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Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
23/09/2023, 07:06
Static task
static1
Behavioral task
behavioral1
Sample
7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe
Resource
win10v2004-20230915-en
General
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Target
7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe
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Size
75KB
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MD5
3213a6b12ab6e858c29394b46b600714
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SHA1
e2867a66e24a661041cb6a6149b4fd6bec44feac
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SHA256
7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9
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SHA512
3cb34859ac5832797e135fadfc3b56a338c4c6743e5259d147cfd17502ed25c6ff47d21c01dde88043ce730c1270334e1784912e40a6af4185a9a573583f0990
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOeYh:GhfxHNIreQm+HiBYh
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2844 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.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 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe File created C:\Windows\SysWOW64\¢«.exe 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe File created C:\Windows\system\rundll32.exe 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1695452800" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1695452800" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 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 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2844 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 2844 rundll32.exe 2844 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1732 wrote to memory of 2844 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 28 PID 1732 wrote to memory of 2844 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 28 PID 1732 wrote to memory of 2844 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 28 PID 1732 wrote to memory of 2844 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 28 PID 1732 wrote to memory of 2844 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 28 PID 1732 wrote to memory of 2844 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 28 PID 1732 wrote to memory of 2844 1732 7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe"C:\Users\Admin\AppData\Local\Temp\7a9632a18ef967eb84cc087921f1c3a72e638959cbbd4454efb2d447420b05c9.exe"1⤵
- Loads dropped DLL
- 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:1732 -
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:2844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD549d1627d15aab345684b65cbd7dd7675
SHA16e75e68099ff052a7e6e52948a50c57df5314422
SHA256ff50493fc95a492ee20bd6c1933b9a6c25adad7b34f48a5bde7410024a235feb
SHA5129d6c33320c4dc5748c65af6c55f49b3e7986feee591be8b8a0143d210486aa2c21fb3ceed859cc2e6f463efc1d8306c695fd127cf4a5bee8f385b0da765f4ff6
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Filesize
79KB
MD5a991c7923c39e3c7f416c049ed2b9823
SHA11c0b5f8e77ec3f86f118d7b90f12e724ecd8ebba
SHA256b52c52368fceeb7d519c4e803998a15a68c29d0c6e68437c216eee919843a5e2
SHA5127eeec0f61e0fcc569b237ea2e02a6daa6c873ef293c1b4b64718af28ceaa02e4b30dce5609ac3c0d874ca98fc86ece315be98d4d44027fe264cb12d82349583d
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Filesize
79KB
MD5a991c7923c39e3c7f416c049ed2b9823
SHA11c0b5f8e77ec3f86f118d7b90f12e724ecd8ebba
SHA256b52c52368fceeb7d519c4e803998a15a68c29d0c6e68437c216eee919843a5e2
SHA5127eeec0f61e0fcc569b237ea2e02a6daa6c873ef293c1b4b64718af28ceaa02e4b30dce5609ac3c0d874ca98fc86ece315be98d4d44027fe264cb12d82349583d
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Filesize
79KB
MD5a991c7923c39e3c7f416c049ed2b9823
SHA11c0b5f8e77ec3f86f118d7b90f12e724ecd8ebba
SHA256b52c52368fceeb7d519c4e803998a15a68c29d0c6e68437c216eee919843a5e2
SHA5127eeec0f61e0fcc569b237ea2e02a6daa6c873ef293c1b4b64718af28ceaa02e4b30dce5609ac3c0d874ca98fc86ece315be98d4d44027fe264cb12d82349583d
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Filesize
79KB
MD5a991c7923c39e3c7f416c049ed2b9823
SHA11c0b5f8e77ec3f86f118d7b90f12e724ecd8ebba
SHA256b52c52368fceeb7d519c4e803998a15a68c29d0c6e68437c216eee919843a5e2
SHA5127eeec0f61e0fcc569b237ea2e02a6daa6c873ef293c1b4b64718af28ceaa02e4b30dce5609ac3c0d874ca98fc86ece315be98d4d44027fe264cb12d82349583d