Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2022, 19:23

General

  • Target
    file.exe
  • Size 257KB
  • Sample221231-x3szesad39
  • SHA256 78fdd3d64acf475e6f2eb9af6e97ed3022ba5369cb47c704e397fbe9186ba0bf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 10 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 38 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 19 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2072
  • C:\Users\Admin\AppData\Local\Temp\C633.exe
    C:\Users\Admin\AppData\Local\Temp\C633.exe
    1⤵
    • Executes dropped EXE
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 936
      2⤵
      • Program crash
      PID:3812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1080
      2⤵
      • Program crash
      PID:3628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1156
      2⤵
      • Program crash
      PID:4364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1028
      2⤵
      • Program crash
      PID:1460
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1188
      2⤵
      • Program crash
      PID:3604
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1028
      2⤵
      • Program crash
      PID:532
    • C:\Users\Admin\AppData\Local\Temp\Iqpoqhfidqa.exe
      "C:\Users\Admin\AppData\Local\Temp\Iqpoqhfidqa.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 472
        3⤵
        • Program crash
        PID:2124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1456
      2⤵
      • Program crash
      PID:4896
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      PID:3592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4788 -s 1216
      2⤵
      • Program crash
      PID:4632
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4788 -ip 4788
    1⤵
      PID:4224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4788 -ip 4788
      1⤵
        PID:4632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4788 -ip 4788
        1⤵
          PID:4820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4788 -ip 4788
          1⤵
            PID:4384
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4788 -ip 4788
            1⤵
              PID:4584
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4788 -ip 4788
              1⤵
                PID:4396
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4788 -ip 4788
                1⤵
                  PID:4728
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 1416 -ip 1416
                  1⤵
                    PID:5108
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-first-run --no-default-browser-check --silent-launch --disable-backgrounding-occluded-windows --disable-background-timer-throttling --ran-launcher --profile-directory="Default"
                    1⤵
                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                    • Enumerates system info in registry
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    PID:4672
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffd3e7a4f50,0x7ffd3e7a4f60,0x7ffd3e7a4f70
                      2⤵
                        PID:1164
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1604,15672385583066619732,2644880067391258016,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1680 /prefetch:2
                        2⤵
                          PID:2156
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1604,15672385583066619732,2644880067391258016,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2004 /prefetch:8
                          2⤵
                            PID:1848
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1604,15672385583066619732,2644880067391258016,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2320 /prefetch:8
                            2⤵
                              PID:4020
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1604,15672385583066619732,2644880067391258016,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3588 /prefetch:8
                              2⤵
                                PID:3144
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -u -p 4672 -s 3632
                                2⤵
                                • Program crash
                                PID:4256
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4596
                              • C:\Windows\system32\WerFault.exe
                                C:\Windows\system32\WerFault.exe -pss -s 604 -p 4672 -ip 4672
                                1⤵
                                  PID:4072
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 4788 -ip 4788
                                  1⤵
                                    PID:4960

                                  Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        0a66bfbc-2b3c-42f2-a104-4311972f02b8.tmp

                                        • Path C:\Users\Admin\AppData\Local\Temp\0a66bfbc-2b3c-42f2-a104-4311972f02b8.tmp
                                        • Size 21KB
                                        • SHA256 7f4e382d1c6724a5f173f3617e35d5ad74c28ffce9a918f00b48c88f978dc34e
                                        • MD5 SHA1 SHA512 SSDEEP

                                        238c27f5-0a3b-4a19-a78d-9f1e363d70e0.tmp

                                        • Path C:\Users\Admin\AppData\Local\Temp\238c27f5-0a3b-4a19-a78d-9f1e363d70e0.tmp
                                        • Size 23KB
                                        • SHA256 3884df97009ac7e97143743660ed8e010d5f77edcf611bf85276e876fc70754b
                                        • MD5 SHA1 SHA512 SSDEEP

                                        AdobeSFX.log

                                        • Path C:\Users\Admin\AppData\Local\Temp\AdobeSFX.log
                                        • Size 1KB
                                        • SHA256 637f39c5e12f7ff56488cfa4308c244bd2473ff770eced6da50b1823e7371240
                                        • MD5 SHA1 SHA512

                                        C633.exe

                                        • Path C:\Users\Admin\AppData\Local\Temp\C633.exe
                                        • Size 6.6MB
                                        • SHA256 55054d7dd67fa5e02e014e92761470d3b43f1d6a42846a6c17b266ccca38eaf5
                                        • MD5 SHA1 SHA512 SSDEEP

                                        C633.exe

                                        • Path C:\Users\Admin\AppData\Local\Temp\C633.exe
                                        • Size 6.6MB
                                        • SHA256 55054d7dd67fa5e02e014e92761470d3b43f1d6a42846a6c17b266ccca38eaf5
                                        • MD5 SHA1 SHA512 SSDEEP

                                        COXNLIOB-20221111-1350.log

                                        • Path C:\Users\Admin\AppData\Local\Temp\COXNLIOB-20221111-1350.log
                                        • Size 56KB
                                        • SHA256 b0ccec98a8b0840dca4263fa4243620790fb48548c1cb9f6816cfac49c844f9b
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Iqpoqhfidqa.exe

                                        • Path C:\Users\Admin\AppData\Local\Temp\Iqpoqhfidqa.exe
                                        • Size 1.4MB
                                        • SHA256 57c3c745da3abd3efb910c157bad430f5dc74a3aab48334e4f8f1a93c68d7d67
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Iqpoqhfidqa.exe

                                        • Path C:\Users\Admin\AppData\Local\Temp\Iqpoqhfidqa.exe
                                        • Size 1.4MB
                                        • SHA256 57c3c745da3abd3efb910c157bad430f5dc74a3aab48334e4f8f1a93c68d7d67
                                        • MD5 SHA1 SHA512 SSDEEP

                                        Iqpoqhfidqa.tmp

                                        • Path C:\Users\Admin\AppData\Local\Temp\Iqpoqhfidqa.tmp
                                        • Size 3.5MB
                                        • SHA256 c34565954052e885c9978fc2b50cf32cc98a67ba9851689101ed5bfffa9bdce4
                                        • MD5 SHA1 SHA512 SSDEEP

                                        abac0e8a-ef82-4347-8d85-b964d1e5e69f.tmp

                                        • Path C:\Users\Admin\AppData\Local\Temp\abac0e8a-ef82-4347-8d85-b964d1e5e69f.tmp
                                        • Size 23KB
                                        • SHA256 ee80340a02c0f96a3f9d01e635857d38d7b92444d6102ee29804f559f2eaa7f4
                                        • MD5 SHA1 SHA512 SSDEEP

                                        chrome_installer.log

                                        • Path C:\Users\Admin\AppData\Local\Temp\chrome_installer.log
                                        • Size 1KB
                                        • SHA256 f4ca10554a2b88353fd54b42bfcc334ea966c7196579f6f8350548a6e5fd246a
                                        • MD5 SHA1 SHA512

                                        dd_NDP472-KB4054530-x86-x64-AllOS-ENU_decompression_log.txt

                                        • Path C:\Users\Admin\AppData\Local\Temp\dd_NDP472-KB4054530-x86-x64-AllOS-ENU_decompression_log.txt
                                        • Size 1KB
                                        • SHA256 25f35edabc8437112683082f607e3fbf818364f4276449b138eb460e328c015e
                                        • MD5 SHA1 SHA512

                                        dd_vcredistUI1873.txt

                                        • Path C:\Users\Admin\AppData\Local\Temp\dd_vcredistUI1873.txt
                                        • Size 11KB
                                        • SHA256 af96341c24e024c059bda9ca676233293a040d9e2c69a97aeba159cc7cb98549
                                        • MD5 SHA1 SHA512 SSDEEP

                                        jawshtml.html

                                        • Path C:\Users\Admin\AppData\Local\Temp\jawshtml.html
                                        • Size 13B
                                        • SHA256 7b4f72a40bd21934680f085afe8a30bf85acff1a8365af43102025c4ccf52b73
                                        • MD5 SHA1 SHA512

                                        jusched.log

                                        • Path C:\Users\Admin\AppData\Local\Temp\jusched.log
                                        • Size 266KB
                                        • SHA256 73d396c0df66e8f16658167a61fb6d1548d33f8c93c660e9eb68bb699555d5cd
                                        • MD5 SHA1 SHA512 SSDEEP

                                        msedge_installer.log

                                        • Path C:\Users\Admin\AppData\Local\Temp\msedge_installer.log
                                        • Size 3KB
                                        • SHA256 820c39ecfc4a27c7a3e3809ae95ffd4c6abc50997c6a01ea6be96459e2f1779c
                                        • MD5 SHA1 SHA512

                                        memory/1012-162-0x0000000007A70000-0x0000000007A80000-memory.dmp

                                        memory/1012-217-0x0000000007A70000-0x0000000007A80000-memory.dmp

                                        memory/1012-151-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-152-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-163-0x0000000007A70000-0x0000000007A80000-memory.dmp

                                        memory/1012-154-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-155-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-156-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-157-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-158-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-159-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-160-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-150-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-161-0x0000000007A40000-0x0000000007A50000-memory.dmp

                                        memory/1012-153-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-164-0x0000000007A70000-0x0000000007A80000-memory.dmp

                                        memory/1012-147-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-146-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-145-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-144-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-213-0x000000000B8CA000-0x000000000B8CF000-memory.dmp

                                        memory/1012-214-0x000000000FCB0000-0x000000000FDD8000-memory.dmp

                                        memory/1012-216-0x0000000007A70000-0x0000000007A80000-memory.dmp

                                        memory/1012-149-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-218-0x0000000007A70000-0x0000000007A80000-memory.dmp

                                        memory/1012-219-0x000000000FCB0000-0x000000000FDD8000-memory.dmp

                                        memory/1012-148-0x00000000025C0000-0x00000000025D0000-memory.dmp

                                        memory/1012-223-0x000000000FCB0000-0x000000000FDD8000-memory.dmp

                                        memory/1416-199-0x00000000028D0000-0x0000000002A04000-memory.dmp

                                        memory/1416-211-0x0000000000400000-0x0000000000588000-memory.dmp

                                        memory/1416-212-0x00000000028D0000-0x0000000002A04000-memory.dmp

                                        memory/1416-210-0x00000000024F0000-0x0000000002645000-memory.dmp

                                        memory/1416-209-0x00000000023AF000-0x00000000024EF000-memory.dmp

                                        memory/1416-208-0x00000000028D0000-0x0000000002A04000-memory.dmp

                                        memory/1416-207-0x00000000028D0000-0x0000000002A04000-memory.dmp

                                        memory/1416-206-0x00000000028D0000-0x0000000002A04000-memory.dmp

                                        memory/1416-205-0x00000000028D0000-0x0000000002A04000-memory.dmp

                                        memory/1416-204-0x00000000028D0000-0x0000000002A04000-memory.dmp

                                        memory/2072-132-0x000000000061D000-0x000000000062E000-memory.dmp

                                        memory/2072-133-0x00000000004D0000-0x00000000004D9000-memory.dmp

                                        memory/2072-134-0x0000000000400000-0x000000000045E000-memory.dmp

                                        memory/2072-135-0x0000000000400000-0x000000000045E000-memory.dmp

                                        memory/3592-182-0x0000000003E90000-0x0000000003FD0000-memory.dmp

                                        memory/3592-197-0x0000000003E90000-0x0000000003FD0000-memory.dmp

                                        memory/3592-180-0x0000000000C40000-0x0000000001672000-memory.dmp

                                        memory/3592-198-0x0000000003E90000-0x0000000003FD0000-memory.dmp

                                        memory/3592-183-0x0000000003180000-0x0000000003CD2000-memory.dmp

                                        memory/3592-184-0x0000000003E90000-0x0000000003FD0000-memory.dmp

                                        memory/3592-202-0x0000000003180000-0x0000000003CD2000-memory.dmp

                                        memory/4788-178-0x00000000049C0000-0x0000000005512000-memory.dmp

                                        memory/4788-142-0x0000000000400000-0x0000000000CD0000-memory.dmp

                                        memory/4788-177-0x0000000005730000-0x0000000005870000-memory.dmp

                                        memory/4788-172-0x0000000005730000-0x0000000005870000-memory.dmp

                                        memory/4788-174-0x0000000005730000-0x0000000005870000-memory.dmp

                                        memory/4788-143-0x0000000000400000-0x0000000000CD0000-memory.dmp

                                        memory/4788-173-0x0000000005730000-0x0000000005870000-memory.dmp

                                        memory/4788-168-0x00000000049C0000-0x0000000005512000-memory.dmp

                                        memory/4788-176-0x0000000005730000-0x0000000005870000-memory.dmp

                                        memory/4788-175-0x0000000005730000-0x0000000005870000-memory.dmp

                                        memory/4788-141-0x0000000003140000-0x0000000003A03000-memory.dmp

                                        memory/4788-215-0x0000000000400000-0x0000000000CD0000-memory.dmp

                                        memory/4788-139-0x0000000000400000-0x0000000000CD0000-memory.dmp

                                        memory/4788-140-0x0000000002AC9000-0x000000000313F000-memory.dmp

                                        memory/4788-169-0x00000000049C0000-0x0000000005512000-memory.dmp

                                        memory/4788-170-0x0000000005730000-0x0000000005870000-memory.dmp

                                        memory/4788-221-0x00000000049C0000-0x0000000005512000-memory.dmp

                                        memory/4788-222-0x0000000000400000-0x0000000000CD0000-memory.dmp

                                        memory/4788-171-0x0000000005730000-0x0000000005870000-memory.dmp