Analysis
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max time kernel
122s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10-05-2024 13:29
Behavioral task
behavioral1
Sample
concrt140.dll
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
concrt140.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
msvcp140.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
msvcp140.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
res_mods/1.23.0.0/scripts/client/gui/mods/mod_a.pyc
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
res_mods/1.23.0.0/scripts/client/gui/mods/mod_a.pyc
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
setup.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
setup.exe
Resource
win10v2004-20240426-en
General
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Target
res_mods/1.23.0.0/scripts/client/gui/mods/mod_a.pyc
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Size
114KB
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MD5
a2f3ded45da8870e93e5d2186dab27e8
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SHA1
3f8e0cddecc3827b33ec02cd78d192c18f1ddf82
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SHA256
fc19237a4e9ae65829dbde384ce0de2c78b22d9577384dded9d4cde569a12742
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SHA512
438621491061c7f14f59c48d0d2fdd637a17c058df13417e21d660d81632dbb826a6144032f6f9192ab9bb0afb46b8f6cf3982879dc9942261c2538dbd17187c
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SSDEEP
3072:k6BVH7SBjeSCbupKVfG2yQJ23J+Svsy9k/TukuPMh:zrbKeWmDyQ+13kOPMh
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-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2712 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2712 AcroRd32.exe 2712 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2020 wrote to memory of 2700 2020 cmd.exe 29 PID 2020 wrote to memory of 2700 2020 cmd.exe 29 PID 2020 wrote to memory of 2700 2020 cmd.exe 29 PID 2700 wrote to memory of 2712 2700 rundll32.exe 30 PID 2700 wrote to memory of 2712 2700 rundll32.exe 30 PID 2700 wrote to memory of 2712 2700 rundll32.exe 30 PID 2700 wrote to memory of 2712 2700 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2700 -
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\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2712
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5cf179748c4ac2da6ecfab7f0e8890ee6
SHA12e30ff31e287e78f8b0d4a59fe0d31197406d4a7
SHA25680f45ed5a9d13d354d46895f1b4de8404a9ef57a6a91d9f2729a7fe4acc7ff0d
SHA51225972c25b5e95530038d6d136c1eb3b5aa01b386aa19fa3ee2ff748b2989e3e2d5d7f3cbc1b3b0aba17a1b9cc4b37b68ffa4a28af732bd5513a7c8591f9d4d32