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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
14/10/2022, 10:15
Static task
static1
Behavioral task
behavioral1
Sample
7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe
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Size
344KB
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MD5
6a22ea27f79acb0a81c16b74470dd980
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SHA1
0826df85115ed9cbf4b0ddf4ec4a1f19c69ca5cb
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SHA256
7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977
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SHA512
d8fa5d9748551957cc227d62a746bd344fc11ac7559c4e5b5bfdf9048a3496def434d3e51889de1a45014be925a8f9cf649a258fbbdb0ed7aa66abf5871dde0e
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SSDEEP
6144:t2YUV30T5bG9SWK/fObT/bGidhjhxEF0N3hL7VklVA3MZLhcYm9e4yqyQhNNnSZn:tdUV30T5qwWK/fObT/bGiA0NFVkWMZLF
Score
10/10
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" 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" biaadir.exe -
Executes dropped EXE 1 IoCs
pid Process 1340 biaadir.exe -
Loads dropped DLL 2 IoCs
pid Process 1520 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe 1520 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /k" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /y" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /Z" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /s" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /F" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /p" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /N" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /r" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /G" 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /P" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /o" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /U" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /I" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /h" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /g" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /O" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /G" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /K" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /S" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /l" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /L" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /W" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /M" biaadir.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /z" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /e" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /t" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /u" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /Q" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /Y" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /R" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /w" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /m" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /C" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /c" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /T" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /B" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /X" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /J" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /d" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /H" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /A" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /f" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /j" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /n" biaadir.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /E" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /V" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /b" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /x" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /q" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /a" biaadir.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\biaadir = "C:\\Users\\Admin\\biaadir.exe /D" biaadir.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 1520 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe 1340 biaadir.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1520 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe 1340 biaadir.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1520 wrote to memory of 1340 1520 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe 27 PID 1520 wrote to memory of 1340 1520 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe 27 PID 1520 wrote to memory of 1340 1520 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe 27 PID 1520 wrote to memory of 1340 1520 7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.exe"C:\Users\Admin\AppData\Local\Temp\7fb47e10c997b236359891e027cac8c201d549a1247e6d853976736edb469977.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:1520 -
C:\Users\Admin\biaadir.exe"C:\Users\Admin\biaadir.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:1340
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
344KB
MD5cacc6203356e79f944b294cd37662d83
SHA17c69cd22980fc19946e561b9054ccb1ba96a9b57
SHA25609230e2b3677dde1245922203d9606da6c1a77878e3df9a47db96d5b42f1d55b
SHA512f4cb84223571890b823dd7661e8fcc791ef0cf04be49ab7bc1f0b6a0ae193f85729dbeb4b6470528546e5567e2ce5677caaa9dde47cd9b1ab2d4b583aca973bd
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Filesize
344KB
MD5cacc6203356e79f944b294cd37662d83
SHA17c69cd22980fc19946e561b9054ccb1ba96a9b57
SHA25609230e2b3677dde1245922203d9606da6c1a77878e3df9a47db96d5b42f1d55b
SHA512f4cb84223571890b823dd7661e8fcc791ef0cf04be49ab7bc1f0b6a0ae193f85729dbeb4b6470528546e5567e2ce5677caaa9dde47cd9b1ab2d4b583aca973bd
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Filesize
344KB
MD5cacc6203356e79f944b294cd37662d83
SHA17c69cd22980fc19946e561b9054ccb1ba96a9b57
SHA25609230e2b3677dde1245922203d9606da6c1a77878e3df9a47db96d5b42f1d55b
SHA512f4cb84223571890b823dd7661e8fcc791ef0cf04be49ab7bc1f0b6a0ae193f85729dbeb4b6470528546e5567e2ce5677caaa9dde47cd9b1ab2d4b583aca973bd
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Filesize
344KB
MD5cacc6203356e79f944b294cd37662d83
SHA17c69cd22980fc19946e561b9054ccb1ba96a9b57
SHA25609230e2b3677dde1245922203d9606da6c1a77878e3df9a47db96d5b42f1d55b
SHA512f4cb84223571890b823dd7661e8fcc791ef0cf04be49ab7bc1f0b6a0ae193f85729dbeb4b6470528546e5567e2ce5677caaa9dde47cd9b1ab2d4b583aca973bd