Analysis
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max time kernel
151s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2022 17:06
Static task
static1
Behavioral task
behavioral1
Sample
c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe
Resource
win10v2004-20220901-en
General
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Target
c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe
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Size
204KB
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MD5
936f5159177283eae45476f127919f57
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SHA1
cdb9aecfbd0f65d6ace73d27f7d64e24b6c8a987
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SHA256
c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99
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SHA512
911481b30ada46443f137df454ba3419654d9d3786e796ee41901eda36fd4c107664f403dd43e959c8d1cc9bea9f8a5e89648f1f248fc9f2e83ac6eb91aa7a3b
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SSDEEP
3072:CmMW8UX0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWSr:tB74QxL7B9W0c1RCzR/fSmlr
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" c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" boxew.exe -
Executes dropped EXE 1 IoCs
pid Process 4336 boxew.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 c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /m" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /x" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /d" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /t" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /b" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /n" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /j" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /g" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /y" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /l" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /f" boxew.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /s" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /k" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /p" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /e" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /z" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /w" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /r" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /u" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /a" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /m" c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /q" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /v" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /c" boxew.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /h" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /o" boxew.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boxew = "C:\\Users\\Admin\\boxew.exe /i" boxew.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 636 c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe 636 c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe 4336 boxew.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 636 c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe 4336 boxew.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 636 wrote to memory of 4336 636 c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe 82 PID 636 wrote to memory of 4336 636 c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe 82 PID 636 wrote to memory of 4336 636 c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.exe"C:\Users\Admin\AppData\Local\Temp\c391a1138c6fb7e7f249e08a49759eed7505dee9ca7469827e14bae01adb0f99.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:636 -
C:\Users\Admin\boxew.exe"C:\Users\Admin\boxew.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:4336
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
204KB
MD502f2a9ce68be2a8f109200c43fa09029
SHA1fba02424c2dcb1bddd3863b83cb4f2774926c643
SHA256dfdb75530ffe2aa55563b815913dd7a6c39ed2e00adfad564d99b891b8d218ca
SHA51297304cb15ac52160f9c55a93afc1bc3c2ac1d7013cd9a95745fba8abdcbc8ac61c0ba9586f5d4b19ccc9b0cb3647ad9439ac4bc6772754543d2f977a92f1bcbd
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Filesize
204KB
MD502f2a9ce68be2a8f109200c43fa09029
SHA1fba02424c2dcb1bddd3863b83cb4f2774926c643
SHA256dfdb75530ffe2aa55563b815913dd7a6c39ed2e00adfad564d99b891b8d218ca
SHA51297304cb15ac52160f9c55a93afc1bc3c2ac1d7013cd9a95745fba8abdcbc8ac61c0ba9586f5d4b19ccc9b0cb3647ad9439ac4bc6772754543d2f977a92f1bcbd