Analysis

  • max time kernel
    839s
  • max time network
    846s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 12:32

General

  • Target
    mal.vbs
  • Size 23KB
  • Sample240809-pqs5navbjc
  • SHA256 c5eaf4973b45ebcb1e10afc0f49d5b84c4d4214103c4b77a0263a6510f2d9ac0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • latentbot

C2
  • j46y565i34wru.zapto.org

Signatures

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 17 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 15 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 15 IoCs

    Password recovery tool for various web browsers

  • Blocklisted process makes network request 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 17 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\mal.vbs"
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\nn6qi26\j0286yhmbf7ai.exe
      "C:\nn6qi26\j0286yhmbf7ai.exe" j0286yhmbf7
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2456
      • \??\c:\windows\SysWOW64\attrib.exe
        "c:/windows/SysWOW64/attrib.exe"
        3⤵
        • Views/modifies file attributes
        PID:3384
      • \??\c:\windows\SysWOW64\attrib.exe
        "c:/windows/SysWOW64/attrib.exe"
        3⤵
        • Views/modifies file attributes
        PID:4180
      • \??\c:\windows\SysWOW64\attrib.exe
        "c:/windows/SysWOW64/attrib.exe"
        3⤵
        • Views/modifies file attributes
        PID:5088
      • \??\c:\windows\SysWOW64\attrib.exe
        "c:/windows/SysWOW64/attrib.exe"
        3⤵
        • Views/modifies file attributes
        PID:1780
      • \??\c:\windows\SysWOW64\attrib.exe
        "c:/windows/SysWOW64/attrib.exe"
        3⤵
        • Views/modifies file attributes
        PID:2380
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:/Windows/Microsoft.NET/Framework/v4.0.30319/RegSvcs.exe"
        3⤵
          PID:3000
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:/Windows/Microsoft.NET/Framework/v4.0.30319/RegSvcs.exe"
          3⤵
            PID:1888
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:/Windows/Microsoft.NET/Framework/v4.0.30319/RegSvcs.exe"
            3⤵
              PID:2020
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
              "C:/Windows/Microsoft.NET/Framework/v4.0.30319/RegSvcs.exe"
              3⤵
                PID:1812
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                "C:/Windows/Microsoft.NET/Framework/v4.0.30319/RegSvcs.exe"
                3⤵
                  PID:3620
                • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
                  "C:/Windows/Microsoft.NET/Framework/v2.0.50727/RegSvcs.exe"
                  3⤵
                  • Drops startup file
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of WriteProcessMemory
                  PID:3764
                  • \??\c:\windows\SysWOW64\attrib.exe
                    c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##1
                    4⤵
                    • Views/modifies file attributes
                    PID:4516
                  • \??\c:\windows\SysWOW64\attrib.exe
                    c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##1
                    4⤵
                    • Views/modifies file attributes
                    PID:1540
                  • \??\c:\windows\SysWOW64\attrib.exe
                    c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##1
                    4⤵
                    • Views/modifies file attributes
                    PID:536
                  • \??\c:\windows\SysWOW64\attrib.exe
                    c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##1
                    4⤵
                    • Views/modifies file attributes
                    PID:2388
                  • \??\c:\windows\SysWOW64\attrib.exe
                    c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##1
                    4⤵
                    • Views/modifies file attributes
                    PID:4756
                  • \??\c:\windows\SysWOW64\attrib.exe
                    c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##1
                    4⤵
                    • Views/modifies file attributes
                    PID:1872
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                    C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe j0286yhmbf7 ##1
                    4⤵
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    PID:772
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" /stext "WWy1"
                      5⤵
                        PID:2572
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" /stext "WWy1"
                        5⤵
                          PID:1312
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" /stext "WWy1"
                          5⤵
                          • Accesses Microsoft Outlook accounts
                          • System Location Discovery: System Language Discovery
                          PID:4112
                      • \??\c:\windows\SysWOW64\attrib.exe
                        c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##3
                        4⤵
                        • Views/modifies file attributes
                        PID:3912
                      • \??\c:\windows\SysWOW64\attrib.exe
                        c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##3
                        4⤵
                        • Views/modifies file attributes
                        PID:4528
                      • \??\c:\windows\SysWOW64\attrib.exe
                        c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##3
                        4⤵
                        • Views/modifies file attributes
                        PID:4672
                      • \??\c:\windows\SysWOW64\attrib.exe
                        c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##3
                        4⤵
                        • Views/modifies file attributes
                        PID:4760
                      • \??\c:\windows\SysWOW64\attrib.exe
                        c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##3
                        4⤵
                        • Views/modifies file attributes
                        PID:1044
                      • \??\c:\windows\SysWOW64\attrib.exe
                        c:\windows\SysWOW64\attrib.exe j0286yhmbf7 ##3
                        4⤵
                        • Views/modifies file attributes
                        PID:3580
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe j0286yhmbf7 ##3
                        4⤵
                        • Loads dropped DLL
                        • Suspicious use of SetThreadContext
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        PID:3132
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" /stext "WWy0"
                          5⤵
                          • System Location Discovery: System Language Discovery
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4660

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      R

                      • Path C:\Users\Public\R
                      • Size 142B
                      • SHA256 9256cf227cd04cf799d1622d7fcabc8d9a61095ddfcb19f0ba7577de589bbc80
                      • MD5 SHA1 SHA512

                      R_

                      • Path C:\Users\Public\R_
                      • Size 3KB
                      • SHA256 e14a3715207ba94862c13ea64d7d40ea96eb3f372289e52df7d390e5f112b1d8
                      • MD5 SHA1 SHA512

                      WWy0

                      • Path C:\nn6qi26\WWy0
                      • Size 4KB
                      • SHA256 0515f49138d74283f9ac1042fd1a384f715b74c2b99193454dbb0cd585097727
                      • MD5 SHA1 SHA512 SSDEEP

                      j0286yhmbf71.7fb

                      • Path C:\nn6qi26\j0286yhmbf71.7fb
                      • Size 6.4MB
                      • SHA256 77a7a093f93dd177213ca0cda1d8b88b3aecc24317a68a798bcb843462ac5a4a
                      • MD5 SHA1 SHA512 SSDEEP

                      j0286yhmbf74.zip

                      • Path C:\nn6qi26\j0286yhmbf74.zip
                      • Size 277KB
                      • SHA256 3fbfbd042455269a51fbf8b9d067b8b7f0a939fd7fcc7d16bff4282e898691fe
                      • MD5 SHA1 SHA512 SSDEEP

                      j0286yhmbf7a3.zip

                      • Path C:\nn6qi26\j0286yhmbf7a3.zip
                      • Size 475KB
                      • SHA256 9ecc9ae104e55639818b5fbc7b20c2360fdb38c590e976f9ee249375d8e08208
                      • MD5 SHA1 SHA512 SSDEEP

                      j0286yhmbf7ai.exe

                      • Path C:\nn6qi26\j0286yhmbf7ai.exe
                      • Size 925KB
                      • SHA256 98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b
                      • MD5 SHA1 SHA512 SSDEEP

                      j0286yhmbf7m1.zip

                      • Path C:\nn6qi26\j0286yhmbf7m1.zip
                      • Size 4.5MB
                      • SHA256 1d2d800a6f1cf902a5b62fc93ca26dd9e73e654c76a65e35a034e6c9e12fbc79
                      • MD5 SHA1 SHA512 SSDEEP

                      j0286yhmbf7

                      • Path \??\c:\nn6qi26\j0286yhmbf7
                      • Size 277KB
                      • SHA256 2eafe832a8d61339b1d552adea62cc54fcfbef6e62dda5e29c131c70aaacc379
                      • MD5 SHA1 SHA512 SSDEEP

                      libeay32.dll

                      • Path \??\c:\nn6qi26\libeay32.dll
                      • Size 1.3MB
                      • SHA256 007342c6b9b956f416f556b4bd6f1077e25bd077cc4f4ac136e3fccb803746e3
                      • MD5 SHA1 SHA512 SSDEEP

                      ssleay32.dll

                      • Path \??\c:\nn6qi26\ssleay32.dll
                      • Size 330KB
                      • SHA256 2d11228520402ef49443aadc5d0f02c9544a795a4afc89fb0434b3b81ebdd28c
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/772-117-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/772-129-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/772-124-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/772-118-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/772-123-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/772-121-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/772-120-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/772-146-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/772-116-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/2456-96-0x0000000010000000-0x000000001003A000-memory.dmp

                      memory/3132-162-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3132-157-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3132-156-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3132-147-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3764-104-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3764-103-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3764-102-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3764-101-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3764-115-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3764-163-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/3764-165-0x0000000000400000-0x0000000000A7A000-memory.dmp

                      memory/4112-145-0x0000000000400000-0x000000000041C000-memory.dmp

                      memory/4112-144-0x0000000000400000-0x000000000041C000-memory.dmp

                      memory/4660-148-0x0000000000400000-0x000000000047C000-memory.dmp

                      memory/4660-149-0x0000000000400000-0x000000000047C000-memory.dmp