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Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
21/02/2024, 03:53
Static task
static1
Behavioral task
behavioral1
Sample
a72d511440bc3d2df8c91e072b8033709cd08e42be66ef8205776f1e200fbad5.sh
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
a72d511440bc3d2df8c91e072b8033709cd08e42be66ef8205776f1e200fbad5.sh
Resource
win10v2004-20231215-en
General
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Target
a72d511440bc3d2df8c91e072b8033709cd08e42be66ef8205776f1e200fbad5.sh
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Size
1KB
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MD5
c0d4438a5d13113144d7f5e2934f04a5
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SHA1
0ae10851463cfd270d538f00e3f06b0c1d364e34
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SHA256
a72d511440bc3d2df8c91e072b8033709cd08e42be66ef8205776f1e200fbad5
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SHA512
6401c0473be2e9d3d1271d53d649176737f3811ad53762134ccd06dbb4ac60254e12fd9aedf0960277047ea5fd64324e2256aef06d44852dd1c4b0fac1c24db6
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.sh\ = "sh_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\shell\Read rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.sh rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\sh_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2544 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2544 AcroRd32.exe 2544 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2924 wrote to memory of 2548 2924 cmd.exe 29 PID 2924 wrote to memory of 2548 2924 cmd.exe 29 PID 2924 wrote to memory of 2548 2924 cmd.exe 29 PID 2548 wrote to memory of 2544 2548 rundll32.exe 30 PID 2548 wrote to memory of 2544 2548 rundll32.exe 30 PID 2548 wrote to memory of 2544 2548 rundll32.exe 30 PID 2548 wrote to memory of 2544 2548 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\a72d511440bc3d2df8c91e072b8033709cd08e42be66ef8205776f1e200fbad5.sh1⤵
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\a72d511440bc3d2df8c91e072b8033709cd08e42be66ef8205776f1e200fbad5.sh2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\a72d511440bc3d2df8c91e072b8033709cd08e42be66ef8205776f1e200fbad5.sh"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2544
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD58f2e74783867806c61f502f92180a323
SHA19f7b33f065f5dab3262c55bb857b027a6de89cfe
SHA25619920fcc44a58eb3456565cc02463f957de0a54ef20f640e9ef7bf1f46246e85
SHA512dfac80f8a2207bc6a094e6f1cac966f7199b30bb87a0b5769ef704016f9310d89d685e8f783e5cdaf85d83c314d873ffdf39960cfcaf9003393ab37f8eca7adb