Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
02-08-2024 17:05
Behavioral task
behavioral1
Sample
TeddyPcFiles.rar
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
TeddyPcFiles/Teddy PC (main).exe
Resource
win7-20240729-en
Behavioral task
behavioral3
Sample
TeddyPcApiRequests.pyc
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
main.pyc
Resource
win7-20240704-en
Behavioral task
behavioral5
Sample
TeddyPcFiles/config.json
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
TeddyPcFiles/saved_account_db.json
Resource
win7-20240708-en
General
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Target
TeddyPcFiles/saved_account_db.json
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Size
2B
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MD5
99914b932bd37a50b983c5e7c90ae93b
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SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f
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SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
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SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd
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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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.json rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell\Read rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.json\ = "json_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2828 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2828 AcroRd32.exe 2828 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2500 wrote to memory of 1284 2500 cmd.exe 31 PID 2500 wrote to memory of 1284 2500 cmd.exe 31 PID 2500 wrote to memory of 1284 2500 cmd.exe 31 PID 1284 wrote to memory of 2828 1284 rundll32.exe 33 PID 1284 wrote to memory of 2828 1284 rundll32.exe 33 PID 1284 wrote to memory of 2828 1284 rundll32.exe 33 PID 1284 wrote to memory of 2828 1284 rundll32.exe 33
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\TeddyPcFiles\saved_account_db.json1⤵
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\TeddyPcFiles\saved_account_db.json2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1284 -
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\TeddyPcFiles\saved_account_db.json"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD526ce27245aed7ca77595273dd9bdb133
SHA19fa37a2efef654164b55557d7c901ee14b1b2edf
SHA2561750a982087c42c3bdbd2e1c919b3447bf4461e22cf9b85a438a058ae951de48
SHA512ab62464c1c88d2e93933e2585cd2e7bb4866f13d315e5d9b4e7a6476b2c1bf451d8f16d2416e5fb19ea20309b896dfe79df59ea287399c2a735522d820ea90d4