Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 09:54

General

  • Target

    cc5f1e5ef2d6e4248d67afcbd116a6bf_JaffaCakes118.exe

  • Size

    964KB

  • MD5

    cc5f1e5ef2d6e4248d67afcbd116a6bf

  • SHA1

    911e7c76c4313782e657ac7da875c30d72ee4c10

  • SHA256

    1b53eaa16ac6641e86a2788a36492d11eafe4713e9093ecfc915ece3520440e1

  • SHA512

    f58dd447d8a47e51e20898aba1db66711e6e96eb6e0aad97e6b4ade9fd1441096166c47c765124795ec5662735a090312ab9e6e720f99951fd04de56454b5695

  • SSDEEP

    24576:+jfEg1rhcZ4zaoanHpcR25cNcUrWnUafkJbSgjEHArn:+jfECrhw4zgck56cUin1famgjEHM

Malware Config

Signatures

  • CryptBot

    CryptBot is a C++ stealer distributed widely in bundle with other software.

  • Cryptbot family
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 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).

  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc5f1e5ef2d6e4248d67afcbd116a6bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cc5f1e5ef2d6e4248d67afcbd116a6bf_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Windows\SysWOW64\dllhost.exe
      dllhost.exe
      2⤵
        PID:1960
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cmd < Tornare.vst
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3400
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4436
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V /R "^wjUhOMsarKOaotchUylODqemzoOcJuGkpaXuydplPdnUbAjekhuYumbwpxUFXVIXrCoQufoDWZZhBoeSW$" Tenerezza.vst
            4⤵
            • System Location Discovery: System Language Discovery
            PID:5060
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nuca.exe.com
            Nuca.exe.com v
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:4408
            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nuca.exe.com
              C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nuca.exe.com v
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Checks processor information in registry
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              PID:3280
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1
            4⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:1080

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Mani.vst

      Filesize

      1.1MB

      MD5

      0835edade38808757b7e24299676f501

      SHA1

      f5eae27723506abb2d0e45fade78cefc5a7b8f27

      SHA256

      77f1954308ce2fa1243e8598fa72a2fa21eef0dca16cbe6f805b8ef92ec8fb31

      SHA512

      b7b6f9fdfa0920a4555407b88a1b6aab9c8441c67af94643cc52ff21a5fcfd061207678a5faf2b11cf5ba94ce64680470a0bb4ad9917a7dd6465b78f43149ffa

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Nuca.exe.com

      Filesize

      872KB

      MD5

      c56b5f0201a3b3de53e561fe76912bfd

      SHA1

      2a4062e10a5de813f5688221dbeb3f3ff33eb417

      SHA256

      237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

      SHA512

      195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tenerezza.vst

      Filesize

      872KB

      MD5

      843351b501e85d27890c499f6a996356

      SHA1

      d2ebdcf97439eb8778cb9ae5eb3a1d03f0d2f04c

      SHA256

      ea7e68ff7d3d2f468379094e10f10a5600655a8c0d515476c36546b89ebc5308

      SHA512

      8b9f7af64adeaf92b698d4a32d720f4ba8e5690b3b8c6aef07fd3bfc58a2c34c9f1944709c416e4f54dcea181e72ed60a0d2cefbc3ddc636e9d45da9c9ebcd4a

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Tornare.vst

      Filesize

      432B

      MD5

      4d7edf988ed7da68191339f0e3b0aa76

      SHA1

      5e74b02b0c6889ea08d81ca2e6391a1ee778b0c1

      SHA256

      7a6b9e5716530c8f9eecb98172185fbc4ce8a1a82225a91b2fa50cd70919cae0

      SHA512

      e3164efd9dca85f05f04d72e7ca6390c7452f34455ff9242919cdc960e86dc8b4dfb87ab0878c79649874f479a18e05922141ac57c31949b8788ba2e4bbc5437

    • C:\Users\Admin\AppData\Local\Temp\KqRbAZOFesgS\_Files\_Information.txt

      Filesize

      7KB

      MD5

      850c97c23c36eaf68209b9080f13208f

      SHA1

      cce3608dbb77d29e68eb2d1c4564219e9c4f9a3d

      SHA256

      ee5402d84f3d8ab0b64af5a63dfdd6733587dd05ea78510bb7100f275b97e436

      SHA512

      928c9c0361b6aca02184a04879acc65c8a292c94365443e3482aca906ef4e888fcd31f5241775c5f87c98dfaeec32b1b5630ea56d2a421684f8e715792a19275

    • C:\Users\Admin\AppData\Local\Temp\KqRbAZOFesgS\_Files\_Screen_Desktop.jpeg

      Filesize

      53KB

      MD5

      5c1a8bdeb319b3824599a34b17ea3e99

      SHA1

      dcd03cac0b9528b16566a7769bf8197b1009f385

      SHA256

      37da2a6f78c1ed65d632d02cc5f707052d78bb8f99197475a036880f80162c9f

      SHA512

      14fc2048e5e9578ce24ba1113c8a2c4406859564411df4e998656e2cf05bb0124a1f2e6d1ac87984a379cc5a199fd1d8747c704431c181e934263c7e6383c443

    • C:\Users\Admin\AppData\Local\Temp\KqRbAZOFesgS\rnwheIvQtpJy.zip

      Filesize

      47KB

      MD5

      79d56c44e8cb30a39bfee5f959062a61

      SHA1

      78f0bf8ac204864b8ff202195d3ae5bba32fff9f

      SHA256

      c04b20f46394932467ed0a00203937fc8563d0ff1b1a67afbf16344d67aa42c0

      SHA512

      44546e0631b166a675f085c9eb52714a5cbac596bdaa261bc317a90ad29692e6d87539e0245fcb6d97630994fbdb103032bb25448f2c72b38677552cf58afecd

    • memory/3280-21-0x00000000046A0000-0x00000000046E9000-memory.dmp

      Filesize

      292KB

    • memory/3280-23-0x00000000046A0000-0x00000000046E9000-memory.dmp

      Filesize

      292KB

    • memory/3280-24-0x00000000046A0000-0x00000000046E9000-memory.dmp

      Filesize

      292KB

    • memory/3280-22-0x00000000046A0000-0x00000000046E9000-memory.dmp

      Filesize

      292KB

    • memory/3280-20-0x00000000046A0000-0x00000000046E9000-memory.dmp

      Filesize

      292KB

    • memory/3280-19-0x00000000046A0000-0x00000000046E9000-memory.dmp

      Filesize

      292KB