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Analysis

  • max time kernel
    11s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2024, 08:32

General

  • Target

    e03f8c459fed4f5579b51ccfaec32b2c5d6eaf01bdc14df9ec0531586a7b5abfN.exe

  • Size

    196KB

  • MD5

    1437986dcc72bff639730b5ddcd5c4e0

  • SHA1

    24efe4c5205aad98429b396d808ee0ae569509bb

  • SHA256

    e03f8c459fed4f5579b51ccfaec32b2c5d6eaf01bdc14df9ec0531586a7b5abf

  • SHA512

    9921904331e31a0bd1a7acae2da2d98a76a4b418119b699624c0e23ceea913a7362e1bb80ea3dd67cd0bf7f9aed27d6305783270494a47ce75467007f3394fbe

  • SSDEEP

    3072:habfe4OIN3HWlSSUGtic36N2lQBV+UdE+rECWp7hKeNSe:hEeK4SJGtDKxBV+UdvrEFp7hKm

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Floxif family
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Detects Floxif payload 1 IoCs
  • Disables RegEdit via registry modification 3 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 12 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Drops startup file 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 15 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 22 IoCs
  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\e03f8c459fed4f5579b51ccfaec32b2c5d6eaf01bdc14df9ec0531586a7b5abfN.exe
            "C:\Users\Admin\AppData\Local\Temp\e03f8c459fed4f5579b51ccfaec32b2c5d6eaf01bdc14df9ec0531586a7b5abfN.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Drops startup file
            • Loads dropped DLL
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2348
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O17171Z\service.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O17171Z\service.exe"
              3⤵
              • Drops startup file
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in System32 directory
              • Drops file in Program Files directory
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2668
            • C:\Windows\M70273\smss.exe
              "C:\Windows\M70273\smss.exe"
              3⤵
              • Modifies WinLogon for persistence
              • Modifies visibility of file extensions in Explorer
              • Modifies visiblity of hidden/system files in Explorer
              • Disables RegEdit via registry modification
              • Event Triggered Execution: Image File Execution Options Injection
              • Drops startup file
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • Enumerates connected drives
              • Drops file in System32 directory
              • Drops file in Program Files directory
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2652
            • C:\Windows\M70273\EmangEloh.exe
              "C:\Windows\M70273\EmangEloh.exe"
              3⤵
              • Modifies WinLogon for persistence
              • Modifies visibility of file extensions in Explorer
              • Modifies visiblity of hidden/system files in Explorer
              • Disables RegEdit via registry modification
              • Event Triggered Execution: Image File Execution Options Injection
              • Drops startup file
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • Enumerates connected drives
              • Drops file in System32 directory
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2708
            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O17171Z\winlogon.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O17171Z\winlogon.exe"
              3⤵
              • Modifies WinLogon for persistence
              • Modifies firewall policy service
              • Modifies visibility of file extensions in Explorer
              • Modifies visiblity of hidden/system files in Explorer
              • UAC bypass
              • Windows security bypass
              • Disables RegEdit via registry modification
              • Event Triggered Execution: Image File Execution Options Injection
              • Deletes itself
              • Drops startup file
              • Executes dropped EXE
              • Loads dropped DLL
              • Windows security modification
              • Adds Run key to start application
              • Checks whether UAC is enabled
              • Enumerates connected drives
              • Drops file in System32 directory
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • System policy modification
              PID:1728
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2028

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\A1D26E2\B53BA24A6C.tmp

            Filesize

            120KB

            MD5

            f5d015d85a20e76a31a0c0edb852c346

            SHA1

            9bcd858e1840bb15718ab0adae9e66b2a9f2f122

            SHA256

            af7f880b56a0a676d32369d8bcfb19cc4be633d8073e69feb0c42d7ecd8b0790

            SHA512

            727f8e373749ba7f7a155e75bf5f007039b15ff45be3fe3b4ed2a5bfd5892bef1112a3532c23f0752e702e11de66d3ba2a40cb612b287e8793470d25959a2ade

          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O17171Z\service.exe

            Filesize

            196KB

            MD5

            1437986dcc72bff639730b5ddcd5c4e0

            SHA1

            24efe4c5205aad98429b396d808ee0ae569509bb

            SHA256

            e03f8c459fed4f5579b51ccfaec32b2c5d6eaf01bdc14df9ec0531586a7b5abf

            SHA512

            9921904331e31a0bd1a7acae2da2d98a76a4b418119b699624c0e23ceea913a7362e1bb80ea3dd67cd0bf7f9aed27d6305783270494a47ce75467007f3394fbe

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            21a3615cd4a7266d1d7a3c5f03bd616d

            SHA1

            12b172cd6edd5e2f7f10d042325b34c5f8ac0ee1

            SHA256

            df30e048a3af903c9dbb169e07eadf869fece3960c11f958a1bdeca7fef20fde

            SHA512

            e7fd6486a7d16bf7293be9c6c305d19723d13315e6cffafaebf5f11fc26e390010e25bd505c01ad336ccf11adc0a0e9d98d08b1c374ead4efaaf4c9ab32ceacd

          • C:\Windows\[TheMoonlight].txt

            Filesize

            109B

            MD5

            68c7836c8ff19e87ca33a7959a2bdff5

            SHA1

            cc5d0205bb71c10bbed22fe47e59b1f6817daab7

            SHA256

            883b19ec550f7ddb1e274a83d58d66c771ab10fefd136bab79483f2eb84e7fec

            SHA512

            3656005148788ed7ac8f5b5f8f6f4736c2dc4a94771291170e61666beb81e63be2a1a0f2913233b0e3f12ddfa7f1e89da9cd8323306413395ee78b2ece7fbfe8

          • C:\Windows\system\msvbvm60.dll

            Filesize

            1.3MB

            MD5

            5343a19c618bc515ceb1695586c6c137

            SHA1

            4dedae8cbde066f31c8e6b52c0baa3f8b1117742

            SHA256

            2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

            SHA512

            708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

          • \Program Files\Common Files\System\symsrv.dll

            Filesize

            67KB

            MD5

            7574cf2c64f35161ab1292e2f532aabf

            SHA1

            14ba3fa927a06224dfe587014299e834def4644f

            SHA256

            de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

            SHA512

            4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

          • memory/1108-20-0x0000000000250000-0x0000000000252000-memory.dmp

            Filesize

            8KB

          • memory/1728-192-0x00000000028A0000-0x000000000392E000-memory.dmp

            Filesize

            16.6MB

          • memory/1728-198-0x00000000028A0000-0x000000000392E000-memory.dmp

            Filesize

            16.6MB

          • memory/1728-195-0x00000000028A0000-0x000000000392E000-memory.dmp

            Filesize

            16.6MB

          • memory/1728-197-0x00000000028A0000-0x000000000392E000-memory.dmp

            Filesize

            16.6MB

          • memory/1728-194-0x00000000028A0000-0x000000000392E000-memory.dmp

            Filesize

            16.6MB

          • memory/1728-199-0x00000000028A0000-0x000000000392E000-memory.dmp

            Filesize

            16.6MB

          • memory/1728-357-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2348-15-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-28-0x0000000002860000-0x0000000002861000-memory.dmp

            Filesize

            4KB

          • memory/2348-1-0x0000000000401000-0x0000000000402000-memory.dmp

            Filesize

            4KB

          • memory/2348-19-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-33-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2348-18-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-35-0x0000000002850000-0x0000000002852000-memory.dmp

            Filesize

            8KB

          • memory/2348-32-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-36-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-34-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-59-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2348-16-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-88-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2348-0-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2348-83-0x0000000000401000-0x0000000000402000-memory.dmp

            Filesize

            4KB

          • memory/2348-81-0x0000000005FF0000-0x000000000601D000-memory.dmp

            Filesize

            180KB

          • memory/2348-72-0x0000000005FF0000-0x0000000006000000-memory.dmp

            Filesize

            64KB

          • memory/2348-102-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2348-168-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2348-169-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2348-5-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2348-7-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2348-151-0x00000000068F0000-0x000000000691D000-memory.dmp

            Filesize

            180KB

          • memory/2348-14-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-27-0x0000000002850000-0x0000000002852000-memory.dmp

            Filesize

            8KB

          • memory/2348-31-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-154-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-30-0x0000000002860000-0x0000000002861000-memory.dmp

            Filesize

            4KB

          • memory/2348-155-0x0000000002850000-0x0000000002852000-memory.dmp

            Filesize

            8KB

          • memory/2348-17-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-9-0x00000000029C0000-0x0000000003A4E000-memory.dmp

            Filesize

            16.6MB

          • memory/2348-10-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2348-8-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2652-246-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2652-221-0x0000000004050000-0x0000000004051000-memory.dmp

            Filesize

            4KB

          • memory/2652-578-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2652-335-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2652-99-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2652-121-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2652-101-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2652-245-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2668-98-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2668-244-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2668-100-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2668-215-0x0000000003080000-0x0000000003081000-memory.dmp

            Filesize

            4KB

          • memory/2668-257-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2668-87-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2668-152-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-145-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2708-144-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2708-348-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB