Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13/06/2024, 22:40
Static task
static1
Behavioral task
behavioral1
Sample
ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe
Resource
win10v2004-20240226-en
General
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Target
ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe
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Size
84KB
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MD5
8764b3febeaeec1bb606a4d43825608e
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SHA1
157a5f58b13fe52850a8c00c7b4f8ccdcc2ae278
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SHA256
ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2
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SHA512
8ef2ac5022b8b769d267e7d53acdd05ef95a04b2e5fc54dc2e62811946755ca5a38c5b5e170198ec562a7c96386fd12c9d8b7641ad4071ba65f7ec0b5404e278
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOLG4jv34xy:GhfxHNIreQm+HiaG4jv34xy
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3104 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.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 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe File created C:\Windows\SysWOW64\¢«.exe ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe File created C:\Windows\SysWOW64\notepad¢¬.exe ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe File created C:\Windows\system\rundll32.exe ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 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\" %*" ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718318448" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718318448" rundll32.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" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3104 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 3104 rundll32.exe 3104 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3640 wrote to memory of 3104 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 89 PID 3640 wrote to memory of 3104 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 89 PID 3640 wrote to memory of 3104 3640 ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.exe"C:\Users\Admin\AppData\Local\Temp\ee58a35548630de3ef2991e35e4d0f332efc54ad00c0fac3bfb6d2ee8e481ac2.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:3640 -
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:3104
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:81⤵PID:716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
83KB
MD54188e753a70eb56187890f6322d283ee
SHA1afaf071c5c148033790052d8f33ab307a6803cc3
SHA25640f830689d1f258625adec26d765800adf5973d8a81b8a520894404c07c9b636
SHA512b40b91809d3cea5e51bed20c1d6c5e48d5a7a12581ea081ac1f29c554bad33de13445ea721b29133c230fcb02501788481c4b162d4bd494edd52b09c7b3bb7e9
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a