Analysis
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max time kernel
150s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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 2768 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.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 created C:\Windows\SysWOW64\notepad¢¬.exe c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 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 -
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 (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 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.exe %1" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.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\exefile\shell\open\command\ = "¢« \"%1\" %*" c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718235788" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718235788" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 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 Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2768 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 2768 rundll32.exe 2768 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2840 wrote to memory of 2768 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 28 PID 2840 wrote to memory of 2768 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 28 PID 2840 wrote to memory of 2768 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 28 PID 2840 wrote to memory of 2768 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 28 PID 2840 wrote to memory of 2768 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 28 PID 2840 wrote to memory of 2768 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 28 PID 2840 wrote to memory of 2768 2840 c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe"C:\Users\Admin\AppData\Local\Temp\c606c075429ea6aeca585cfa0ed5c435c32a384d22ed23b83b9b9340fccb3b19.exe"1⤵
- Loads dropped DLL
- 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:2840 -
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:2768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD520f0cbbeeaae0cbb30bd5d7bde2dc8dd
SHA1b22d6798802630eece51222fe08cf17cb613dde0
SHA2563c4d0a32b3caa16a86208a310c1d44e36269fe89c4a28310ff81c85f30303e9f
SHA51237f58fcc217b5e95af3542932772704b7f6282cdfbed5727919874c803b381b7c3b17b5ef4b49090a14ef98f11bb85f610660e5e0066cbe994263eff575c0330
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Filesize
81KB
MD5f6e335453cf139136237aec9829d0444
SHA1212eb2d49d7c3472effd6903662959685e23e43f
SHA25690aaa59d7be59e516c6b7f7e4e138869d63c39b6eedb2cc2e4e0548e5bf7b74e
SHA512b6e2f8d49f4496a67d2170593b3172463e05942c3eebcdbfd407ed4e4730180571edc065e15a6b52ba352d3163d054f161f41195a9615c72ef7e6ff3a151cf18