Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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 09:53

General

  • Target

    c3806ca9a413b32c5ee8ff8f85882059.exe

  • Size

    305KB

  • MD5

    c3806ca9a413b32c5ee8ff8f85882059

  • SHA1

    bb9d518dd9137242154cb739002f6b7296f6aefc

  • SHA256

    81f3a2b4d61c482d118d57f730657a3ddb68d0261cae8f5497765b5af4950ea8

  • SHA512

    4b3f2d1d1321c0780bf57c306e69e64536920b4fea7eed11c07d3362aea73b6d9ad3017d3332b49a60d32d9a326f8b619425f508a6f3f941901dae2d4e647774

  • SSDEEP

    3072:kEzb+LV+JYX1pcM/5/QPPTAQXp/uXccBuvPqlFFnL5QxbhZpy65/1E3ZJyyjXgKg:DaLYGyMBqVRcBumF+bhu63QZImQKG0

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 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 2 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 22 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 22 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\c3806ca9a413b32c5ee8ff8f85882059.exe
    "C:\Users\Admin\AppData\Local\Temp\c3806ca9a413b32c5ee8ff8f85882059.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2220
  • C:\Users\Admin\AppData\Local\Temp\E4B7.exe
    C:\Users\Admin\AppData\Local\Temp\E4B7.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3908
    • 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:2960
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 14144
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:2852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 532
      2⤵
      • Program crash
      PID:1136
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3908 -ip 3908
    1⤵
      PID:3172
    • C:\Users\Admin\AppData\Local\Temp\27DC.exe
      C:\Users\Admin\AppData\Local\Temp\27DC.exe
      1⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:612
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 612 -s 492
        2⤵
        • Program crash
        PID:4164
    • C:\ProgramData\fgqq\sqdoa.exe
      C:\ProgramData\fgqq\sqdoa.exe start
      1⤵
      • Executes dropped EXE
      PID:4496
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 612 -ip 612
        1⤵
          PID:4056
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\SysWOW64\svchost.exe -k LocalService
          1⤵
            PID:944

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\WindowsPowerShell\Modules\main-cef.dll

            Filesize

            797KB

            MD5

            83e5f01f2aee86b4a0dfb3ec443e40f2

            SHA1

            81d5d2832083e3029ff8bc6a64398e33faf5a619

            SHA256

            1ffd215915d1b66de76b38893638cfae19e9c81566b969782fa63018be06ea98

            SHA512

            e915e117d73ed604bc7591d03eefc8f0b8aadde3e2d10d356acbfad64bb11e4c2e49647baa32a32706a5fb838c24f50a76b61a3a606ea1c1d898a756cc4e2fcd

          • C:\ProgramData\fgqq\sqdoa.exe

            Filesize

            218KB

            MD5

            cdc67700f25eaed1417264c4bdec03d3

            SHA1

            56639e9414e6ee8394d940d62778475ddf071290

            SHA256

            fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

            SHA512

            a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

          • C:\ProgramData\fgqq\sqdoa.exe

            Filesize

            218KB

            MD5

            cdc67700f25eaed1417264c4bdec03d3

            SHA1

            56639e9414e6ee8394d940d62778475ddf071290

            SHA256

            fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

            SHA512

            a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

          • C:\ProgramData\{DFE614B1-1B05-F404-C372-1D93E0034A80}\Fwroes.tmp

            Filesize

            2.3MB

            MD5

            e9f1a7e52cde43edc89192c2751269da

            SHA1

            2e7d4c7389c3fc7539dc5eca4d522e122ef586d9

            SHA256

            a557c9f8c18e69e51d442b6b38e469799984fd25b356db2646080fca970d125e

            SHA512

            7409279cc24e7f9c555ae2e5b60f000cd3c5de0d8dca577f5c9528638e3e42e4194988d36b83d306c0b5930a184be6c31634b6eef873a06e3bfa4c0243358254

          • C:\Users\Admin\AppData\Local\Temp\27DC.exe

            Filesize

            218KB

            MD5

            cdc67700f25eaed1417264c4bdec03d3

            SHA1

            56639e9414e6ee8394d940d62778475ddf071290

            SHA256

            fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

            SHA512

            a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

          • C:\Users\Admin\AppData\Local\Temp\27DC.exe

            Filesize

            218KB

            MD5

            cdc67700f25eaed1417264c4bdec03d3

            SHA1

            56639e9414e6ee8394d940d62778475ddf071290

            SHA256

            fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

            SHA512

            a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

          • C:\Users\Admin\AppData\Local\Temp\E4B7.exe

            Filesize

            1.1MB

            MD5

            c8beb87469647c6fb577d2bfec8e0fcd

            SHA1

            dcbbd759d34cb4d23c53d67943c47a250ee32767

            SHA256

            c0ada9e11f5005b3b81f34b522c43ef087fb77e1444bfe902bcaf6dfad22e8c6

            SHA512

            678bbc9fcaa886d4babf499303afdbdf737d0e98d830bc404bcd74255742595229fa99c757f2b6c90b729b3fe260faecd2928405aaa641d774fda96fd80870fd

          • C:\Users\Admin\AppData\Local\Temp\E4B7.exe

            Filesize

            1.1MB

            MD5

            c8beb87469647c6fb577d2bfec8e0fcd

            SHA1

            dcbbd759d34cb4d23c53d67943c47a250ee32767

            SHA256

            c0ada9e11f5005b3b81f34b522c43ef087fb77e1444bfe902bcaf6dfad22e8c6

            SHA512

            678bbc9fcaa886d4babf499303afdbdf737d0e98d830bc404bcd74255742595229fa99c757f2b6c90b729b3fe260faecd2928405aaa641d774fda96fd80870fd

          • 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:\program files (x86)\windowspowershell\modules\main-cef.dll

            Filesize

            797KB

            MD5

            83e5f01f2aee86b4a0dfb3ec443e40f2

            SHA1

            81d5d2832083e3029ff8bc6a64398e33faf5a619

            SHA256

            1ffd215915d1b66de76b38893638cfae19e9c81566b969782fa63018be06ea98

            SHA512

            e915e117d73ed604bc7591d03eefc8f0b8aadde3e2d10d356acbfad64bb11e4c2e49647baa32a32706a5fb838c24f50a76b61a3a606ea1c1d898a756cc4e2fcd

          • memory/612-169-0x00000000006B0000-0x00000000006B9000-memory.dmp

            Filesize

            36KB

          • memory/612-152-0x00000000006B0000-0x00000000006B9000-memory.dmp

            Filesize

            36KB

          • memory/612-146-0x0000000000000000-mapping.dmp

          • memory/612-154-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB

          • memory/612-173-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB

          • memory/612-170-0x00000000007A9000-0x00000000007BA000-memory.dmp

            Filesize

            68KB

          • memory/612-153-0x00000000007A9000-0x00000000007BA000-memory.dmp

            Filesize

            68KB

          • memory/2220-135-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB

          • memory/2220-133-0x00000000005F0000-0x00000000005F9000-memory.dmp

            Filesize

            36KB

          • memory/2220-134-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB

          • memory/2220-132-0x0000000000658000-0x000000000066E000-memory.dmp

            Filesize

            88KB

          • memory/2852-166-0x000001238CD40000-0x000001238CF6A000-memory.dmp

            Filesize

            2.2MB

          • memory/2852-162-0x000001238CD40000-0x000001238CF6A000-memory.dmp

            Filesize

            2.2MB

          • memory/2852-164-0x0000000000990000-0x0000000000BA9000-memory.dmp

            Filesize

            2.1MB

          • memory/2852-163-0x000001238E710000-0x000001238E850000-memory.dmp

            Filesize

            1.2MB

          • memory/2852-161-0x000001238E710000-0x000001238E850000-memory.dmp

            Filesize

            1.2MB

          • memory/2852-159-0x00007FF6A40C6890-mapping.dmp

          • memory/2960-165-0x0000000004C00000-0x0000000005325000-memory.dmp

            Filesize

            7.1MB

          • memory/2960-145-0x0000000004C00000-0x0000000005325000-memory.dmp

            Filesize

            7.1MB

          • memory/2960-158-0x00000000054E0000-0x0000000005620000-memory.dmp

            Filesize

            1.2MB

          • memory/2960-157-0x00000000054E0000-0x0000000005620000-memory.dmp

            Filesize

            1.2MB

          • memory/2960-156-0x00000000054E0000-0x0000000005620000-memory.dmp

            Filesize

            1.2MB

          • memory/2960-155-0x00000000054E0000-0x0000000005620000-memory.dmp

            Filesize

            1.2MB

          • memory/2960-151-0x00000000054E0000-0x0000000005620000-memory.dmp

            Filesize

            1.2MB

          • memory/2960-150-0x00000000054E0000-0x0000000005620000-memory.dmp

            Filesize

            1.2MB

          • memory/2960-147-0x0000000004C00000-0x0000000005325000-memory.dmp

            Filesize

            7.1MB

          • memory/2960-160-0x0000000005559000-0x000000000555B000-memory.dmp

            Filesize

            8KB

          • memory/2960-139-0x0000000000000000-mapping.dmp

          • memory/3908-143-0x0000000002310000-0x0000000002440000-memory.dmp

            Filesize

            1.2MB

          • memory/3908-142-0x0000000002215000-0x0000000002304000-memory.dmp

            Filesize

            956KB

          • memory/3908-144-0x0000000000400000-0x000000000053E000-memory.dmp

            Filesize

            1.2MB

          • memory/3908-136-0x0000000000000000-mapping.dmp

          • memory/4496-171-0x0000000000792000-0x00000000007A3000-memory.dmp

            Filesize

            68KB

          • memory/4496-172-0x0000000000400000-0x000000000045F000-memory.dmp

            Filesize

            380KB