Analysis
- max time kernel
149s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
09/06/2024, 07:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe
Resource
win7-20231129-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe
- Size 86KB
- Sample240609-jc28hsff4x
- SHA256 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1
- MD5 32c1d5f7d725aadb8f435d8f47aed08c
- SHA1 4bfa5783f61a998c52b6435e97ea5ccc7740a3f9
- SHA512 02c1766baa4dc877efa5397138cab996bb0866037dc36060d3697601c717faeab8f386bef00ff8abd1892e5a310f603eabbf79ee99ae7d5c9fa7872aec201664
- SSDEEP 1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOOE0SIIeokYMM:GhfxHNIreQm+HiFE0SIIeokYMM
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4192 rundll32.exe - Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.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 created C:\Windows\SysWOW64\notepad¢¬.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe File opened for modification C:\Windows\SysWOW64\¢«.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe File created C:\Windows\SysWOW64\¢«.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe File created C:\Windows\system\rundll32.exe afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe - Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717918476" 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\MSipv afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717918476" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" 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\" %*" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe - Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4192 rundll32.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 4192 rundll32.exe 4192 rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4504 wrote to memory of 4192 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 92 PID 4504 wrote to memory of 4192 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 92 PID 4504 wrote to memory of 4192 4504 afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.exe"C:\Users\Admin\AppData\Local\Temp\afc22d19136f9db671708293e114ab529bde5a3e0c3a5dce7e5e904d5ad3c8d1.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:4504 -
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:4192
-
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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 --field-trial-handle=4212,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=4132 /prefetch:81⤵PID:4080
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\notepad¢¬.exe
- Size 74KB
- SHA256 534a602e65f9587d6e0c781cea915a39444e28e14d5e626c43f3152d2c2a7777
- MD5 7b1174853b33e1bfa2685549e5cc9709
- SHA1 201ef34017ce7e11447c2d049d264ccc6affca97
- SHA512 bfc4a2ff12ed5b83b8dc0101666686b78e68da1c928975d3836203bbfbf4b06cd0712c7dfe38ae5d2484de4001e873334767d659ad4ab5eb0f0d0de00e842c8c
- SSDEEP 768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO2n:RshfSWHHNvoLqNwDDGw02eQmh0HjWO2n
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System\rundll32.exe
- Size 73KB
- SHA256 820e55052079ecaae51e0a45595ab397f62f6a5f852b4030627a1a69f184d0ab
- MD5 0ac150839f3ada246b57b0b9f0905226
- SHA1 16465d767f2adb22ec4c02c4096f09fd9583ce44
- SHA512 9327e93edb33623f867ee78cb43f8839e49dfb54e164f36f5f601eac66bcd3fcda9b51544479d92977f5ec9e609518de4f8d103c836a64d5261372688180f9c3
- SSDEEP 768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOTs:RshfSWHHNvoLqNwDDGw02eQmh0HjWOTs
- MD5 SHA1 SHA512 SSDEEP