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Analysis
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max time kernel
150s -
max time network
152s -
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, 04:47
Static task
static1
Behavioral task
behavioral1
Sample
7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe
Resource
win10v2004-20240226-en
General
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Target
7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe
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Size
83KB
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MD5
f7ff0ba605d1a9c0a34e5d7b4c9c3184
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SHA1
192e69570dde2ae53ee83a54686af39e8937188b
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SHA256
7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a
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SHA512
679db2c1f143d91691a9cf0daf97d91d2c9317973409e25be191939d41dca7b2a7021148b4d309c95a430a219ea6d527fdb05a5244531e6324ddaeb3bb7aa10c
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO247KJFM:GhfxHNIreQm+Hi747KJFM
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4660 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 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe File created C:\Windows\SysWOW64\¢«.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe File created C:\Windows\system\rundll32.exe 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.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\" %*" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.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 Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718254035" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718254035" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4660 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 4660 rundll32.exe 4660 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4248 wrote to memory of 4660 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 91 PID 4248 wrote to memory of 4660 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 91 PID 4248 wrote to memory of 4660 4248 7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.exe"C:\Users\Admin\AppData\Local\Temp\7acfc0f7c3e424d1e01bc74c15b86c3961f9ddae5950419a3a35e460dd03035a.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:4248 -
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:4660
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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=4032 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:81⤵PID:2052
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
77KB
MD53b42ff4a685dc780e4aa4ff22cdd9b22
SHA1b6041b672cf48545ab3580b85725c9f2bf078abb
SHA256fbd5042adce2c89fc66a8db783a820d277bac844be78c006a2f4cd9f833ebb20
SHA5120fa58b350bc33ca50b2cc2f92d676b4e695b9505027e3695227ddff1e38efd49b467d4533b6edd9f71cda0422a93f35fda3840631a679feb53592d0aa134c2b9
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Filesize
79KB
MD52ee4c03249fee21f225f4eca24c0c2c4
SHA10597594e1b192db58145acef4e3fa59fa7bbd9e3
SHA256c80ac839960867719610c77501f0d08233dac7a71537b6bc7d674df7346e9995
SHA512aa6c90e5dd11910ff7992bae85678c502db944d60e9fb996316e0d2ce4f3dea8ebe9203b18a6c4497831275d832e1c0bce79c51f1e9e4bbcab8235b60137d5b7