Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
06/06/2024, 20:36
Static task
static1
Behavioral task
behavioral1
Sample
2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe
Resource
win10v2004-20240508-en
General
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Target
2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe
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Size
86KB
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MD5
a175c6b86c4abf8b97557daef940cb0d
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SHA1
7110f8120225288a152ec9078541fb40434056fd
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SHA256
2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba
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SHA512
bcddd4d7f0984ae354e89097a3015058fb5952365e1026214bcf4bfc511f8917300230baaa3ce262b6af6d25259215dcb37eb7068832c646b05990f85aa850c9
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SSDEEP
768:ZZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3Xf:eMDgG4ChfiPOefgsOUqQwg
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe" 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe" 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe" 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe" 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe -
Drops file in Windows directory 14 IoCs
description ioc Process File created C:\Windows\Help\intret.cnt 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File opened for modification C:\Windows\System\applets.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File created C:\Windows\System\mplayerw.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File created C:\Windows\System\applets.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File created C:\Windows\Syssrc32.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File opened for modification C:\Windows\System\Explorer.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File opened for modification C:\Windows\System\Sysexp32.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File created C:\Windows\System\Sysexp32.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File opened for modification C:\Windows\Help\intret.cnt 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File opened for modification C:\Windows\System\fndfst32.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File created C:\Windows\System\fndfst32.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File created C:\Windows\System\Explorer.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File opened for modification C:\Windows\System\mplayerw.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe File opened for modification C:\Windows\Syssrc32.exe 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2236 2812 WerFault.exe 81 -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1" 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1" 2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe"C:\Users\Admin\AppData\Local\Temp\2b8620bb5c22ce747db82ad31287ee5c9db897d83fa9be75db6ea2e746b537ba.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
PID:2812 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 3362⤵
- Program crash
PID:2236
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2812 -ip 28121⤵PID:4396
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
98KB
MD5445c98de81464c3c6def3d0a382b1a02
SHA118e2c6d68f657acafcf857f7de4bb2b760f60b45
SHA256fc38232e89373b1549e9df32e9ec901ac398be9fd927df6013724d3da75669f3
SHA512713122b7abe0b40477cdaad44c07570042d06144167417f45eecfae651b248ab628fd26177bfd5484daa32d225a045a0588b1b0b1c1237dbf36f8676b2ed7b8b