Analysis
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max time kernel
126s -
max time network
149s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
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submitted
19-10-2023 15:32
General
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Target
Wps.exe
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Size
8.3MB
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MD5
fa05a54376d3377967e52ba78dee8ba6
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SHA1
3349e0236e886f2c1e69c02eb99b6fbc242f930f
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SHA256
c9cbb955c9c7c0f5b5cb4bce2b7b87b211c2ddd5eb123da663ace4bd6beb3017
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SHA512
ba63752a5900d3ad1e1dcf9c00e99c6295ef9b06e2842ad2384860ace8c61458a483954e13700ff2402db58c6e3c2a759f73b5f5c69967b56fd37ded81f12953
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SSDEEP
196608:6guPOGfSizC2F/LVk6jO521HC3YW4Xxqrlnbt84bYQ8RK:6gKO63zRFqKO2EwXox8E9
Malware Config
Signatures
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FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
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Fatal Rat payload 1 IoCs
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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VMProtect packed file 7 IoCs
Detects executables packed with VMProtect commercial packer.
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Adds Run key to start application 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Suspicious use of SetThreadContext 2 IoCs
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Drops file in Program Files directory 64 IoCs
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Drops file in Windows directory 4 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies registry class 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 6 IoCs
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Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Wps.exe"C:\Users\Admin\AppData\Local\Temp\Wps.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\a5.exe"C:\Program Files (x86)\a5.exe"2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Users\Public\Documents\123\PTvrst.exe"C:\Users\Public\Documents\123\PTvrst.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\WINDOWS\DNomb\spolsvt.exeC:\WINDOWS\DNomb\spolsvt.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Public\Documents\t\spolsvt.exeC:\Users\Public\Documents\t\spolsvt.exe3⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5.6MB
MD548b171f32947aa7fe8752fdbf134c667
SHA1a1ad1fa92b5828965021ad7d0d0a13bba0e51105
SHA25669bd0a71b2a3fcf609ecb92a11a1eb07d2e58f3eb46505309701c5b1655a4ba6
SHA51218d6a054953943ef96748ef6e473f77ac203f17cb81cb4456207f6baf65a5461c7c934eee3d47776b70f489dee6963ed5c1d0aeaec75a517ecbd3d7307abaee1
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Filesize
5.6MB
MD548b171f32947aa7fe8752fdbf134c667
SHA1a1ad1fa92b5828965021ad7d0d0a13bba0e51105
SHA25669bd0a71b2a3fcf609ecb92a11a1eb07d2e58f3eb46505309701c5b1655a4ba6
SHA51218d6a054953943ef96748ef6e473f77ac203f17cb81cb4456207f6baf65a5461c7c934eee3d47776b70f489dee6963ed5c1d0aeaec75a517ecbd3d7307abaee1
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Filesize
1.2MB
MD5d22cfb5bfaeb1503b12b07e53ef0a149
SHA18ea2c85e363f551a159fabd65377affed4e417a1
SHA256260464fb05210cfb30ef7a12d568f75eb781634b251d958cae8911948f6ca360
SHA512151024cb2960b1ee485ded7ccbb753fe368a93fda5699af72e568667fa54bfb0d1732444e7b60efaab6d372204157cdb6abbf8862d0e89d612dd963342215e45
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Filesize
1.2MB
MD5d22cfb5bfaeb1503b12b07e53ef0a149
SHA18ea2c85e363f551a159fabd65377affed4e417a1
SHA256260464fb05210cfb30ef7a12d568f75eb781634b251d958cae8911948f6ca360
SHA512151024cb2960b1ee485ded7ccbb753fe368a93fda5699af72e568667fa54bfb0d1732444e7b60efaab6d372204157cdb6abbf8862d0e89d612dd963342215e45
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Filesize
16KB
MD5cdce4713e784ae069d73723034a957ff
SHA19a393a6bab6568f1a774fb753353223f11367e09
SHA256b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8
SHA5120a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f
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Filesize
16KB
MD5cdce4713e784ae069d73723034a957ff
SHA19a393a6bab6568f1a774fb753353223f11367e09
SHA256b29e48102ecb3d3614e8980a8b8cc63dd2b993c6346f466479244ec2b47b69d8
SHA5120a3a59a305cc2a6fad4e1315b0bcc5a4129595dfe1e8b703363fa02528d2d7c48d3fd22d365708be84a5557cf1916873df9563c454732f93f94a66e7e3b9fb0f
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Filesize
488KB
MD51a829ab10a43c43f1c19b37626cc937a
SHA1690d228cf505c4ef655789fef97ff7634e62ad02
SHA2560e7f8fbe4da4c2dcf93ceabb5271bd753c0ddb0156f303d1bc11cc97ad35fd6f
SHA51234ce05f48584ff3938622f685cf6607d3cc1f8452fbda7a24314187a0694baaac720e46987956451bff14cf675bd68eaa761b750297eba2d5f602e1e3e3f15d0
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Filesize
9KB
MD5523d5c39f9d8d2375c3df68251fa2249
SHA1d4ed365c44bec9246fc1a65a32a7791792647a10
SHA25620e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78
SHA512526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4
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Filesize
9KB
MD5523d5c39f9d8d2375c3df68251fa2249
SHA1d4ed365c44bec9246fc1a65a32a7791792647a10
SHA25620e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78
SHA512526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
192KB
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Filesize
168KB
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Filesize
10.0MB
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Filesize
10.0MB
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Filesize
10.0MB
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Filesize
10.0MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
10.0MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
2.6MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
2.6MB
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Filesize
2.6MB