Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/12/2022, 11:59

General

  • Target

    file.exe

  • Size

    217KB

  • MD5

    159bf3c1b8387fdd3ccdc293b8d5e9d2

  • SHA1

    5b23664c1b8b6c835e5067b90e07687aab4979a4

  • SHA256

    3ac7b32c46a0fc9a6b97aaa3bb18c06c8212d8869f87f0d2bb712ffbcb826967

  • SHA512

    145435b9af204328fa2cb4f7823fe2cf74948fa7bfa1b82f910e3e9769d346dc7985730b526bc913d6286fb83de43e74d7a23c224ff3013069c9afc48ed137cf

  • SSDEEP

    3072:G1C22LVxA2/HRS3NgT79LC8OphRXrM8L77b/tQA4ANHCDml:Gg22LrA2eNg9PiIqr1yqCa

Malware Config

Extracted

Family

systembc

C2

109.205.214.18:443

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.

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 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 6 IoCs

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

  • Checks processor information in registry 2 TTPs 23 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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:3996
  • C:\Users\Admin\AppData\Local\Temp\2460.exe
    C:\Users\Admin\AppData\Local\Temp\2460.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3024
    • 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:2460
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 14137
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:3332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 528
      2⤵
      • Program crash
      PID:4476
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3024 -ip 3024
    1⤵
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\541C.exe
      C:\Users\Admin\AppData\Local\Temp\541C.exe
      1⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:4532
    • C:\Users\Admin\AppData\Roaming\vaavbde
      C:\Users\Admin\AppData\Roaming\vaavbde
      1⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2868
    • C:\ProgramData\ucfvoev\wkgol.exe
      C:\ProgramData\ucfvoev\wkgol.exe start
      1⤵
      • Executes dropped EXE
      PID:2492
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4356

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\ucfvoev\wkgol.exe

        Filesize

        218KB

        MD5

        cdc67700f25eaed1417264c4bdec03d3

        SHA1

        56639e9414e6ee8394d940d62778475ddf071290

        SHA256

        fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

        SHA512

        a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

      • C:\ProgramData\ucfvoev\wkgol.exe

        Filesize

        218KB

        MD5

        cdc67700f25eaed1417264c4bdec03d3

        SHA1

        56639e9414e6ee8394d940d62778475ddf071290

        SHA256

        fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

        SHA512

        a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

      • C:\Users\Admin\AppData\Local\Temp\2460.exe

        Filesize

        1.1MB

        MD5

        be1369ec379e0ec8dd84be3d5a26ac00

        SHA1

        ee6832ff5c366b22291778d8c314f0d4ec6b1225

        SHA256

        4162582a729874d7ae84b69bb265fcc1a26ef2635de322bc60c18db397f20912

        SHA512

        4b1546ac4017772a97d5c16be5be988ce31f64161a4df2ed39d4fcab6590616f8268f8cc3d193a9b50c0ebecf7505a445554a5897dd5ff29f1eda6437194b171

      • C:\Users\Admin\AppData\Local\Temp\2460.exe

        Filesize

        1.1MB

        MD5

        be1369ec379e0ec8dd84be3d5a26ac00

        SHA1

        ee6832ff5c366b22291778d8c314f0d4ec6b1225

        SHA256

        4162582a729874d7ae84b69bb265fcc1a26ef2635de322bc60c18db397f20912

        SHA512

        4b1546ac4017772a97d5c16be5be988ce31f64161a4df2ed39d4fcab6590616f8268f8cc3d193a9b50c0ebecf7505a445554a5897dd5ff29f1eda6437194b171

      • C:\Users\Admin\AppData\Local\Temp\541C.exe

        Filesize

        218KB

        MD5

        cdc67700f25eaed1417264c4bdec03d3

        SHA1

        56639e9414e6ee8394d940d62778475ddf071290

        SHA256

        fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

        SHA512

        a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

      • C:\Users\Admin\AppData\Local\Temp\541C.exe

        Filesize

        218KB

        MD5

        cdc67700f25eaed1417264c4bdec03d3

        SHA1

        56639e9414e6ee8394d940d62778475ddf071290

        SHA256

        fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

        SHA512

        a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

      • 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

      • C:\Users\Admin\AppData\Roaming\vaavbde

        Filesize

        217KB

        MD5

        159bf3c1b8387fdd3ccdc293b8d5e9d2

        SHA1

        5b23664c1b8b6c835e5067b90e07687aab4979a4

        SHA256

        3ac7b32c46a0fc9a6b97aaa3bb18c06c8212d8869f87f0d2bb712ffbcb826967

        SHA512

        145435b9af204328fa2cb4f7823fe2cf74948fa7bfa1b82f910e3e9769d346dc7985730b526bc913d6286fb83de43e74d7a23c224ff3013069c9afc48ed137cf

      • C:\Users\Admin\AppData\Roaming\vaavbde

        Filesize

        217KB

        MD5

        159bf3c1b8387fdd3ccdc293b8d5e9d2

        SHA1

        5b23664c1b8b6c835e5067b90e07687aab4979a4

        SHA256

        3ac7b32c46a0fc9a6b97aaa3bb18c06c8212d8869f87f0d2bb712ffbcb826967

        SHA512

        145435b9af204328fa2cb4f7823fe2cf74948fa7bfa1b82f910e3e9769d346dc7985730b526bc913d6286fb83de43e74d7a23c224ff3013069c9afc48ed137cf

      • memory/2460-165-0x0000000005BA0000-0x0000000005CE0000-memory.dmp

        Filesize

        1.2MB

      • memory/2460-164-0x0000000005BA0000-0x0000000005CE0000-memory.dmp

        Filesize

        1.2MB

      • memory/2460-155-0x0000000004D30000-0x0000000005455000-memory.dmp

        Filesize

        7.1MB

      • memory/2460-163-0x0000000005BA0000-0x0000000005CE0000-memory.dmp

        Filesize

        1.2MB

      • memory/2460-167-0x0000000005BA0000-0x0000000005CE0000-memory.dmp

        Filesize

        1.2MB

      • memory/2460-157-0x0000000005BA0000-0x0000000005CE0000-memory.dmp

        Filesize

        1.2MB

      • memory/2460-175-0x0000000004D30000-0x0000000005455000-memory.dmp

        Filesize

        7.1MB

      • memory/2460-158-0x0000000005BA0000-0x0000000005CE0000-memory.dmp

        Filesize

        1.2MB

      • memory/2460-156-0x0000000004D30000-0x0000000005455000-memory.dmp

        Filesize

        7.1MB

      • memory/2492-173-0x0000000000460000-0x0000000000560000-memory.dmp

        Filesize

        1024KB

      • memory/2492-174-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2492-176-0x0000000000460000-0x0000000000560000-memory.dmp

        Filesize

        1024KB

      • memory/2868-154-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/2868-153-0x00000000006A8000-0x00000000006B8000-memory.dmp

        Filesize

        64KB

      • memory/2868-159-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/3024-144-0x0000000000400000-0x000000000053E000-memory.dmp

        Filesize

        1.2MB

      • memory/3024-141-0x0000000002256000-0x0000000002345000-memory.dmp

        Filesize

        956KB

      • memory/3024-143-0x0000000002350000-0x0000000002480000-memory.dmp

        Filesize

        1.2MB

      • memory/3332-172-0x00000250E3490000-0x00000250E36BA000-memory.dmp

        Filesize

        2.2MB

      • memory/3332-169-0x00000250E4CD0000-0x00000250E4E10000-memory.dmp

        Filesize

        1.2MB

      • memory/3332-170-0x00000250E4CD0000-0x00000250E4E10000-memory.dmp

        Filesize

        1.2MB

      • memory/3332-171-0x0000000000040000-0x0000000000259000-memory.dmp

        Filesize

        2.1MB

      • memory/3996-132-0x00000000007C9000-0x00000000007D9000-memory.dmp

        Filesize

        64KB

      • memory/3996-133-0x00000000005E0000-0x00000000005E9000-memory.dmp

        Filesize

        36KB

      • memory/3996-134-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/3996-135-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/4532-160-0x00000000005B9000-0x00000000005CA000-memory.dmp

        Filesize

        68KB

      • memory/4532-150-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB

      • memory/4532-149-0x0000000000490000-0x0000000000499000-memory.dmp

        Filesize

        36KB

      • memory/4532-148-0x00000000005B9000-0x00000000005CA000-memory.dmp

        Filesize

        68KB

      • memory/4532-177-0x00000000005B9000-0x00000000005CA000-memory.dmp

        Filesize

        68KB

      • memory/4532-178-0x0000000000400000-0x000000000045F000-memory.dmp

        Filesize

        380KB