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Analysis

  • max time kernel
    119s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2025, 16:40

General

  • Target

    4a9f8c11487b8dc6a95cd72ce27a3f022c3fa5deefc981f1871b1bd9b2eea167N.exe

  • Size

    140KB

  • MD5

    12de2869d5074ab3984e54fc70f940b0

  • SHA1

    f5a6e64293a354a5cfd69f8a8ebd9818e1311a0e

  • SHA256

    4a9f8c11487b8dc6a95cd72ce27a3f022c3fa5deefc981f1871b1bd9b2eea167

  • SHA512

    da9b820f647b7a03b31473bc1b73da6ae1bfee496f83a36c3280bea16122814b40b12654079fdb98e31ff08b6d4e34b93a1651a48631d9297fbfbb665147c81e

  • SSDEEP

    3072:XxbfwkAbfZ2lQBV+UdE+rECWp7hKuNSGi:XFytBV+UdvrEFp7hK1

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

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

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Detects Floxif payload 1 IoCs
  • Disables RegEdit via registry modification 4 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 16 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Drops startup file 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 18 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 8 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 24 IoCs
  • UPX packed file 43 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a9f8c11487b8dc6a95cd72ce27a3f022c3fa5deefc981f1871b1bd9b2eea167N.exe
    "C:\Users\Admin\AppData\Local\Temp\4a9f8c11487b8dc6a95cd72ce27a3f022c3fa5deefc981f1871b1bd9b2eea167N.exe"
    1⤵
    • Drops startup file
    • 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
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O06170Z\service.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O06170Z\service.exe"
      2⤵
      • 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 use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2896
    • C:\Windows\M68262\smss.exe
      "C:\Windows\M68262\smss.exe"
      2⤵
      • 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:2808
    • C:\Windows\M68262\EmangEloh.exe
      "C:\Windows\M68262\EmangEloh.exe"
      2⤵
      • 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 use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3040
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O06170Z\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O06170Z\winlogon.exe"
      2⤵
      • 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 use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • C:\Windows\M68262\EmangEloh.exe

    Filesize

    140KB

    MD5

    12de2869d5074ab3984e54fc70f940b0

    SHA1

    f5a6e64293a354a5cfd69f8a8ebd9818e1311a0e

    SHA256

    4a9f8c11487b8dc6a95cd72ce27a3f022c3fa5deefc981f1871b1bd9b2eea167

    SHA512

    da9b820f647b7a03b31473bc1b73da6ae1bfee496f83a36c3280bea16122814b40b12654079fdb98e31ff08b6d4e34b93a1651a48631d9297fbfbb665147c81e

  • 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

  • \Users\Admin\AppData\Local\Temp\A1D26E2\B5B8BC0BEC.tmp

    Filesize

    64KB

    MD5

    d0824d179d20045967001e30a65684e2

    SHA1

    120be0c0bcb41b1b55d1e48aea7a14e8e807ae8a

    SHA256

    11f04f6be74a26bf5612fe4fedbf220c262cc42450cbddeecd1ca60c1169fd86

    SHA512

    e42ceebbb429a2b2a66483a563b037c2f3dd58bd2d3d07d5a3a5950eaec0a94042ef1455d9b65f952f779f131ae8aeab44f545411b499bc0737c7c8ce69358fa

  • memory/2460-463-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2460-407-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2460-548-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2460-494-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2460-495-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2460-462-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2460-143-0x0000000000220000-0x0000000000250000-memory.dmp

    Filesize

    192KB

  • memory/2460-578-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2460-406-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2460-547-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2460-350-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2460-351-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2460-322-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2460-293-0x0000000000220000-0x0000000000250000-memory.dmp

    Filesize

    192KB

  • memory/2460-292-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2460-577-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2460-142-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2460-623-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2808-319-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-79-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-627-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-574-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-544-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-133-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-491-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-434-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2808-101-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2808-435-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-403-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-130-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2808-347-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2808-318-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2808-80-0x00000000003A0000-0x00000000003D0000-memory.dmp

    Filesize

    192KB

  • memory/2896-541-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-433-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-124-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-316-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-625-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-572-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-571-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-542-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-126-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-317-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-84-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-67-0x0000000000220000-0x0000000000250000-memory.dmp

    Filesize

    192KB

  • memory/2896-135-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-489-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-345-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-400-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-401-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-66-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2896-65-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-432-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2896-57-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3040-546-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-320-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3040-257-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-629-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-576-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-460-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3040-405-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-321-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-461-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-129-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-349-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-493-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3040-270-0x0000000000220000-0x0000000000250000-memory.dmp

    Filesize

    192KB

  • memory/3052-123-0x0000000004740000-0x000000000475C000-memory.dmp

    Filesize

    112KB

  • memory/3052-8-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3052-54-0x00000000027D0000-0x00000000027EC000-memory.dmp

    Filesize

    112KB

  • memory/3052-122-0x0000000004740000-0x000000000475C000-memory.dmp

    Filesize

    112KB

  • memory/3052-53-0x00000000027D0000-0x00000000027EC000-memory.dmp

    Filesize

    112KB

  • memory/3052-46-0x00000000027D0000-0x00000000027E0000-memory.dmp

    Filesize

    64KB

  • memory/3052-7-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3052-139-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3052-78-0x0000000003150000-0x000000000316C000-memory.dmp

    Filesize

    112KB

  • memory/3052-1-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3052-68-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/3052-64-0x0000000003150000-0x000000000316C000-memory.dmp

    Filesize

    112KB

  • memory/3052-83-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3052-5-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/3052-2-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/3052-138-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/3052-77-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB