Analysis
-
max time kernel
152s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02/06/2024, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe
Resource
win10v2004-20240226-en
General
-
Target
585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe
-
Size
76KB
-
MD5
35e6553966b2b9f659b315f2448d8ee3
-
SHA1
89c5cc10ed81ed3d1e3a829e692f4907fc6c043c
-
SHA256
585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424
-
SHA512
33f73ae37e22ca29c17c4df1f96b7d20c354f87463098fffd3d8ca14253a7d38734d789590dd31db0a0d6ce10a55a25ed252ac585f7849d75178666940f532f6
-
SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOzw:RshfSWHHNvoLqNwDDGw02eQmh0HjWOs
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 3764 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.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 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe File created C:\Windows\SysWOW64\¢«.exe 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\system\rundll32.exe 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe File opened for modification C:\Windows\system\rundll32.exe 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe -
Modifies registry class 15 IoCs
description ioc Process 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\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717367396" 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 Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717367396" rundll32.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\" %*" 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3764 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 3764 rundll32.exe 3764 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4972 wrote to memory of 3764 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 89 PID 4972 wrote to memory of 3764 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 89 PID 4972 wrote to memory of 3764 4972 585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.exe"C:\Users\Admin\AppData\Local\Temp\585327f74832399d29bcb33c6feaeb02e2eeb1c7666ab3f8af6af17289de5424.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:4972 -
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:3764
-
-
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=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:81⤵PID:2644
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
84KB
MD578f6f9e77a094f0237ac78127a003454
SHA18693701f18d1f1f54d311dcdcafe8bde296aff91
SHA256195ba8b81f432d2405b7be6b5d6c72327ac168753ac175bd454667470df83fc0
SHA5124abda1002c1ec737c176c6d157c958422d5a29dddddce01c33c06fede3f8da137ebe45aacdd5ab4108c4d8976744ba3d748dfde4cfed14094d6007cc49b45ec2
-
Filesize
80KB
MD51be407725097becd42d4061edd222303
SHA17d437c130c1a98ed4f528d90bfe48d2468ef15f7
SHA256e42fcc29c445c5891158a0e3b391479ac91387b3e8e8373fb932d7936b7fd226
SHA512b728c0139f01b91ffe6bf368efa2831d1c78327cf83a3b7ef2a6116d72b76abfd2ba9ad4bbb6a7f989edf07d9103c3da85a560dd852514faf2289b55e3dbe5cb