Analysis
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max time kernel
127s -
max time network
144s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
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submitted
23-08-2023 04:12
General
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Target
Wps.exe
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Size
4.2MB
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MD5
6f5df8e00902ba60401c69463d280ba7
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SHA1
7183d6a403bf51a61dbf37196ec9e0b2cb15779d
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SHA256
de33644dcb241185d89c7606a8fc7239a274ad277c7b9abf5778736edcb674a9
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SHA512
1a0fce1f96235997b8144f5e016050413cd74db2fdc90d9fc2fa30db173a3053e9cc141e88b65624f64c03929d07c9acdd3bacdfc94e406e659023232b7ea386
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SSDEEP
98304:n2Jg31PBVygltLW1fvbG05DOyq/FwZ7aujE+tfxe:2Jw1+glta1fvb/NOHwZ3jE+tfc
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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Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
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UPX packed file 9 IoCs
Detects executables packed with UPX/modified UPX open source 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 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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)\uu6.exe"C:\Program Files (x86)\uu6.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⤵
- Executes dropped EXE
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD546a9d07a97b5b35bfb3d61509b4110bb
SHA1a4fc26da50e1f06782fbfb1a46368600e881c66e
SHA2567916c0b39135619a5f8cbc0c71ea762e6e65624c7c85ccd5900039bbb5e056ba
SHA51250a4adcf22cacf43df14fc6e7730cce535f3718775aaee6fc5b71f80db6cdd66a8738dcf71daa09b199b1066d880942215d67fb986c37ba6998a11210681101a
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Filesize
1.3MB
MD546a9d07a97b5b35bfb3d61509b4110bb
SHA1a4fc26da50e1f06782fbfb1a46368600e881c66e
SHA2567916c0b39135619a5f8cbc0c71ea762e6e65624c7c85ccd5900039bbb5e056ba
SHA51250a4adcf22cacf43df14fc6e7730cce535f3718775aaee6fc5b71f80db6cdd66a8738dcf71daa09b199b1066d880942215d67fb986c37ba6998a11210681101a
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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
MD56894403c7124ed7b24d6a6fc7158cb4e
SHA1802290c110dd05631e2dda8ba18bfbfccaa10331
SHA25621d81876aa65d400a3569f3db177435718f94aa7e7e47448319e704894b17f72
SHA51238e7214f8cf1944650512d53fbb03f9de8ff5c52717445b376f603a462ea55ddd8a199a71f00d4b0b293271c475fc72a111ff9028e5029e72d85a39bfa4c2f01
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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
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
2.5MB
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Filesize
2.5MB
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Filesize
2.5MB
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Filesize
2.5MB
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Filesize
508KB
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Filesize
508KB
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Filesize
508KB
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Filesize
192KB
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Filesize
192KB
-
Filesize
192KB
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Filesize
192KB
-
Filesize
168KB
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Filesize
4KB
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Filesize
4KB
-
Filesize
8KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8KB
-
Filesize
4KB
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB
-
Filesize
4KB
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Filesize
4KB
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Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
4KB
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Filesize
2.6MB
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Filesize
4KB
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Filesize
2.6MB
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Filesize
2.6MB