Analysis
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max time kernel
152s -
max time network
100s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 02:44
Static task
static1
Behavioral task
behavioral1
Sample
a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe
Resource
win10v2004-20220901-en
General
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Target
a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe
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Size
252KB
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MD5
61dc4c99c869c2d5e470ec6c634596b9
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SHA1
1aa6efa6a11a8b0971f91dc4acc612c2f22eb4b6
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SHA256
a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390
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SHA512
986d508856c69d193cbc5eaaa6f8429c68114546772958e114a4920732f0049322d2fc64da6b4118551860d1962e1aa3a2be9d86bd7c161659813f99d4818ac9
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SSDEEP
6144:2KloVsOi3E8S7SLDvVYhlEMxqi4riPFs/eQkl:Nloex3E8S7SLDvVYhlEMxqi4riPFs/Rk
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" biaraq.exe -
Executes dropped EXE 1 IoCs
pid Process 952 biaraq.exe -
Loads dropped DLL 2 IoCs
pid Process 1808 a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe 1808 a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /l" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /K" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /i" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /u" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /r" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /z" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /m" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /R" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /I" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /Y" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /U" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /T" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /p" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /h" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /x" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /s" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /V" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /Z" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /a" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /J" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /H" biaraq.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /w" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /P" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /O" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /C" a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /A" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /d" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /b" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /M" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /W" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /S" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /N" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /X" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /v" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /G" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /C" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /n" biaraq.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /k" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /q" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /t" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /F" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /c" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /Q" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /B" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /o" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /g" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /E" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /L" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /e" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /y" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /j" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /D" biaraq.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaraq = "C:\\Users\\Admin\\biaraq.exe /f" biaraq.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 a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe 952 biaraq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1808 a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe 952 biaraq.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1808 wrote to memory of 952 1808 a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe 28 PID 1808 wrote to memory of 952 1808 a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe 28 PID 1808 wrote to memory of 952 1808 a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe 28 PID 1808 wrote to memory of 952 1808 a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe"C:\Users\Admin\AppData\Local\Temp\a5b7d942203b0a3d45038354ed4a267aa3f91850d383d07e04b0af5f9a7cc390.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Users\Admin\biaraq.exe"C:\Users\Admin\biaraq.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:952
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
252KB
MD54ea118758d1758d7858b937f80c65eb6
SHA12c06f5749a3df795227a675ae07269d031ea7d5f
SHA2565030e95ed3ce3765d490dde3d019bec3f6f3eaf4afc8ec64e5ccdb31bb93f4fb
SHA512ec0fba5137ae452683e23561773c9daa14dda4c7f99b9027a35fe5207a0ffe2c1e7acfe46a96fae4a291d271cd4d9fca889e7b4616ac42cd6a1705b558ab0589
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Filesize
252KB
MD54ea118758d1758d7858b937f80c65eb6
SHA12c06f5749a3df795227a675ae07269d031ea7d5f
SHA2565030e95ed3ce3765d490dde3d019bec3f6f3eaf4afc8ec64e5ccdb31bb93f4fb
SHA512ec0fba5137ae452683e23561773c9daa14dda4c7f99b9027a35fe5207a0ffe2c1e7acfe46a96fae4a291d271cd4d9fca889e7b4616ac42cd6a1705b558ab0589
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Filesize
252KB
MD54ea118758d1758d7858b937f80c65eb6
SHA12c06f5749a3df795227a675ae07269d031ea7d5f
SHA2565030e95ed3ce3765d490dde3d019bec3f6f3eaf4afc8ec64e5ccdb31bb93f4fb
SHA512ec0fba5137ae452683e23561773c9daa14dda4c7f99b9027a35fe5207a0ffe2c1e7acfe46a96fae4a291d271cd4d9fca889e7b4616ac42cd6a1705b558ab0589
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Filesize
252KB
MD54ea118758d1758d7858b937f80c65eb6
SHA12c06f5749a3df795227a675ae07269d031ea7d5f
SHA2565030e95ed3ce3765d490dde3d019bec3f6f3eaf4afc8ec64e5ccdb31bb93f4fb
SHA512ec0fba5137ae452683e23561773c9daa14dda4c7f99b9027a35fe5207a0ffe2c1e7acfe46a96fae4a291d271cd4d9fca889e7b4616ac42cd6a1705b558ab0589