Analysis
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max time kernel
158s -
max time network
186s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
02/12/2022, 21:35
Static task
static1
Behavioral task
behavioral1
Sample
9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe
Resource
win10v2004-20220812-en
General
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Target
9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe
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Size
191KB
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MD5
eafc0795facbce6ca53da654f432cd7e
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SHA1
8b58e82abee3c3a2d4e0a1f9049fdf9a1dfaebe8
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SHA256
9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5
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SHA512
74480a7e34e8573c84ea26a6b76b96cdd269efc1bb62efcd679738bea9d1c4029059e705c372752f3acbe7738bbac2673c1b3d503413b5d853519fbbeaac5edb
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SSDEEP
768:jZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3ini2L2o27+IpFhPw:gMDgG4ChfiPOefgsOUqQwgE
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe" 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe" 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe" 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe" 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe -
Drops file in Windows directory 14 IoCs
description ioc Process File created C:\Windows\System\fndfst32.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File created C:\Windows\System\Explorer.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File opened for modification C:\Windows\System\fndfst32.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File opened for modification C:\Windows\System\applets.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File created C:\Windows\System\applets.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File created C:\Windows\Syssrc32.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File opened for modification C:\Windows\System\mplayerw.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File created C:\Windows\Help\intret.cnt 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File created C:\Windows\System\mplayerw.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File opened for modification C:\Windows\Syssrc32.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File opened for modification C:\Windows\System\Explorer.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File opened for modification C:\Windows\Help\intret.cnt 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File created C:\Windows\System\Sysexp32.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe File opened for modification C:\Windows\System\Sysexp32.exe 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2312 5080 WerFault.exe 78 -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1" 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1" 9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe"C:\Users\Admin\AppData\Local\Temp\9833ae5456c94d8f015551f4fa382cfc2b6b4535bc70d658298c4fc8715ff1e5.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
PID:5080 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 3482⤵
- Program crash
PID:2312
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5080 -ip 50801⤵PID:1512