Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25-05-2024 15:31
Behavioral task
behavioral1
Sample
FlaggexDE.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
FlaggexDE.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
main.pyc
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
main.pyc
Resource
win10v2004-20240426-en
General
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Target
main.pyc
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Size
8KB
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MD5
cd633dce5faa97109af5d8a3dca9955c
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SHA1
6314e39a44476d6f14e30f0df754f267f0dff0e4
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SHA256
2d687bcadc0eedac7092064afd0ff688a2661e06b9adcca45ec08242a6fb33d3
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SHA512
6a149d9fe8e9ef8f7cd9c0e9396a12d86c4afb730a24c0420ab20dd036eee9d5128099df5571fb8b8793326d347ce0be873f642ff60f1c9b79f9adbe634345c8
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SSDEEP
192:056eGBI1UnZDHxUUkkkpEisy6Cdaw24ky6E10Q1VbdDWDZ3xvZeMJB/4i:056e7SnZD1UwCsUkyD10CtdDWDdxheMb
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
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2812 AcroRd32.exe 2812 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2100 wrote to memory of 2560 2100 cmd.exe rundll32.exe PID 2100 wrote to memory of 2560 2100 cmd.exe rundll32.exe PID 2100 wrote to memory of 2560 2100 cmd.exe rundll32.exe PID 2560 wrote to memory of 2812 2560 rundll32.exe AcroRd32.exe PID 2560 wrote to memory of 2812 2560 rundll32.exe AcroRd32.exe PID 2560 wrote to memory of 2812 2560 rundll32.exe AcroRd32.exe PID 2560 wrote to memory of 2812 2560 rundll32.exe AcroRd32.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2560 -
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\main.pyc"3⤵
- Suspicious use of SetWindowsHookEx
PID:2812
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5e9bb3ebaef64bd5e943291af14f42f1c
SHA13f442a2fff94df6e0214b18d0d788126c7a78a4c
SHA256bb438a3cfa192a47fde8487386795004a87bf74c4bfed0b2f6b2ae8eda13b19a
SHA512d81aebc537705199bc513a222a24031ec53ed4986adf4d04f8a4d746acfda6cb9d90eac1c7c9105f6a821ff9a979f73beff8235459cc1d1882ef6582ffb87055