Analysis

  • max time kernel
    265s
  • max time network
    299s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07/05/2024, 22:29

General

  • Target
    1bde783efbb5f9dcc60adf9ffa5852906d5211a4d8e644bd31e5fe27e0844131.exe
  • Size 700KB
  • Sample240507-2ecprabd8w
  • SHA256 1bde783efbb5f9dcc60adf9ffa5852906d5211a4d8e644bd31e5fe27e0844131
  • 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:3260
      • C:\Users\Admin\AppData\Local\Temp\1bde783efbb5f9dcc60adf9ffa5852906d5211a4d8e644bd31e5fe27e0844131.exe
        "C:\Users\Admin\AppData\Local\Temp\1bde783efbb5f9dcc60adf9ffa5852906d5211a4d8e644bd31e5fe27e0844131.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4676
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k move Categories Categories.cmd & Categories.cmd & exit
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3580
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4104
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "wrsa.exe opssvc.exe"
            4⤵
              PID:308
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              4⤵
              • Enumerates processes with tasklist
              • Suspicious use of AdjustPrivilegeToken
              PID:4128
            • C:\Windows\SysWOW64\findstr.exe
              findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
              4⤵
                PID:2820
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c md 4457864
                4⤵
                  PID:4276
                • C:\Windows\SysWOW64\findstr.exe
                  findstr /V "QueryOurselvesAttitudesGoat" Season
                  4⤵
                    PID:360
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c copy /b Trigger + Edge + Televisions 4457864\f
                    4⤵
                      PID:3820
                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\4457864\Hanging.pif
                      4457864\Hanging.pif 4457864\f
                      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:2928
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 5 127.0.0.1
                      4⤵
                      • Runs ping.exe
                      PID:4412
                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\4457864\Hanging.pif
                  C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\4457864\Hanging.pif
                  2⤵
                  • Executes dropped EXE
                  • Checks SCSI registry key(s)
                  PID:1864

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Hanging.pif

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\4457864\Hanging.pif
                    • Size 925KB
                    • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
                    • MD5 SHA1 SHA512 SSDEEP

                    f

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\4457864\f
                    • Size 201KB
                    • SHA256 6ab430f14af053ee036b46626925664c3b768fe74fbceebe7d053f6ff7a535ec
                    • MD5 SHA1 SHA512 SSDEEP

                    Ala

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Ala
                    • Size 37KB
                    • SHA256 06f750979faf32db09ef09894493321e95b75b33a8cdc206acd631a7fe72ad39
                    • MD5 SHA1 SHA512 SSDEEP

                    Apr

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Apr
                    • Size 36KB
                    • SHA256 c0e3f798d5b7f8302f3801053b9e1551167f13aad626dcd539eb62b62087e770
                    • MD5 SHA1 SHA512 SSDEEP

                    Avoid

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Avoid
                    • Size 25KB
                    • SHA256 e6908b85ceb0ce72b8352dff6edb86a6bd6c505926034525680071809f564654
                    • MD5 SHA1 SHA512 SSDEEP

                    Baby

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Baby
                    • Size 30KB
                    • SHA256 ec6ef1cbc42de3f0e1c10eb2ca5343da2f59429106afd7780b0bd70a4292bb43
                    • MD5 SHA1 SHA512 SSDEEP

                    Bennett

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Bennett
                    • Size 24KB
                    • SHA256 54a476ab611e19a36152fb2eaf1e63565ec0e9308f317d76d022e755f909a08a
                    • MD5 SHA1 SHA512 SSDEEP

                    Beverly

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Beverly
                    • Size 23KB
                    • SHA256 8286c835ed651fed0335bbb02706a5eb19d119396778d0c8477d30fcc448dc61
                    • MD5 SHA1 SHA512 SSDEEP

                    Categories

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Categories
                    • Size 25KB
                    • SHA256 06736ed3774c4fcaa06f2c9bdc3e564c548157740de5761ade036e1c4f287ece
                    • MD5 SHA1 SHA512 SSDEEP

                    Collected

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Collected
                    • Size 20KB
                    • SHA256 eef0f04d72568acb580056e245cf85c285264975f7d4f2145b7b9574c5579f9a
                    • MD5 SHA1 SHA512 SSDEEP

                    Concerning

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Concerning
                    • Size 10KB
                    • SHA256 479e7dc496e163fd5a7d2f009e0336eebadf5d1cbd8d8a1f30a58033e33c5b05
                    • MD5 SHA1 SHA512 SSDEEP

                    Cry

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Cry
                    • Size 46KB
                    • SHA256 eac23650d93e5a9bb1ff1a530528c6d0d9fc560dc43b6da53fc43d72a05a75c0
                    • MD5 SHA1 SHA512 SSDEEP

                    Diesel

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Diesel
                    • Size 55KB
                    • SHA256 9f1288aaf43de4dc62207a14a607f2fa2f564865acb18151b26d22c8632f864c
                    • MD5 SHA1 SHA512 SSDEEP

                    Edge

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Edge
                    • Size 118KB
                    • SHA256 574f57903cbd192a4e107cfd94d2984769af871aeb3d332c9f68cb9113d25098
                    • MD5 SHA1 SHA512 SSDEEP

                    Foam

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Foam
                    • Size 29KB
                    • SHA256 4db40994e1cd85d6964ee26e5c2bff93846b9595732afe4511fcc808cac3abd9
                    • MD5 SHA1 SHA512 SSDEEP

                    Fucked

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Fucked
                    • Size 51KB
                    • SHA256 7c9ed859b956c751ad3ff022bd747719c5b7adbf629484ce59891fe7c3a4afed
                    • MD5 SHA1 SHA512 SSDEEP

                    Hypothesis

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Hypothesis
                    • Size 24KB
                    • SHA256 856f29572349b7c9836e3fdfb92ba9037ada3608f4e75d14eecc803fb68b1fa9
                    • MD5 SHA1 SHA512 SSDEEP

                    Judicial

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Judicial
                    • Size 59KB
                    • SHA256 c1569f49e9fda9a642e24220816964c9eada736cd5e483631758e28c0e0c66e4
                    • MD5 SHA1 SHA512 SSDEEP

                    Learning

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Learning
                    • Size 32KB
                    • SHA256 23928c202a5c807bf5638d3f49819a2e7cc0206fedbeff14c0d49ee45cdf9f18
                    • MD5 SHA1 SHA512 SSDEEP

                    Listprice

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Listprice
                    • Size 14KB
                    • SHA256 84530ea0066dd6fd6a7609b7baeb696dd329ba31e7a1c575fb4bf425f2fe939a
                    • MD5 SHA1 SHA512 SSDEEP

                    Luther

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Luther
                    • Size 57KB
                    • SHA256 c99f1ae796bde3033cbccaaac99e2a00a773aa0957022c0f332d8fe87547e94c
                    • MD5 SHA1 SHA512 SSDEEP

                    Managers

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Managers
                    • Size 20KB
                    • SHA256 cbcb79dc4d33b5a24738feb012284cc83875286006e48d611726a4109faf7410
                    • MD5 SHA1 SHA512 SSDEEP

                    Mo

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Mo
                    • Size 44KB
                    • SHA256 7fda37d3467a34ebdff27dc88ae81731c96619dc501d030411555ba469f0336e
                    • MD5 SHA1 SHA512 SSDEEP

                    Mount

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Mount
                    • Size 11KB
                    • SHA256 7f1ba9d956b6b536d442a724e47ed2fe1b72f2a48e7c3156075afa5a8e0ec97c
                    • MD5 SHA1 SHA512 SSDEEP

                    Pets

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Pets
                    • Size 38KB
                    • SHA256 36ad07225af15018f3b01cf134bbbe0b1829de1d7b0dd18ed0ab4752de685f9e
                    • MD5 SHA1 SHA512 SSDEEP

                    Plane

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Plane
                    • Size 68KB
                    • SHA256 273697d61d8bbf8ce381d6c9b383f6861f60b3302cd784d9c305c4c0d3b763b0
                    • MD5 SHA1 SHA512 SSDEEP

                    Rogers

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Rogers
                    • Size 40KB
                    • SHA256 b0c78e1c3df701c9e3002d7d2c3f3f45f9774e7585f08b175c13d707d1acd28e
                    • MD5 SHA1 SHA512 SSDEEP

                    Season

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Season
                    • Size 107B
                    • SHA256 50e4da641becd62da258d6a1a7310fe26318859c9258b52b33c3a3062dde1ad1
                    • MD5 SHA1 SHA512

                    Shift

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Shift
                    • Size 55KB
                    • SHA256 7ea64d58aaec176366c5e988335a5e0e5a8d2dc6e8186b8320d819a84e01dc4a
                    • MD5 SHA1 SHA512 SSDEEP

                    Televisions

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Televisions
                    • Size 3KB
                    • SHA256 6b0b47126b31d74f28dbfb8a2c32e84d000294b113f3af658e2061ab57e9d54b
                    • MD5 SHA1 SHA512

                    Trigger

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Trigger
                    • Size 80KB
                    • SHA256 7ae6621365a796eca0bed1427b18729c89e4717faca2ad8ac65218b80becd147
                    • MD5 SHA1 SHA512 SSDEEP

                    Upset

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Upset
                    • Size 43KB
                    • SHA256 07655bda823f497afb933e5ebd240182c881d1877733a56e3b852b7bb87dc07d
                    • MD5 SHA1 SHA512 SSDEEP

                    Va

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Va
                    • Size 34KB
                    • SHA256 bca8c70e8bac30e9c1c01b9fbf0b4ad13bb74548c4136b4eae5ea13ddc65159a
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/1864-80-0x0000000000400000-0x000000000040B000-memory.dmp

                    memory/1864-81-0x0000000000400000-0x000000000040B000-memory.dmp