Analysis
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max time kernel
142s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
13/03/2024, 06:36
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c537619fb84c727902b3f72a81102a5a.exe
Resource
win7-20240221-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c537619fb84c727902b3f72a81102a5a.exe
Resource
win10v2004-20240226-en
9 signatures
150 seconds
General
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Target
c537619fb84c727902b3f72a81102a5a.exe
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Size
484KB
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MD5
c537619fb84c727902b3f72a81102a5a
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SHA1
c0ae3574a5db69d17ff87935b90346cf27fdd41b
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SHA256
294737f9ff002e475c66f425784fc48a214029ee1f408cf2de4e442ddb3f17c1
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SHA512
4ed1e72047194a27db2e211ceaa5e3a2e810618660f157ad48e61cbd219a759362b2531b978e4140db1a23401cd1cf4dbdc9a0b6147da3b2f0fd93c927f89174
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SSDEEP
12288:6XtG/bwdibvjhdaks5j0MLCzITNJdg4NKmXrlR:qgbwduFdakKj0Mdhggf
Score
6/10
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\PIS = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c537619fb84c727902b3f72a81102a5a.exe /cs:1 " c537619fb84c727902b3f72a81102a5a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\PIS = "\"C:\\ProgramData\\ee5429\\PIee5_231.exe\" /s" c537619fb84c727902b3f72a81102a5a.exe -
Checks for any installed AV software in registry 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod\ c537619fb84c727902b3f72a81102a5a.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1964 set thread context of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
pid Process 2808 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2808 taskkill.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1964 c537619fb84c727902b3f72a81102a5a.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 1964 wrote to memory of 2804 1964 c537619fb84c727902b3f72a81102a5a.exe 28 PID 2804 wrote to memory of 2808 2804 c537619fb84c727902b3f72a81102a5a.exe 29 PID 2804 wrote to memory of 2808 2804 c537619fb84c727902b3f72a81102a5a.exe 29 PID 2804 wrote to memory of 2808 2804 c537619fb84c727902b3f72a81102a5a.exe 29 PID 2804 wrote to memory of 2808 2804 c537619fb84c727902b3f72a81102a5a.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\c537619fb84c727902b3f72a81102a5a.exe"C:\Users\Admin\AppData\Local\Temp\c537619fb84c727902b3f72a81102a5a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Users\Admin\AppData\Local\Temp\c537619fb84c727902b3f72a81102a5a.exeC:\Users\Admin\AppData\Local\Temp\c537619fb84c727902b3f72a81102a5a.exe2⤵
- Adds Run key to start application
- Checks for any installed AV software in registry
- Suspicious use of WriteProcessMemory
PID:2804 -
C:\Windows\SysWOW64\taskkill.exetaskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2808
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