Analysis
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max time kernel
149s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
01/09/2024, 05:24
Static task
static1
Behavioral task
behavioral1
Sample
56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Resource
win10v2004-20240802-en
General
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Target
56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
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Size
79KB
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MD5
5e1b563d08572f43d5abe3d9cbb17bdc
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SHA1
5ad0adf13e7cf9560945e7bb4699b82261189766
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SHA256
56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f
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SHA512
bf91e22995453ad10e61f6c8f2ccdc8708c37635c9f2d545a17df59396fe18af5abdf701eb0bddd9c917e1594bd70c8c21c6eea9ef1fc06b81bc5d8a908bd346
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO5J:RshfSWHHNvoLqNwDDGw02eQmh0HjWO5J
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4944 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe File created C:\Windows\SysWOW64\¢«.exe 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe File created C:\Windows\system\rundll32.exe 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1725168246" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1725168246" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4944 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 4944 rundll32.exe 4944 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5064 wrote to memory of 4944 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 89 PID 5064 wrote to memory of 4944 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 89 PID 5064 wrote to memory of 4944 5064 56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe"C:\Users\Admin\AppData\Local\Temp\56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
75KB
MD5370a9fc91e70f74cc8e5ae2dc6538ce3
SHA16005fc14299398d643e824dc90a76594e6da64e7
SHA256047dc43957b918e9a36ab61ac391db3f45648dbcad91834c87d783ef6cd2c7a8
SHA5125d98939a4d3fbe67c03b6c1fbe1c6e36e1207182ab382a4f6f2fd633fe4d7bd1a6edf70e03c210047607d9f9471f61673d3edc2cd974163ee37740f3fb80b698
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Filesize
79KB
MD554fa43044d4d9b3fddb1371826204588
SHA1e732ca5d2e4180e62b28d00476d4ce06ff24567e
SHA25607f8f926398f4ad14e6ee16870cfab7e32fa52d9b0dba34c1d41b2146914d137
SHA5128e54430b1ae4f08de2388dc23ab51a0a34df31ea4eaf445c7d81264dd31d7a44c9239a7d5fd494786aadb6803bd6c74b7b5ac5a404af5877f9d8041ccad55eb1