Analysis
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max time kernel
89s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2024 11:21
Static task
static1
Behavioral task
behavioral1
Sample
c87de593d0dbc26df38f8af93c65cc36.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c87de593d0dbc26df38f8af93c65cc36.exe
Resource
win10v2004-20231215-en
General
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Target
c87de593d0dbc26df38f8af93c65cc36.exe
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Size
38KB
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MD5
c87de593d0dbc26df38f8af93c65cc36
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SHA1
b6bb1d606b741b28bd95346902ec3441ae4d58d6
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SHA256
c1a55ed664f378c12560c5992b557edb675417bd4b28fc91e7927ac24e3376e6
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SHA512
c1ebaad2e12292a0ee5a41c88e041dd7f41c774627dd55dd9193e2424507ca03daaefb198be932552574c6ba61c7d60e966fb4d2f6896138044cc2600192d573
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SSDEEP
768:YU5ChYknJSDX474YqS2Ir2iZlaNdCLCCHqDHiabUOHcaUD1Vcopm:YUsJnsM74FSPTZlaWCCHiCabUO8nD1R4
Malware Config
Signatures
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Disables Task Manager via registry modification
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3560 netsh.exe -
Loads dropped DLL 1 IoCs
pid Process 1872 c87de593d0dbc26df38f8af93c65cc36.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\wind32.exe" c87de593d0dbc26df38f8af93c65cc36.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\dllgh8jkd1q8.exe c87de593d0dbc26df38f8af93c65cc36.exe File created C:\Windows\SysWOW64\olemdb32.dl_ c87de593d0dbc26df38f8af93c65cc36.exe File created C:\Windows\SysWOW64\olemdb32.dll c87de593d0dbc26df38f8af93c65cc36.exe File created C:\Windows\SysWOW64\wind32.exe c87de593d0dbc26df38f8af93c65cc36.exe File opened for modification C:\Windows\SysWOW64\wind32.exe c87de593d0dbc26df38f8af93c65cc36.exe File opened for modification C:\WINDOWS\SysWOW64\WIND32.EXE c87de593d0dbc26df38f8af93c65cc36.exe File created C:\Windows\SysWOW64\dllgh8jkd1q8.exe c87de593d0dbc26df38f8af93c65cc36.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1872 c87de593d0dbc26df38f8af93c65cc36.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1872 wrote to memory of 3560 1872 c87de593d0dbc26df38f8af93c65cc36.exe 86 PID 1872 wrote to memory of 3560 1872 c87de593d0dbc26df38f8af93c65cc36.exe 86 PID 1872 wrote to memory of 3560 1872 c87de593d0dbc26df38f8af93c65cc36.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\c87de593d0dbc26df38f8af93c65cc36.exe"C:\Users\Admin\AppData\Local\Temp\c87de593d0dbc26df38f8af93c65cc36.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1872 -
C:\Windows\SysWOW64\netsh.exenetsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\c87de593d0dbc26df38f8af93c65cc36.exe' enable2⤵
- Modifies Windows Firewall
PID:3560
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
1KB
MD57eff6471382d19c14ba42fec82c9f475
SHA12e5c199b192eaaf3a551a755ff93c620ded8413f
SHA2562a3fbfd8cc8d9b76b811b9f41c235e0920059974f64cc3a8fdc62349d7829293
SHA5120d9929c02bfc3bb26832881a4808ff7680e0757c678e9c50fe5321e95e78eef5194162c34d2476573bba237627ce9dd6ce13b18dc65e65bfc4e2f0b9080eaf7f
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Filesize
23KB
MD565387b1305f01ede9bce1b664207d5d7
SHA119d719d16958e6a1c5367b578cb9ff7700e695bf
SHA256148f1d2ce99fb0305e53fd24add20cd19cc420e9c1d1b64abf42b456da94cd23
SHA512cd64957c47979626be9a77b2a2ee2d0b22b72540369a4b6cfe1c1c9f8180b546db0b6e637259dd8f7a09506d738ec57fc34b116e199641c40f55e0d5b40a2a29