Overview
overview
10Static
static
7file_x86x6...40.dll
windows7-x64
1file_x86x6...40.dll
windows10-2004-x64
1file_x86x6...le.exe
windows7-x64
10file_x86x6...le.exe
windows10-2004-x64
10file_x86x6...40.dll
windows7-x64
1file_x86x6...40.dll
windows10-2004-x64
1file_x86x6..._a.pyc
windows7-x64
3file_x86x6..._a.pyc
windows10-2004-x64
3Analysis
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max time kernel
121s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
17-05-2024 20:33
Behavioral task
behavioral1
Sample
file_x86x64_release/concrt140.dll
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
file_x86x64_release/concrt140.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
file_x86x64_release/file.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
file_x86x64_release/file.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
file_x86x64_release/msvcp140.dll
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
file_x86x64_release/msvcp140.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
file_x86x64_release/res_mods/1.23.0.0/scripts/client/gui/mods/mod_a.pyc
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
file_x86x64_release/res_mods/1.23.0.0/scripts/client/gui/mods/mod_a.pyc
Resource
win10v2004-20240426-en
General
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Target
file_x86x64_release/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
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_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-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pyc rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 3016 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 3016 AcroRd32.exe 3016 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2900 wrote to memory of 2688 2900 cmd.exe rundll32.exe PID 2900 wrote to memory of 2688 2900 cmd.exe rundll32.exe PID 2900 wrote to memory of 2688 2900 cmd.exe rundll32.exe PID 2688 wrote to memory of 3016 2688 rundll32.exe AcroRd32.exe PID 2688 wrote to memory of 3016 2688 rundll32.exe AcroRd32.exe PID 2688 wrote to memory of 3016 2688 rundll32.exe AcroRd32.exe PID 2688 wrote to memory of 3016 2688 rundll32.exe AcroRd32.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\file_x86x64_release\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\file_x86x64_release\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2688 -
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\file_x86x64_release\res_mods\1.23.0.0\scripts\client\gui\mods\mod_a.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD596a3d2851045e7200859763c1d1295ae
SHA1d5658fde78bfbe5eed9943feef6bbe3fc723b19e
SHA256f91fc8190e670a16f1b6f29c01932c047c9501d3b34a6728b628f400a0531e23
SHA512c787ef1c7b6fa408b4160b6480e9353ba5d66e6e1097d9b8731ddec35dad5113b3172669085e261c90c40f80d7ccf526199f3a9de516ad13b2182aa04577ebdd