Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 22:41
Static task
static1
Behavioral task
behavioral1
Sample
b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe
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Size
252KB
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MD5
7470da3929046fafcd7cae5ed5b53d27
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SHA1
c9d3e6cbb9459b59b19fd7674ea3015afc5eedd1
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SHA256
b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206
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SHA512
c56aa2bd9d335c00efbac583ee4073112f637df36dba055b5d61dc3e57ace030467dcbd56e8847c04253ee6c4884e80a4214990d35c117e1341684e402518e69
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SSDEEP
3072:lrAcTx7LaXsWvZ0OgRqTAJcLGGO/xuiEyJeOOeGs5oxnkNzQKHT0:lrwFx/ZLA4PmG6d
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" kuesej.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe -
Executes dropped EXE 1 IoCs
pid Process 3168 kuesej.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /x" kuesej.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /J" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /v" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /r" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /z" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /d" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /D" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /E" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /i" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /B" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /S" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /G" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /A" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /g" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /V" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /R" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /F" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /t" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /s" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /o" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /j" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /a" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /I" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /H" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /w" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /u" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /P" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /e" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /c" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /q" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /K" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /Z" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /m" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /U" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /L" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /X" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /Y" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /Q" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /n" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /y" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /b" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /O" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /l" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /h" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /N" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /a" b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /C" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /M" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /k" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /T" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /p" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /W" kuesej.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kuesej = "C:\\Users\\Admin\\kuesej.exe /f" kuesej.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 3916 b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe 3916 b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe 3168 kuesej.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3916 b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe 3168 kuesej.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3916 wrote to memory of 3168 3916 b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe 81 PID 3916 wrote to memory of 3168 3916 b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe 81 PID 3916 wrote to memory of 3168 3916 b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe"C:\Users\Admin\AppData\Local\Temp\b1553875800004384ad9d6870f086ed483c8986855c5de1ac034d241ba222206.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916 -
C:\Users\Admin\kuesej.exe"C:\Users\Admin\kuesej.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:3168
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
252KB
MD512fb25dcacae65fd758a9251e2484e2a
SHA1fd34bad9f2356e97e4c8340b2672839cc5617801
SHA256bc083b57a4325f0ce89b78899e9db458c16263e8e9bd2aa38f02480435afdcdd
SHA512799d35a5331953ee6d5968ef142a6b7a0a75e637b89b5b963c4653e37e605cc434ba3ea76f87a41df72fa50c2e0e1f5802a6556795f9ce5fc43428fa8d68edbc
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Filesize
252KB
MD512fb25dcacae65fd758a9251e2484e2a
SHA1fd34bad9f2356e97e4c8340b2672839cc5617801
SHA256bc083b57a4325f0ce89b78899e9db458c16263e8e9bd2aa38f02480435afdcdd
SHA512799d35a5331953ee6d5968ef142a6b7a0a75e637b89b5b963c4653e37e605cc434ba3ea76f87a41df72fa50c2e0e1f5802a6556795f9ce5fc43428fa8d68edbc