "C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\ProtectorUpdater.exe" /S /MinorSessionID=07307ee59dbc447c8ad59fd370 /SessionID=0 /TrackID= /AgentLogLocation=C:\rei\Results\Agent /CflLocation=C:\rei\cfl.rei /Install=True /DownloaderVersion=1956 /Iav=False
      2⤵
      • Drops file in Windows directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C tasklist /FI "IMAGENAME eq UniProtectorPackage.exe" > C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4484
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq UniProtectorPackage.exe"
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3488
      • C:\Users\Admin\AppData\Local\Temp\UniProtectorPackage.exe
        "C:\Users\Admin\AppData\Local\Temp\UniProtectorPackage.exe" /S /MinorSessionID=07307ee59dbc447c8ad59fd370 /SessionID=08449618-2811-47cc-b036-496d0e8e022f /Install=true /UpdateOnly=default /InstallPath= /Iav=False /SessionOk=true
        3⤵
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Windows\SysWOW64\cmd.exe
          cmd /C tasklist /FI "IMAGENAME eq ReiScanner.exe" > C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5100
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist /FI "IMAGENAME eq ReiScanner.exe"
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:1020
        • C:\Windows\SysWOW64\cmd.exe
          cmd /C tasklist /FI "IMAGENAME eq ReiProtectorM.exe" > C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1712
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist /FI "IMAGENAME eq ReiProtectorM.exe"
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4388
        • C:\Program Files\Reimage\Reimage Protector\ReiGuard.exe
          "C:\Program Files\Reimage\Reimage Protector\ReiGuard.exe" -install
          4⤵
          • Executes dropped EXE
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          PID:2252
    • C:\Windows\SysWOW64\cmd.exe
      cmd /C tasklist /FI "IMAGENAME eq ReiGuard.exe" > C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
      2⤵
        PID:680
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /FI "IMAGENAME eq ReiGuard.exe"
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4992
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C tasklist /FI "IMAGENAME eq ReimageApp.exe" > C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
        2⤵
          PID:2320
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist /FI "IMAGENAME eq ReimageApp.exe"
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4508
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Delete /TN ReimageUpdater /F
          2⤵
            PID:4352
          • C:\Program Files\Reimage\Reimage Protector\ReimageApp.exe
            "C:\Program Files\Reimage\Reimage Protector\ReimageApp.exe"
            2⤵
            • Executes dropped EXE
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            PID:316
          • C:\Windows\SYSTEM32\regsvr32.exe
            regsvr32 /s "C:\Windows\system32\jscript.dll"
            2⤵
            • Registers COM server for autorun
            • Modifies registry class
            PID:1384
          • C:\Program Files\Reimage\Reimage Repair\Reimage.exe
            "C:\Program Files\Reimage\Reimage Repair\Reimage.exe" /DEFAULT /Locale=1033
            2⤵
            • Executes dropped EXE
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:524
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:5036
          • C:\Program Files\Reimage\Reimage Protector\ReiGuard.exe
            "C:\Program Files\Reimage\Reimage Protector\ReiGuard.exe"
            1⤵
            • Enumerates connected drives
            • Drops file in System32 directory
            • Drops file in Windows directory
            • Executes dropped EXE
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3572
            • C:\Program Files\Reimage\Reimage Protector\ReiSystem.exe
              "C:\Program Files\Reimage\Reimage Protector\ReiSystem.exe"
              2⤵
              • Executes dropped EXE
              PID:60
            • C:\Program Files\Reimage\Reimage Protector\ReiSystem.exe
              commadnlinetogetexplorerhistory 3600 "C:\Users\Admin\AppData\Local\Temp\240776109_file.txt"
              2⤵
              • Executes dropped EXE
              PID:4724

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                ReimageApp.exe

                • Path C:\Program Files\Reimage\Reimage Protector\ReimageApp.exe
                • Size 261KB
                • SHA256 037a67a221096c076d162d5f0f3ad5720ed0d49308d041dea235c5785a557565
                • MD5 SHA1 SHA512 SSDEEP

                LZMA.EXE

                • Path C:\Program Files\Reimage\Reimage Repair\LZMA.EXE
                • Size 99KB
                • SHA256 871361690289c50c81a6e38c28914121adceab3ff0ba93d043f1cc4e59635955
                • MD5 SHA1 SHA512 SSDEEP

                REI_Axcontrol.dll

                • Path C:\Program Files\Reimage\Reimage Repair\REI_Axcontrol.dll
                • Size 517KB
                • SHA256 aa5d2d054b67847257926d95b8a8645799fb19d06a28473c8c18fdf4ad0b94d6
                • MD5 SHA1 SHA512 SSDEEP

                REI_Axcontrol.lza

                • Path C:\Program Files\Reimage\Reimage Repair\REI_Axcontrol.lza
                • Size 142KB
                • SHA256 92e59cf5a5f93b94011e2f1119ea9ab421177749fb7439e1017f6e37d4ec6ff0
                • MD5 SHA1 SHA512 SSDEEP

                REI_Engine.dll

                • Path C:\Program Files\Reimage\Reimage Repair\REI_Engine.dll
                • Size 11.4MB
                • SHA256 41218635867d1c1ec4ff045e29a908aa9e0006c760cbb057302b2fb92b295181
                • MD5 SHA1 SHA512 SSDEEP

                REI_Engine.lza

                • Path C:\Program Files\Reimage\Reimage Repair\REI_Engine.lza
                • Size 3.7MB
                • SHA256 f3f76537f7a71cc15458c527b56724a9c508c817fae6cb5b70005ef2d17b99ec
                • MD5 SHA1 SHA512 SSDEEP

                Reimage.exe

                • Path C:\Program Files\Reimage\Reimage Repair\Reimage.exe
                • Size 7.0MB
                • SHA256 a42f5b0735c4e6dec3832ef8cc7c76884cc086e7323a2d03728f261936beb325
                • MD5 SHA1 SHA512 SSDEEP

                ReimageRepair.exe

                • Path C:\Program Files\Reimage\Reimage Repair\ReimageRepair.exe
                • Size 572KB
                • SHA256 4efd1bc1bdc12da1bbdc597cf3f37f0c65e582f42e353cf781ac1fe422dfa68c
                • MD5 SHA1 SHA512 SSDEEP

                events4mem[1].htm

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BHC2O5WS\events4mem[1].htm
                • Size 2B
                • SHA256 2689367b205c16ce32ed4200942b8b8b1e262dfc70d9bc9fbc77c49699a4f1df
                • MD5 SHA1 SHA512

                IsProcessActive.txt

                • Path C:\Users\Admin\AppData\Local\Temp\IsProcessActive.txt
                • Size 64B
                • SHA256 943b315e065238b7073b033f534ef954b6b6461fb3f03a3f5b8555b11bc4c0a2
                • MD5 SHA1 SHA512

                UniProtectorPackage.exe

                • Path C:\Users\Admin\AppData\Local\Temp\UniProtectorPackage.exe
                • Size 6.0MB
                • SHA256 99ebcdeab3f755f402bce0d8b59a736056b64e0db96d486466735d23ec856b86
                • MD5 SHA1 SHA512 SSDEEP

                cfl.rei

                • Path C:\Users\Admin\AppData\Local\Temp\cfl.rei
                • Size 971KB
                • SHA256 5805c8a496c13e9085f624a9c4f20188587d7b13d9c3e5f79f0f78367df74cf5
                • MD5 SHA1 SHA512 SSDEEP

                downloader_version.xml

                • Path C:\Users\Admin\AppData\Local\Temp\downloader_version.xml
                • Size 2KB
                • SHA256 0e303a2be594711cd28768e44d98edbeabe110acce0f4c76da4c842d1db55686
                • MD5 SHA1 SHA512

                DcryptDll.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\DcryptDll.dll
                • Size 156KB
                • SHA256 b4b5772a893e56aa5382aa3f0fef7837fa471e3b3e46db70b8bc702f2037e589
                • MD5 SHA1 SHA512 SSDEEP

                LogEx.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\LogEx.dll
                • Size 44KB
                • SHA256 57ede354532937e38c4ae9da3710ee295705ea9770c402dfb3a5c56a32fd4314
                • MD5 SHA1 SHA512 SSDEEP

                ProtectorUpdater.exe

                • Path C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\ProtectorUpdater.exe
                • Size 371KB
                • SHA256 1ba53128ef67d7e355b2e44c90c4bfe3dddff4546ad4e9c75e249d4850250361
                • MD5 SHA1 SHA512 SSDEEP

                System.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\System.dll
                • Size 11KB
                • SHA256 7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af
                • MD5 SHA1 SHA512 SSDEEP

                inetc.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\inetc.dll
                • Size 31KB
                • SHA256 9c52c74b8e115db0bde90f56382ebcc12aff05eb2232f80a4701e957e09635e2
                • MD5 SHA1 SHA512 SSDEEP

                nsExec.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\nsExec.dll
                • Size 6KB
                • SHA256 d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2
                • MD5 SHA1 SHA512 SSDEEP

                stack.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\stack.dll
                • Size 10KB
                • SHA256 732164fb36f46dd23dafb6d7621531e70f1f81e2967b3053727ec7b5492d0ae9
                • MD5 SHA1 SHA512 SSDEEP

                xml.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsq3A66.tmp\xml.dll
                • Size 182KB
                • SHA256 d1aaacc0aaf477b6b9f084697adcb444fc2333b32e8d99d224dca89516e762a7
                • MD5 SHA1 SHA512 SSDEEP

                SimpleSC.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nsrC793.tmp\SimpleSC.dll
                • Size 39KB
                • SHA256 3d7a8cf88fbed3417ff7bf998188f830c2f52da4e9a36da3edb438310ad1b1cd
                • MD5 SHA1 SHA512 SSDEEP

                AccessControl.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nstA5C2.tmp\AccessControl.dll
                • Size 8KB
                • SHA256 ccc6aaf1071d9077475b574d9bf1fc23de40a06547fc90cf4255a44d3bf631ac
                • MD5 SHA1 SHA512 SSDEEP

                UserInfo.dll

                • Path C:\Users\Admin\AppData\Local\Temp\nstA5C2.tmp\UserInfo.dll
                • Size 4KB
                • SHA256 6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae
                • MD5 SHA1 SHA512

                Reimage.ini

                • Path C:\Windows\Reimage.ini
                • Size 64B
                • SHA256 f873527ad7fa12a2d276cc6953c0755e4d3e976567a4252093c1fe3ad401955f
                • MD5 SHA1 SHA512

                Reimage.ini

                • Path C:\Windows\Reimage.ini
                • Size 99B
                • SHA256 786db4fab30e3c0755f55cde91317138ac8e24cda72fa929c10b37a3903a072d
                • MD5 SHA1 SHA512

                Local State

                • Path C:\Windows\Temp\Local State
                • Size 128KB
                • SHA256 06e262e39414d59267e5e1116442365b69e81cce82d89727c3a22b1593254c7b
                • MD5 SHA1 SHA512 SSDEEP

                Secure Preferences

                • Path C:\Windows\Temp\Secure Preferences
                • Size 10KB
                • SHA256 08d6ca9f2c24148cf9fbb1abfef439d27645df5db34b52913ce9f4723cce60d0
                • MD5 SHA1 SHA512 SSDEEP

                memory/524-586-0x0000019CA2820000-0x0000019CA3E97000-memory.dmp

                memory/524-515-0x0000019CA2820000-0x0000019CA3E97000-memory.dmp

                memory/524-517-0x0000019CA2820000-0x0000019CA3E97000-memory.dmp

                memory/524-587-0x0000019CA2820000-0x0000019CA3E97000-memory.dmp

                memory/524-516-0x0000019CA2820000-0x0000019CA3E97000-memory.dmp

                memory/524-588-0x0000019CA2820000-0x0000019CA3E97000-memory.dmp

                memory/524-514-0x0000019CA2820000-0x0000019CA3E97000-memory.dmp

                memory/548-341-0x00000000025E0000-0x00000000025EB000-memory.dmp

                memory/1708-216-0x0000000002A00000-0x0000000002A0B000-memory.dmp

                memory/1708-326-0x0000000073940000-0x000000007394B000-memory.dmp

                memory/1708-196-0x0000000073940000-0x000000007394B000-memory.dmp

                memory/4256-447-0x0000000000E70000-0x0000000000E7B000-memory.dmp

                memory/4256-430-0x00000000009A0000-0x00000000009AB000-memory.dmp

                memory/4256-411-0x0000000000980000-0x000000000098B000-memory.dmp

                memory/4256-137-0x00000000051D0000-0x00000000051DB000-memory.dmp

                memory/4256-40-0x00000000050B0000-0x00000000050BB000-memory.dmp