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Analysis
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max time kernel
201s -
max time network
217s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2023, 20:48
Static task
static1
Behavioral task
behavioral1
Sample
2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe
Resource
win10v2004-20230915-en
General
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Target
2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe
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Size
74KB
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MD5
4771cffe19e2018f976be1065d387922
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SHA1
81dfb0ca6db479819dbf4bd09245489adc51053d
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SHA256
2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74
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SHA512
78250c723a4df089b2d9789aa33c38d6d59f483ad84cfd46633878f337d2bc479eea0e4096a1c0fd5f4474e5dba9a2eb2f9d1ebf5b92d22501f668bfe08b57fd
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOSa:RshfSWHHNvoLqNwDDGw02eQmh0HjWOSa
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3268 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process 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\exefile\shell\open\command 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe File created C:\Windows\SysWOW64\¢«.exe 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe File created C:\Windows\system\rundll32.exe 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697265828" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697265828" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3268 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 3268 rundll32.exe 3268 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4800 wrote to memory of 3268 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 87 PID 4800 wrote to memory of 3268 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 87 PID 4800 wrote to memory of 3268 4800 2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe"C:\Users\Admin\AppData\Local\Temp\2790c68a9f9158ada1db2a2640c195e0b7a4df31a0f3cced8f7420bbc0ba2c74.exe"1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:3268
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
78KB
MD56a127aded4406d89f6a078cb1f8bb36c
SHA143132edd3e1608b4166999acd0d061e53c734778
SHA2562734d2c9479e4a65b86b6e51c0d01d744caf054d4132733dba79f43adb27d3e6
SHA512812075c70c4d5625b55b4f3acfa44fe3af6529d36aef3533ee93a590983d77076a02924aaeba78fffe188ea7f242471839f8062998abfaf4bcf86607bd482003
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Filesize
74KB
MD51af354ebb4766fef556b2915e0aef705
SHA1d8248f1d10b6495e954f67a9a84ae16c9b279181
SHA256b03f10905e623526586006bbf6e237d8456b7e5e6d3ddfca006fac1b82912f0a
SHA512bdff9352e1c5c1dc0bdd59bc2cd0cf164e558232e220217f2146e5ce87fe815edbac1fb53f95b71e77238c8e1d478e86fcdd6fc62963729877012ce5829bc164
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Filesize
74KB
MD51af354ebb4766fef556b2915e0aef705
SHA1d8248f1d10b6495e954f67a9a84ae16c9b279181
SHA256b03f10905e623526586006bbf6e237d8456b7e5e6d3ddfca006fac1b82912f0a
SHA512bdff9352e1c5c1dc0bdd59bc2cd0cf164e558232e220217f2146e5ce87fe815edbac1fb53f95b71e77238c8e1d478e86fcdd6fc62963729877012ce5829bc164