Analysis

  • max time kernel
    134s
  • max time network
    298s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/05/2024, 22:45

General

  • Target
    927c5f2c729689b6639e5ce9b394ad1fa9f061c897d9652783bf3231936ef49a.exe
  • Size 718KB
  • Sample240505-2pwwdabd43
  • SHA256 927c5f2c729689b6639e5ce9b394ad1fa9f061c897d9652783bf3231936ef49a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub3

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3324
      • C:\Users\Admin\AppData\Local\Temp\927c5f2c729689b6639e5ce9b394ad1fa9f061c897d9652783bf3231936ef49a.exe
        "C:\Users\Admin\AppData\Local\Temp\927c5f2c729689b6639e5ce9b394ad1fa9f061c897d9652783bf3231936ef49a.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:512
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k move Castle Castle.cmd & Castle.cmd & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:724
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:2480
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "wrsa.exe opssvc.exe"
            4⤵
              PID:3984
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:864
            • C:\Windows\SysWOW64\findstr.exe
              findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
              4⤵
                PID:1768
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c md 338153
                4⤵
                  PID:3384
                • C:\Windows\SysWOW64\findstr.exe
                  findstr /V "KinaseWowSenatorsOptions" Team
                  4⤵
                    PID:4220
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c copy /b Political + Answers + Coaches + Riverside 338153\w
                    4⤵
                      PID:1556
                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\338153\Psychiatry.pif
                      338153\Psychiatry.pif 338153\w
                      4⤵
                      • Suspicious use of NtCreateUserProcessOtherParentProcess
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SendNotifyMessage
                      • Suspicious use of WriteProcessMemory
                      PID:3928
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 5 127.0.0.1
                      4⤵
                      • Runs ping.exe
                      PID:796
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\338153\Psychiatry.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\338153\Psychiatry.pif
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  PID:3108

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Psychiatry.pif

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\338153\Psychiatry.pif
                    • Size 925KB
                    • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
                    • MD5 SHA1 SHA512 SSDEEP

                    w

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\338153\w
                    • Size 222KB
                    • SHA256 ffb7c2c53d3efc10d6ea0f17acd7350e65fc4ad92e1248f8b143e429a374af69
                    • MD5 SHA1 SHA512 SSDEEP

                    Alphabetical

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Alphabetical
                    • Size 47KB
                    • SHA256 afacabfce0589067d83f04b89a79752fd3a113af2e3055439201f0c6c14f42ea
                    • MD5 SHA1 SHA512 SSDEEP

                    Answers

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Answers
                    • Size 41KB
                    • SHA256 a848638a0d08248edafaea345d6f47e82aed72af93f6203cf3e12575715ee23e
                    • MD5 SHA1 SHA512 SSDEEP

                    Canyon

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Canyon
                    • Size 11KB
                    • SHA256 659f5f26078b7ab3cba01ec73e53d5846e7fdc8c3789b623febe3bfab10937e2
                    • MD5 SHA1 SHA512 SSDEEP

                    Castle

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Castle
                    • Size 27KB
                    • SHA256 16458a1758493ee167b5ce1a06e28f3286c70d49c69cd5c714b5fb0dce0dd472
                    • MD5 SHA1 SHA512 SSDEEP

                    Characters

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Characters
                    • Size 62KB
                    • SHA256 9387626cbe9e8d039cec00b531a0f471b80a4c65866c872ccb40bdb4f259056b
                    • MD5 SHA1 SHA512 SSDEEP

                    Coaches

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Coaches
                    • Size 63KB
                    • SHA256 d22c418cd308b1dedc9e3c8f38c7c6b31ab73416200de3e090e2fe8d3b516f4e
                    • MD5 SHA1 SHA512 SSDEEP

                    Colleges

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Colleges
                    • Size 68KB
                    • SHA256 054e4075b1e630bc9410a5f6c43a91aa04a3116f7cfc21aa2edf7bbe972f2c70
                    • MD5 SHA1 SHA512 SSDEEP

                    Conclusion

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Conclusion
                    • Size 67KB
                    • SHA256 e50e7272095ba6a553128cd4809c52f2f1a97ded0788293059b6e71c1d2900f3
                    • MD5 SHA1 SHA512 SSDEEP

                    Decrease

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Decrease
                    • Size 38KB
                    • SHA256 f3087f6738f7f2178bc77dbcdd2f07374453b776f04d4a90279f9a1322dc3bf5
                    • MD5 SHA1 SHA512 SSDEEP

                    Indeed

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Indeed
                    • Size 27KB
                    • SHA256 e460f083d1c66ea881d5e47fd93a044fd5537688bb67fd5b45811c202a817b02
                    • MD5 SHA1 SHA512 SSDEEP

                    Job

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Job
                    • Size 59KB
                    • SHA256 856c20e266840948898ac1cae9a2478e4e4e09342a2e097d0a2993ea4f1988b3
                    • MD5 SHA1 SHA512 SSDEEP

                    Kits

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Kits
                    • Size 45KB
                    • SHA256 5f97321028994eed032d384e4b21f6f860fa4c96973b1b3690330a2c4115184d
                    • MD5 SHA1 SHA512 SSDEEP

                    Lions

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Lions
                    • Size 40KB
                    • SHA256 7ade523b7cff3c504de990e6db761a9330d69676d4bfbfa3790c0756b813ebe2
                    • MD5 SHA1 SHA512 SSDEEP

                    Loading

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Loading
                    • Size 24KB
                    • SHA256 390386a0781d03c0117c500a70df374901d3ab4aa65e7fa5fef41b3c64096931
                    • MD5 SHA1 SHA512 SSDEEP

                    Measurements

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Measurements
                    • Size 50KB
                    • SHA256 fe65ff9611a94a40103fc402e69fedeb2a4ff5397fea2150c166a8a4328594ba
                    • MD5 SHA1 SHA512 SSDEEP

                    Moments

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Moments
                    • Size 39KB
                    • SHA256 7d86706b476aaa53df20bb90170e73de6cc88e8798d91e15bb19b1dde8bfdd5b
                    • MD5 SHA1 SHA512 SSDEEP

                    Org

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Org
                    • Size 38KB
                    • SHA256 55ad4c3bdc875fbbae115e253e80495c45071b369d0948307228a9b226fb93f6
                    • MD5 SHA1 SHA512 SSDEEP

                    Political

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Political
                    • Size 89KB
                    • SHA256 d7c99f5c43d4838d7ac8d3a0312d3ff967646f80bc746172299c20474d20eab9
                    • MD5 SHA1 SHA512 SSDEEP

                    Reason

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Reason
                    • Size 14KB
                    • SHA256 3eec142f1a96c76cd63ac3c364539342c73f89242b1f424e612f92fc3e265eb5
                    • MD5 SHA1 SHA512 SSDEEP

                    Refund

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Refund
                    • Size 55KB
                    • SHA256 ac54d9f57e99be9d3833a2c02815db81ef00c2ac38c2e531f14f4af0dda2859a
                    • MD5 SHA1 SHA512 SSDEEP

                    Riverside

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Riverside
                    • Size 29KB
                    • SHA256 50615559b5a93aef5b17389320f4af3196e9334085e410e87a7695ecf9b73ceb
                    • MD5 SHA1 SHA512 SSDEEP

                    Speeches

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Speeches
                    • Size 9KB
                    • SHA256 1ca3df66cc4247924eebd38593651c31ccf59705838d969c307e9fbe367a930c
                    • MD5 SHA1 SHA512 SSDEEP

                    Tables

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Tables
                    • Size 42KB
                    • SHA256 7e81aec1869afc57fbc25b856fcb376e72cfe0b86a3f23d87e19f01a67a4c949
                    • MD5 SHA1 SHA512 SSDEEP

                    Team

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Team
                    • Size 161B
                    • SHA256 2d7977f0a2b8c60a3ce09e9b8f6fbb7aa1ac1dad51aa94b375c5a4fce615220d
                    • MD5 SHA1 SHA512

                    Technology

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Technology
                    • Size 31KB
                    • SHA256 3964572baeb4d3f1765a93f7d27809e89cce71db0a83d52ddbcb8e073b040d87
                    • MD5 SHA1 SHA512 SSDEEP

                    Ten

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ten
                    • Size 12KB
                    • SHA256 30c1c46777413c42caedb50a725818cb0cfff4578f31a3e505cf55c70feadd97
                    • MD5 SHA1 SHA512 SSDEEP

                    Therapist

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Therapist
                    • Size 21KB
                    • SHA256 c3283f79a317e91cda6361a6be94a39d102b41a585d6838e4106795ca24fc1d7
                    • MD5 SHA1 SHA512 SSDEEP

                    Traveling

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Traveling
                    • Size 19KB
                    • SHA256 ead4a60b84a4e33edc960cd3316c3495a5df4dcb0c64b6fd69f1813043abc20d
                    • MD5 SHA1 SHA512 SSDEEP

                    Ts

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ts
                    • Size 42KB
                    • SHA256 b12350b7e8bf6f3314484f3e61f1cfa1b577497c5162fe693c41efc9f30f8de0
                    • MD5 SHA1 SHA512 SSDEEP

                    Von

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Von
                    • Size 64KB
                    • SHA256 46bb486daa941bbdb8d7869909a9ce39e2d5c4dcf241ab369b2d94d3b547bd62
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/3108-78-0x0000000000400000-0x000000000040B000-memory.dmp

                    memory/3108-79-0x0000000000400000-0x000000000040B000-memory.dmp