Analysis
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max time kernel
152s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12/06/2024, 23:43
Static task
static1
Behavioral task
behavioral1
Sample
c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe
Resource
win10v2004-20240226-en
General
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Target
c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe
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Size
76KB
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MD5
42489cf6b4e17987fbd948097039f5e1
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SHA1
fc38282d1b4648aebe18544e8364dac71f4dfb79
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SHA256
c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19
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SHA512
3aa70060a4e57ffd1689d6a83ea25c7bf1da7dd383ae3aba45177246b1c3419ab4a6ae620219517bf081c893744390bc7c454172813c1ef3c1d8ea0f97337371
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOCgc:GhfxHNIreQm+Hi/gc
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2128 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.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 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe File created C:\Windows\SysWOW64\¢«.exe c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe File created C:\Windows\SysWOW64\notepad¢¬.exe c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe File created C:\Windows\system\rundll32.exe c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718235796" 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.exe %1" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 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\MSipv c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718235796" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2128 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2128 rundll32.exe 2128 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4848 wrote to memory of 2128 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 90 PID 4848 wrote to memory of 2128 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 90 PID 4848 wrote to memory of 2128 4848 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe"C:\Users\Admin\AppData\Local\Temp\c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.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:4848 -
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:2128
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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=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:81⤵PID:4072
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD51a22c7e8539d5db5da33d67b89d5348c
SHA10c871ff568dfc8817312125bb183b836ff84877b
SHA2562faa065a1498813ba4f67fd14678fc045397315b46931e3028ecb3fcad1fa77b
SHA5128d3e0655f4aa14bf1867b778ba44c579e1fb9090fa11d4c844571504fbdc16f6a5ee81b4d6a51dc305339a918458dc7515efeff858cc31c064408a766a85a512
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Filesize
83KB
MD59b7628abed772f040274fdcf578faf8f
SHA134f4a75caf13e91a822e092caeed84d75df7bd58
SHA2564789950bedce1b2234e8827af9cd98b3a7f524601f2c34906e4f7597498b714b
SHA512e1595441590693b92fa76f1af98f893f04f7bb8ad1325f3d56fcb68f9ed16aa5d46d8450443b2d1c554601abfcc94a5b04951057cc9c3b1765810995de32a061