Analysis

  • max time kernel
    150s
  • 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 09:48

General

  • Target

    212817a2439b3d3b034ce5ddf32b69b0.exe

  • Size

    304KB

  • MD5

    212817a2439b3d3b034ce5ddf32b69b0

  • SHA1

    03097a9a1d2824a16a3a84c4c765c0fc09954153

  • SHA256

    38e999b667e1396ec4793fd9bd4f5abfde6f5ef3c5faaebfcd29d345350cf76f

  • SHA512

    6ef2ec69f01f97f8e496a3d4d55e6c955cc55674033fd10481259cd3ca35dbda40b1125123a3d07838fa7784a4bc87c9323061cb7ede406efdcfd515736a3b27

  • SSDEEP

    3072:z4z3Ls+mjpEE75l71MAQnUt1J1tWvvXnx+NasdASy65/1E3ZJyyjXgKG0xOKbyD9:C3LKqEmU9X6vXBn63QZImQKG0

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 2 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
  • 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 Program Files directory 32 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 6 IoCs

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

  • Checks processor information in registry 2 TTPs 19 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 18 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\212817a2439b3d3b034ce5ddf32b69b0.exe
    "C:\Users\Admin\AppData\Local\Temp\212817a2439b3d3b034ce5ddf32b69b0.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3532
  • C:\Users\Admin\AppData\Local\Temp\4E6E.exe
    C:\Users\Admin\AppData\Local\Temp\4E6E.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:5092
    • 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
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:4724
      • 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:4032
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 544
      2⤵
      • Program crash
      PID:4852
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5092 -ip 5092
    1⤵
      PID:4904
    • C:\Users\Admin\AppData\Local\Temp\75CD.exe
      C:\Users\Admin\AppData\Local\Temp\75CD.exe
      1⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:1784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 956
        2⤵
        • Program crash
        PID:4648
    • C:\ProgramData\iroib\jwvtbhm.exe
      C:\ProgramData\iroib\jwvtbhm.exe start
      1⤵
      • Executes dropped EXE
      PID:4796
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1940
      • C:\Users\Admin\AppData\Roaming\gjicffh
        C:\Users\Admin\AppData\Roaming\gjicffh
        1⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: MapViewOfSection
        PID:4264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1784 -ip 1784
        1⤵
          PID:4644

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        Query Registry

        3
        T1012

        System Information Discovery

        3
        T1082

        Peripheral Device Discovery

        1
        T1120

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\iroib\jwvtbhm.exe
          Filesize

          218KB

          MD5

          cdc67700f25eaed1417264c4bdec03d3

          SHA1

          56639e9414e6ee8394d940d62778475ddf071290

          SHA256

          fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

          SHA512

          a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

        • C:\ProgramData\iroib\jwvtbhm.exe
          Filesize

          218KB

          MD5

          cdc67700f25eaed1417264c4bdec03d3

          SHA1

          56639e9414e6ee8394d940d62778475ddf071290

          SHA256

          fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

          SHA512

          a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

        • C:\Users\Admin\AppData\Local\Temp\4E6E.exe
          Filesize

          1.1MB

          MD5

          c8beb87469647c6fb577d2bfec8e0fcd

          SHA1

          dcbbd759d34cb4d23c53d67943c47a250ee32767

          SHA256

          c0ada9e11f5005b3b81f34b522c43ef087fb77e1444bfe902bcaf6dfad22e8c6

          SHA512

          678bbc9fcaa886d4babf499303afdbdf737d0e98d830bc404bcd74255742595229fa99c757f2b6c90b729b3fe260faecd2928405aaa641d774fda96fd80870fd

        • C:\Users\Admin\AppData\Local\Temp\4E6E.exe
          Filesize

          1.1MB

          MD5

          c8beb87469647c6fb577d2bfec8e0fcd

          SHA1

          dcbbd759d34cb4d23c53d67943c47a250ee32767

          SHA256

          c0ada9e11f5005b3b81f34b522c43ef087fb77e1444bfe902bcaf6dfad22e8c6

          SHA512

          678bbc9fcaa886d4babf499303afdbdf737d0e98d830bc404bcd74255742595229fa99c757f2b6c90b729b3fe260faecd2928405aaa641d774fda96fd80870fd

        • C:\Users\Admin\AppData\Local\Temp\75CD.exe
          Filesize

          218KB

          MD5

          cdc67700f25eaed1417264c4bdec03d3

          SHA1

          56639e9414e6ee8394d940d62778475ddf071290

          SHA256

          fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100

          SHA512

          a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038

        • C:\Users\Admin\AppData\Local\Temp\75CD.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\gjicffh
          Filesize

          304KB

          MD5

          212817a2439b3d3b034ce5ddf32b69b0

          SHA1

          03097a9a1d2824a16a3a84c4c765c0fc09954153

          SHA256

          38e999b667e1396ec4793fd9bd4f5abfde6f5ef3c5faaebfcd29d345350cf76f

          SHA512

          6ef2ec69f01f97f8e496a3d4d55e6c955cc55674033fd10481259cd3ca35dbda40b1125123a3d07838fa7784a4bc87c9323061cb7ede406efdcfd515736a3b27

        • C:\Users\Admin\AppData\Roaming\gjicffh
          Filesize

          304KB

          MD5

          212817a2439b3d3b034ce5ddf32b69b0

          SHA1

          03097a9a1d2824a16a3a84c4c765c0fc09954153

          SHA256

          38e999b667e1396ec4793fd9bd4f5abfde6f5ef3c5faaebfcd29d345350cf76f

          SHA512

          6ef2ec69f01f97f8e496a3d4d55e6c955cc55674033fd10481259cd3ca35dbda40b1125123a3d07838fa7784a4bc87c9323061cb7ede406efdcfd515736a3b27

        • memory/1784-152-0x0000000000400000-0x000000000045F000-memory.dmp
          Filesize

          380KB

        • memory/1784-177-0x0000000000400000-0x000000000045F000-memory.dmp
          Filesize

          380KB

        • memory/1784-150-0x0000000000559000-0x000000000056A000-memory.dmp
          Filesize

          68KB

        • memory/1784-151-0x0000000000530000-0x0000000000539000-memory.dmp
          Filesize

          36KB

        • memory/1784-147-0x0000000000000000-mapping.dmp
        • memory/1784-161-0x0000000000559000-0x000000000056A000-memory.dmp
          Filesize

          68KB

        • memory/3532-135-0x0000000000728000-0x000000000073E000-memory.dmp
          Filesize

          88KB

        • memory/3532-137-0x0000000000400000-0x0000000000452000-memory.dmp
          Filesize

          328KB

        • memory/3532-133-0x0000000000510000-0x0000000000519000-memory.dmp
          Filesize

          36KB

        • memory/3532-132-0x0000000000728000-0x000000000073E000-memory.dmp
          Filesize

          88KB

        • memory/3532-136-0x0000000000510000-0x0000000000519000-memory.dmp
          Filesize

          36KB

        • memory/3532-134-0x0000000000400000-0x0000000000452000-memory.dmp
          Filesize

          328KB

        • memory/4032-167-0x000001D4EF0E0000-0x000001D4EF220000-memory.dmp
          Filesize

          1.2MB

        • memory/4032-169-0x000001D4ED710000-0x000001D4ED93A000-memory.dmp
          Filesize

          2.2MB

        • memory/4032-168-0x00000000003E0000-0x00000000005F9000-memory.dmp
          Filesize

          2.1MB

        • memory/4032-165-0x00007FF79B0D6890-mapping.dmp
        • memory/4032-166-0x000001D4EF0E0000-0x000001D4EF220000-memory.dmp
          Filesize

          1.2MB

        • memory/4264-176-0x0000000000400000-0x0000000000452000-memory.dmp
          Filesize

          328KB

        • memory/4264-175-0x0000000000738000-0x000000000074D000-memory.dmp
          Filesize

          84KB

        • memory/4264-178-0x0000000000400000-0x0000000000452000-memory.dmp
          Filesize

          328KB

        • memory/4724-143-0x0000000000000000-mapping.dmp
        • memory/4724-154-0x0000000004BB0000-0x00000000052D5000-memory.dmp
          Filesize

          7.1MB

        • memory/4724-164-0x0000000005549000-0x000000000554B000-memory.dmp
          Filesize

          8KB

        • memory/4724-162-0x00000000054D0000-0x0000000005610000-memory.dmp
          Filesize

          1.2MB

        • memory/4724-160-0x00000000054D0000-0x0000000005610000-memory.dmp
          Filesize

          1.2MB

        • memory/4724-159-0x00000000054D0000-0x0000000005610000-memory.dmp
          Filesize

          1.2MB

        • memory/4724-156-0x00000000054D0000-0x0000000005610000-memory.dmp
          Filesize

          1.2MB

        • memory/4724-155-0x00000000054D0000-0x0000000005610000-memory.dmp
          Filesize

          1.2MB

        • memory/4724-153-0x0000000004BB0000-0x00000000052D5000-memory.dmp
          Filesize

          7.1MB

        • memory/4724-163-0x00000000054D0000-0x0000000005610000-memory.dmp
          Filesize

          1.2MB

        • memory/4724-172-0x0000000004BB0000-0x00000000052D5000-memory.dmp
          Filesize

          7.1MB

        • memory/4796-171-0x0000000000400000-0x000000000045F000-memory.dmp
          Filesize

          380KB

        • memory/4796-170-0x00000000005E2000-0x00000000005F3000-memory.dmp
          Filesize

          68KB

        • memory/5092-146-0x0000000000400000-0x000000000053E000-memory.dmp
          Filesize

          1.2MB

        • memory/5092-142-0x0000000002370000-0x00000000024A0000-memory.dmp
          Filesize

          1.2MB

        • memory/5092-141-0x0000000002273000-0x0000000002362000-memory.dmp
          Filesize

          956KB

        • memory/5092-138-0x0000000000000000-mapping.dmp