Analysis

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

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2022 20:27

General

  • Target

    c31618dee7fb1f9d3b5cdc3fd42a8a498695e062404d1a5244c3b09466e912fc.exe

  • Size

    214KB

  • MD5

    816287b83f2bcba44a103e227868ef1f

  • SHA1

    4a57ff432e2f83bdbdb5c1d880728e02a47262bb

  • SHA256

    c31618dee7fb1f9d3b5cdc3fd42a8a498695e062404d1a5244c3b09466e912fc

  • SHA512

    0235eaf331a51d8dccb1352769eb72545c36ead5ce5b988a279c795dc840cdc25a750b5b15c185df95fd4523bca45ab843a8f0c89baf4d2bad6ad3e0d5d062ea

  • SSDEEP

    3072:IX4oLOH3aR6hPmyakx2fb+Siha+onfhe+aNRAtOba+oN2ZEzjcbImdzmuX:IIoLOHrhPmmx2T+SMinpex0RNjjcbXF

Malware Config

Signatures

  • Danabot

    Danabot is a modular banking Trojan that has been linked with other malware.

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Blocklisted process makes network request 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 1 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 18 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 30 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 14 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c31618dee7fb1f9d3b5cdc3fd42a8a498695e062404d1a5244c3b09466e912fc.exe
    "C:\Users\Admin\AppData\Local\Temp\c31618dee7fb1f9d3b5cdc3fd42a8a498695e062404d1a5244c3b09466e912fc.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4584
  • C:\Users\Admin\AppData\Local\Temp\F91A.exe
    C:\Users\Admin\AppData\Local\Temp\F91A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4796
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Qsedeqtedeooeo.tmp",Wufaiiuuye
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 14130
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:4344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 548
      2⤵
      • Program crash
      PID:5012
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4796 -ip 4796
    1⤵
      PID:308
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1748

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\F91A.exe
        Filesize

        1.1MB

        MD5

        b37a57c505e70d01d3b135a7a578652d

        SHA1

        558ff0476094928488e2104c30f7d51526842f98

        SHA256

        36cfa0e234d289738ca43878f695c4ed58de0e2db30edb6521d96c881ab14c7f

        SHA512

        62aa6d56c0dec7b43b9c44e60c68b4e56173e4910828f07e9769b2c19621eb1cc7ae6ef76509e56136622c90cd8b8510b28b4c4d5a528100691a1a279c2b1d9d

      • C:\Users\Admin\AppData\Local\Temp\F91A.exe
        Filesize

        1.1MB

        MD5

        b37a57c505e70d01d3b135a7a578652d

        SHA1

        558ff0476094928488e2104c30f7d51526842f98

        SHA256

        36cfa0e234d289738ca43878f695c4ed58de0e2db30edb6521d96c881ab14c7f

        SHA512

        62aa6d56c0dec7b43b9c44e60c68b4e56173e4910828f07e9769b2c19621eb1cc7ae6ef76509e56136622c90cd8b8510b28b4c4d5a528100691a1a279c2b1d9d

      • C:\Users\Admin\AppData\Local\Temp\Qsedeqtedeooeo.tmp
        Filesize

        797KB

        MD5

        24925b25552a7d8f1d3292071e545920

        SHA1

        f786e1d40df30f6fed0301d60c823b655f2d6eac

        SHA256

        9931503a3ab908d2840dae6a7cb77a5abc5e77cc67af405d1329b7dfc3fe800b

        SHA512

        242dbf94b06e67fdf0aac29b2f38ce4929d156c42e2413565f203cda1fdb6458e34b26eeb0151fe4f1914432be28b16d648affa63f20c7b480c54e2d9360fb26

      • C:\Users\Admin\AppData\Local\Temp\Qsedeqtedeooeo.tmp
        Filesize

        797KB

        MD5

        24925b25552a7d8f1d3292071e545920

        SHA1

        f786e1d40df30f6fed0301d60c823b655f2d6eac

        SHA256

        9931503a3ab908d2840dae6a7cb77a5abc5e77cc67af405d1329b7dfc3fe800b

        SHA512

        242dbf94b06e67fdf0aac29b2f38ce4929d156c42e2413565f203cda1fdb6458e34b26eeb0151fe4f1914432be28b16d648affa63f20c7b480c54e2d9360fb26

      • memory/2096-152-0x0000000005CC0000-0x0000000005E00000-memory.dmp
        Filesize

        1.2MB

      • memory/2096-147-0x0000000005CC0000-0x0000000005E00000-memory.dmp
        Filesize

        1.2MB

      • memory/2096-159-0x0000000004E50000-0x0000000005575000-memory.dmp
        Filesize

        7.1MB

      • memory/2096-156-0x0000000005D39000-0x0000000005D3B000-memory.dmp
        Filesize

        8KB

      • memory/2096-151-0x0000000005CC0000-0x0000000005E00000-memory.dmp
        Filesize

        1.2MB

      • memory/2096-141-0x0000000000000000-mapping.dmp
      • memory/2096-150-0x0000000005CC0000-0x0000000005E00000-memory.dmp
        Filesize

        1.2MB

      • memory/2096-149-0x0000000005CC0000-0x0000000005E00000-memory.dmp
        Filesize

        1.2MB

      • memory/2096-148-0x0000000005CC0000-0x0000000005E00000-memory.dmp
        Filesize

        1.2MB

      • memory/2096-145-0x0000000004E50000-0x0000000005575000-memory.dmp
        Filesize

        7.1MB

      • memory/2096-146-0x0000000004E50000-0x0000000005575000-memory.dmp
        Filesize

        7.1MB

      • memory/4344-153-0x00007FF63B236890-mapping.dmp
      • memory/4344-154-0x00000238ECF50000-0x00000238ED090000-memory.dmp
        Filesize

        1.2MB

      • memory/4344-155-0x00000238ECF50000-0x00000238ED090000-memory.dmp
        Filesize

        1.2MB

      • memory/4344-157-0x00000000001E0000-0x00000000003F9000-memory.dmp
        Filesize

        2.1MB

      • memory/4344-158-0x00000238EB710000-0x00000238EB93A000-memory.dmp
        Filesize

        2.2MB

      • memory/4584-133-0x00000000005A0000-0x00000000005A9000-memory.dmp
        Filesize

        36KB

      • memory/4584-134-0x0000000000400000-0x000000000045D000-memory.dmp
        Filesize

        372KB

      • memory/4584-132-0x0000000000708000-0x0000000000718000-memory.dmp
        Filesize

        64KB

      • memory/4584-135-0x0000000000400000-0x000000000045D000-memory.dmp
        Filesize

        372KB

      • memory/4796-144-0x0000000000400000-0x0000000000531000-memory.dmp
        Filesize

        1.2MB

      • memory/4796-140-0x0000000002390000-0x00000000024C0000-memory.dmp
        Filesize

        1.2MB

      • memory/4796-136-0x0000000000000000-mapping.dmp
      • memory/4796-139-0x000000000223A000-0x0000000002329000-memory.dmp
        Filesize

        956KB