Analysis
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max time kernel
120s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
02-10-2024 16:22
General
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Target
6b163e3d71cacd4ab904745d3c1fb61dcba4f61ca2e737bf14c266370758b583N.exe
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Size
434KB
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MD5
404250c802183c1d87eee4fb1ea99a20
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SHA1
1c6f628f57b10cc26ba42ab6cf248a4098e28a3a
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SHA256
6b163e3d71cacd4ab904745d3c1fb61dcba4f61ca2e737bf14c266370758b583
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SHA512
a3dee82943f48697d31629311660dbe56093d287f109cfd8238c43fdbf10dfeb9d4dc82b5eed3390e2e44292ebbd3af6552162db42a68f857e0a35d551ba11a6
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SSDEEP
6144:UsLqdufVUNDavZbKhDqacbA4OEwr/iEk72C0RtWsTBV+UdvrEFp7hKw:PFUNDavVSDJc8HEj74RtLBjvrEH7Z
Malware Config
Signatures
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Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
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Detects Floxif payload 1 IoCs
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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.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
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Executes dropped EXE 6 IoCs
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Loads dropped DLL 8 IoCs
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Adds Run key to start application 2 TTPs 4 IoCs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Drops file in System32 directory 2 IoCs
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UPX packed file 16 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Drops file in Program Files directory 2 IoCs
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Drops file in Windows directory 5 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 2 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of SetWindowsHookEx 14 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\6b163e3d71cacd4ab904745d3c1fb61dcba4f61ca2e737bf14c266370758b583N.exe"C:\Users\Admin\AppData\Local\Temp\6b163e3d71cacd4ab904745d3c1fb61dcba4f61ca2e737bf14c266370758b583N.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\users\admin\appdata\local\temp\6b163e3d71cacd4ab904745d3c1fb61dcba4f61ca2e737bf14c266370758b583n.exec:\users\admin\appdata\local\temp\6b163e3d71cacd4ab904745d3c1fb61dcba4f61ca2e737bf14c266370758b583n.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
510KB
MD535457dbbf599833fdd501b7d69bc0c40
SHA17d30338f3e7b58a13aeb395542dbb2e769d14327
SHA2567a404b344df23f3cd97e353a2525d2f1ca3c1636debafa75beb14212e7e531d4
SHA512cd69afd26aa99321b1ae918a378ced2ee203bb19ebcf7b07f55c124356928405273e0de7d6b06d8770f100236ea0f761848a29a2a9e826482ebfd29950b71445
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Filesize
299KB
MD53adba60b5a53a6b82b736f76a1a74885
SHA1e8b3172c4b9522efdcb68ef6b17434c83f274a7b
SHA256384a1de17e4201b2e6be7685c8b79faed9b1632e6175c8c0128f469a6906bc15
SHA5128b1161fcbb35a34d50f005a53a981790f6495eb350cb1f9eb258eb5c5f8efeb965606896f07c872c4279e3fc1e21172df1246bdfa5bcb941173f0ab04af3f2ba
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Filesize
135KB
MD5d0f828890e52c87e138c645407657eac
SHA1d02a650a2dfcf2695cda0d421487aaee701a32ee
SHA256af916a4cb93ab5670b9d63c73099c2bdaac780e1dc9c220d2d4469a2e4e14696
SHA512645151b66a5703982dd1754d8cfb066ebb7c5aa18b46f076924036ef4fb523578c15ee1df8c0cf28aabbf50503fa38b6d4ab88ba27490cc35b772d8fbb1b7bb1
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Filesize
135KB
MD5d5d758c4f3f443a2c960af5169e3730b
SHA139d9c42c4b3b1836ca349ab5c0bb336503e037ab
SHA25657a7203209ccb9fe41bf4ea3c7c112d2c62a64466e2e421c0d1d1ac2af03a1cb
SHA5126a238f6d50410c278e4bfc27a27858c4f83bf6ef0b0531ed207e4ea23ee64cb07d5fde6a2279c25d1032929a30d40c0c0a20c84141a399a98d17bb8618729d81
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Filesize
135KB
MD59059e791a18981ba5a56589dc2462ae2
SHA132991f92c31a56142bc00b0e4eb57db9b4f442c7
SHA2560bbb8995570dae5286d00853a7d7585256acce0ae78360f47aa33984d4dea147
SHA512c7e46eacd79c2b2f315f2405c284a58c425d89844f0c8ddc012a2c8b9a1a6fd427c6dc89bb48bde54815324c2df2ece9e25da58c5692abee7f6203e403b30fee
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Filesize
135KB
MD550a6c78538aa3df98c2d93df52a90515
SHA175395d2eaf96e0eb9ff6162ac33cc478d165f3ec
SHA2566e57c9a071c0c3156d5b01a07a0706929ca83bfd21dc2a4587781be30bd78ad9
SHA51283b59aea6e396c22b0d08355911f44260aa37904eaafda05789bdab95e30b99181d5dbd7bc4b1090f3aa33f539077c475203e9a75a7d18f859d278385c902cf3
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Filesize
124KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
-
Filesize
124KB
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Filesize
192KB
-
Filesize
192KB
-
Filesize
124KB
-
Filesize
124KB
-
Filesize
192KB
-
Filesize
124KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
124KB
-
Filesize
192KB
-
Filesize
124KB
-
Filesize
192KB
-
Filesize
124KB
-
Filesize
124KB
-
Filesize
192KB
-
Filesize
192KB
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Filesize
12KB
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Filesize
624KB
-
Filesize
624KB
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Filesize
12KB
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Filesize
192KB
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Filesize
624KB
-
Filesize
192KB
-
Filesize
192KB
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Filesize
124KB