Analysis

  • max time kernel
    143s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    01/05/2022, 23:44

General

  • Target
    a2b6b39830f2f48c9d4fd744160cf1a13a50b72a7ed4bf68f539dd0315418ac8.exe
  • Size 3.4MB
  • Sample220501-3rmadsbdbl
  • SHA256 a2b6b39830f2f48c9d4fd744160cf1a13a50b72a7ed4bf68f539dd0315418ac8
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Qulab Stealer & Clipper

    Infostealer and clipper created with AutoIt.

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Sets file to hidden 1 TTPs

    Modifies file attributes to stop it showing in Explorer etc.

  • UPX packed file 4 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2b6b39830f2f48c9d4fd744160cf1a13a50b72a7ed4bf68f539dd0315418ac8.exe
    "C:\Users\Admin\AppData\Local\Temp\a2b6b39830f2f48c9d4fd744160cf1a13a50b72a7ed4bf68f539dd0315418ac8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\a2b6b39830f2f48c9d4fd744160cf1a13a50b72a7ed4bf68f539dd0315418ac8.exe
      "C:\Users\Admin\AppData\Local\Temp\a2b6b39830f2f48c9d4fd744160cf1a13a50b72a7ed4bf68f539dd0315418ac8.exe"
      2⤵
      • NTFS ADS
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4848
      • C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.exe
        C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2216
        • C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.exe
          "C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.exe"
          4⤵
          • Loads dropped DLL
          • NTFS ADS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4404
          • C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.module.exe
            C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.module.exe a -y -mx9 -ssw "C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ENU_688FE972402C836E9D41.7z" "C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\*"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:5040
          • C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.exe
            C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.exe
            5⤵
              PID:2704
            • C:\Windows\SysWOW64\attrib.exe
              attrib +s +h "C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith"
              5⤵
              • Views/modifies file attributes
              PID:3456
            • C:\Windows\SysWOW64\attrib.exe
              attrib +s +h "C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith"
              5⤵
              • Views/modifies file attributes
              PID:2676
    • C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.exe
      C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.exe
      1⤵
        PID:2872

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            Storprop.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Storprop.exe.log
            • Size 1KB
            • SHA256 48178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8
            • MD5 SHA1 SHA512

            Are.docx

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Desktop TXT Files\ts\Are.docx
            • Size 11KB
            • SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
            • MD5 SHA1 SHA512 SSDEEP

            CompareBackup.txt

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Desktop TXT Files\ts\CompareBackup.txt
            • Size 676KB
            • SHA256 c651ca47756f82cca0b1fdeaf452d753a710eb090ab565782c65aa101051476d
            • MD5 SHA1 SHA512 SSDEEP

            Files.docx

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Desktop TXT Files\ts\Files.docx
            • Size 11KB
            • SHA256 714cd32f8edacb3befbfc4b17db5b6eb05c2c8936e3bae14ea25a6050d88ae42
            • MD5 SHA1 SHA512 SSDEEP

            Opened.docx

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Desktop TXT Files\ts\Opened.docx
            • Size 11KB
            • SHA256 272ed278e82c84cf4f80f48ec7989e1fc35f2055d6d05b63c8a31880846597a6
            • MD5 SHA1 SHA512 SSDEEP

            Recently.docx

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Desktop TXT Files\ts\Recently.docx
            • Size 11KB
            • SHA256 07db44a8d6c3a512b15f1cb7262a2d7e4b63ced2130bc9228515431699191cc7
            • MD5 SHA1 SHA512 SSDEEP

            RemoveInstall.xlsx

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Desktop TXT Files\ts\RemoveInstall.xlsx
            • Size 1.2MB
            • SHA256 990af4bc05a06d00ff27c302dcdd2aaeede6877fe6834915bd7110b0b73739e2
            • MD5 SHA1 SHA512 SSDEEP

            SaveShow.txt

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Desktop TXT Files\ts\SaveShow.txt
            • Size 780KB
            • SHA256 c185c71b02c65d8da7a4fb152929ae0901dbbc2ecd20bbaed562c0d584b66153
            • MD5 SHA1 SHA512 SSDEEP

            These.docx

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Desktop TXT Files\ts\These.docx
            • Size 11KB
            • SHA256 57e3b0d22fa619da90237d8bcf8f922b142c9f6abf47efc5a1f5b208c4d3f023
            • MD5 SHA1 SHA512 SSDEEP

            Information.txt

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Information.txt
            • Size 3KB
            • SHA256 87ca65510cab4eb3e874587b96532b866c5b78ebffa09ebfb268a10b061c3bb3
            • MD5 SHA1 SHA512

            Screen.jpg

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\ABC\Screen.jpg
            • Size 49KB
            • SHA256 4dba8122686d8d3ba883b50ae991917abd5a285f4976dc19c26ad3a57e96c5fc
            • MD5 SHA1 SHA512 SSDEEP

            Storprop.module.exe

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.module.exe
            • Size 197KB
            • SHA256 23ca34a7d22fdb7d36014928c089c982cdfb903e9143aea60d38f228c9594beb
            • MD5 SHA1 SHA512 SSDEEP

            Storprop.module.exe

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.module.exe
            • Size 197KB
            • SHA256 23ca34a7d22fdb7d36014928c089c982cdfb903e9143aea60d38f228c9594beb
            • MD5 SHA1 SHA512 SSDEEP

            Storprop.sqlite3.module.dll

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.sqlite3.module.dll
            • Size 360KB
            • SHA256 4f93f3543139febb91e0c95dc9351008e9147a484732ee5962c7df64f6868028
            • MD5 SHA1 SHA512 SSDEEP

            Storprop.sqlite3.module.dll

            • Path C:\Users\Admin\AppData\Roaming\amd64_microsoft-windows-openwith\Storprop.sqlite3.module.dll
            • Size 360KB
            • SHA256 4f93f3543139febb91e0c95dc9351008e9147a484732ee5962c7df64f6868028
            • MD5 SHA1 SHA512 SSDEEP

            memory/2288-131-0x0000000005320000-0x00000000058C4000-memory.dmp

            memory/2288-132-0x0000000004E10000-0x0000000004EA2000-memory.dmp

            memory/2288-133-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

            memory/2288-130-0x0000000000080000-0x00000000003E4000-memory.dmp

            memory/4404-144-0x0000000000400000-0x000000000077E000-memory.dmp

            memory/4404-142-0x0000000000400000-0x000000000077E000-memory.dmp

            memory/4404-143-0x0000000000400000-0x000000000077E000-memory.dmp

            memory/4848-138-0x0000000000400000-0x000000000077E000-memory.dmp

            memory/4848-137-0x0000000000400000-0x000000000077E000-memory.dmp

            memory/4848-136-0x0000000000400000-0x000000000077E000-memory.dmp

            memory/4848-135-0x0000000000400000-0x000000000077E000-memory.dmp