Analysis

  • max time kernel
    155s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2024, 02:23

General

  • Target
    b016187f2f4b23b676b6e7d21b2be6c1.exe
  • Size 1.3MB
  • Sample240301-ct5lmsae81
  • SHA256 1d07bf7984822e6421852a7ce61b765f344fd7cc7ac8597ef91a00bf4c55d8cb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • bunbeq17.top

  • morkix01.top

Attributes
  • payload_url

    http://tobdol01.top/download.php?file=lv.exe

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • CryptBot payload 5 IoCs
  • Executes dropped EXE 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b016187f2f4b23b676b6e7d21b2be6c1.exe
    "C:\Users\Admin\AppData\Local\Temp\b016187f2f4b23b676b6e7d21b2be6c1.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\SysWOW64\dllhost.exe
      dllhost.exe
      2⤵
        PID:384
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cmd < Bordatino.psd
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4740
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4308
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V /R "^LpicWyJDzDQufOqIaiJTJAZAXZcMhhYfBXZPdGltsOzNzaOiuSfRGDxllHnXKXdyFBEsPksLXECVikuEkhFxX$" Tua.psd
            4⤵
              PID:1676
            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sabbia.exe.com
              Sabbia.exe.com o
              4⤵
              • Executes dropped EXE
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              • Suspicious use of WriteProcessMemory
              PID:2316
              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sabbia.exe.com
                C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sabbia.exe.com o
                5⤵
                • Executes dropped EXE
                • Checks processor information in registry
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:4184
            • C:\Windows\SysWOW64\PING.EXE
              ping OAILVCNY -n 30
              4⤵
              • Runs ping.exe
              PID:4600
      • 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=3844 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:8

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              Bordatino.psd

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bordatino.psd
              • Size 485B
              • SHA256 34b41b4116053699aa36e4829705b325e123d195a6530d40b2bce642e079b760
              • MD5 SHA1 SHA512

              Immemore.psd

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Immemore.psd
              • Size 4.3MB
              • SHA256 90a8cf38ce78dd830a490894ce2aaed931299d4bbeb41cd23fd6a922ba34d9eb
              • MD5 SHA1 SHA512 SSDEEP

              Sabbia.exe.com

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sabbia.exe.com
              • Size 872KB
              • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
              • MD5 SHA1 SHA512 SSDEEP

              Tua.psd

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tua.psd
              • Size 872KB
              • SHA256 d425b44a402fcec3f436a92b3618b58491052b70bd2f8f1e93b35ed27bd2715d
              • MD5 SHA1 SHA512 SSDEEP

              _Information.txt

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\_Files\_Information.txt
              • Size 1KB
              • SHA256 53264dc34495456638af4d6b89ed6a17c4fd286641ae007c394bb9fefd881912
              • MD5 SHA1 SHA512

              _Information.txt

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\_Files\_Information.txt
              • Size 3KB
              • SHA256 6c3413e5714b956a637c23125deb710867cf13ab0eb319280ff940d790c5891b
              • MD5 SHA1 SHA512

              _Information.txt

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\_Files\_Information.txt
              • Size 3KB
              • SHA256 420376997e70a20e95b4a803c0c104df676dba546e4f7dced1fddd0e0dc6d7ea
              • MD5 SHA1 SHA512

              _Information.txt

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\_Files\_Information.txt
              • Size 4KB
              • SHA256 7e9010943b1c4d77d13a091d4f098ea2d2ce624429b9a75aea585e7a2de22d06
              • MD5 SHA1 SHA512 SSDEEP

              _Screen_Desktop.jpeg

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\_Files\_Screen_Desktop.jpeg
              • Size 43KB
              • SHA256 8edd2db4550a9be4fedf2af94c0f0b85d71e8924d6c4617326926072267cc47f
              • MD5 SHA1 SHA512 SSDEEP

              system_info.txt

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\files_\system_info.txt
              • Size 1KB
              • SHA256 48cc788a5940429b427940fb549549aaa19374dd5b7852ead5f1d808790f12ed
              • MD5 SHA1 SHA512

              system_info.txt

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\files_\system_info.txt
              • Size 3KB
              • SHA256 59ad30f9de0a727922eecd98acd085203d3ebd20550ee888506a56382ea8f971
              • MD5 SHA1 SHA512

              system_info.txt

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\files_\system_info.txt
              • Size 4KB
              • SHA256 7c34308c78e4d116455461712d291521276930c5047392cfbeebfc9b5d781877
              • MD5 SHA1 SHA512 SSDEEP

              mhU34ALdP1Xtb.zip

              • Path C:\Users\Admin\AppData\Local\Temp\QNK061znYM\mhU34ALdP1Xtb.zip
              • Size 37KB
              • SHA256 30e8cf37d558111b350bb5b7e6c39922bbf9c4a016122c8b5eef77baeeb8825c
              • MD5 SHA1 SHA512 SSDEEP

              memory/4184-20-0x0000000000480000-0x0000000000523000-memory.dmp

              memory/4184-25-0x0000000000480000-0x0000000000523000-memory.dmp

              memory/4184-24-0x0000000000480000-0x0000000000523000-memory.dmp

              memory/4184-23-0x0000000000480000-0x0000000000523000-memory.dmp

              memory/4184-22-0x0000000000480000-0x0000000000523000-memory.dmp

              memory/4184-21-0x0000000000480000-0x0000000000523000-memory.dmp

              memory/4184-232-0x0000000000480000-0x0000000000523000-memory.dmp

              memory/4184-19-0x0000000000480000-0x0000000000523000-memory.dmp