Analysis
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max time kernel
152s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04/10/2022, 03:46
Static task
static1
Behavioral task
behavioral1
Sample
bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe
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Size
172KB
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MD5
0011d758ae7c5ba2efde5e0331944592
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SHA1
227262df79e9c05d33de6a28b847262dec6788e3
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SHA256
bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68
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SHA512
f0ae9ff70699859e831e937eaab7ef71e8e0b3b7ab3e042edf664813e1aeca49f1c8e552a2038921a1c149246431a145e06a8e7352514358cb10bcbe009ebfec
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SSDEEP
3072:8Pb4kXsggdXoszSIRkaRenJ9HVNa3j2VA8TWHjKZwzX3RfyY3WRv3E3io:8TrXTgdXoszSIRkaRenJ9HVNm2VA8TWY
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" hfsaaj.exe -
Executes dropped EXE 1 IoCs
pid Process 1808 hfsaaj.exe -
Loads dropped DLL 2 IoCs
pid Process 1368 bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe 1368 bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /A" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /y" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /P" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /t" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /T" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /Y" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /R" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /d" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /S" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /i" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /L" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /b" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /G" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /H" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /E" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /s" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /K" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /Z" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /c" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /O" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /C" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /h" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /I" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /B" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /u" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /l" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /N" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /U" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /V" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /f" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /n" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /J" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /D" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /F" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /a" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /w" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /z" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /g" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /o" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /v" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /j" hfsaaj.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /Q" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /r" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /m" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /W" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /x" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /p" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /q" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /k" hfsaaj.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\hfsaaj = "C:\\Users\\Admin\\hfsaaj.exe /e" hfsaaj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe 1808 hfsaaj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1368 bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe 1808 hfsaaj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1368 wrote to memory of 1808 1368 bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe 27 PID 1368 wrote to memory of 1808 1368 bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe 27 PID 1368 wrote to memory of 1808 1368 bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe 27 PID 1368 wrote to memory of 1808 1368 bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe"C:\Users\Admin\AppData\Local\Temp\bb967c16344b95a5ced5bd99a559d82a74f9cf308fa9a28690afbf18f2700d68.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Users\Admin\hfsaaj.exe"C:\Users\Admin\hfsaaj.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1808
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
172KB
MD55930af9790fe5f99c63c3d2b50af398a
SHA1fd57c53294b75dc177688d5b6be7284c658453e6
SHA2564d16859ca0a6be9b40ce8e37b5a302a742f7b19439edea1d5e7cc173ab58bbee
SHA5128c95dfd75a0afae84f9faad03e47f4741e1f9b46c58ca33b32ad6f65a230004f6a28a14797c618f0785ea82d111e5b7e153384af3dea425471e0d55adf0dfb46
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Filesize
172KB
MD55930af9790fe5f99c63c3d2b50af398a
SHA1fd57c53294b75dc177688d5b6be7284c658453e6
SHA2564d16859ca0a6be9b40ce8e37b5a302a742f7b19439edea1d5e7cc173ab58bbee
SHA5128c95dfd75a0afae84f9faad03e47f4741e1f9b46c58ca33b32ad6f65a230004f6a28a14797c618f0785ea82d111e5b7e153384af3dea425471e0d55adf0dfb46
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Filesize
172KB
MD55930af9790fe5f99c63c3d2b50af398a
SHA1fd57c53294b75dc177688d5b6be7284c658453e6
SHA2564d16859ca0a6be9b40ce8e37b5a302a742f7b19439edea1d5e7cc173ab58bbee
SHA5128c95dfd75a0afae84f9faad03e47f4741e1f9b46c58ca33b32ad6f65a230004f6a28a14797c618f0785ea82d111e5b7e153384af3dea425471e0d55adf0dfb46
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Filesize
172KB
MD55930af9790fe5f99c63c3d2b50af398a
SHA1fd57c53294b75dc177688d5b6be7284c658453e6
SHA2564d16859ca0a6be9b40ce8e37b5a302a742f7b19439edea1d5e7cc173ab58bbee
SHA5128c95dfd75a0afae84f9faad03e47f4741e1f9b46c58ca33b32ad6f65a230004f6a28a14797c618f0785ea82d111e5b7e153384af3dea425471e0d55adf0dfb46