Analysis
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max time kernel
149s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
13-10-2023 02:18
Static task
static1
Behavioral task
behavioral1
Sample
7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe
Resource
win10v2004-20230915-en
General
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Target
7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe
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Size
84KB
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MD5
aa56d21e8739c84b47f440cb6e7ad600
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SHA1
4d252a2faff521992dacd2d9d8fd2cc5083873c1
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SHA256
7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd
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SHA512
9c447601762d2bbfa0f2c48030a645a0404f0d35dc781cfc14970f3b6c1b6714dd6c11eeff204ab09a75b37d12b3f1a132addd98518abe6f684a6e7f5301d136
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOMJpF:GhfxHNIreQm+HilJpF
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1324 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe File created C:\Windows\SysWOW64\¢«.exe 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe File created C:\Windows\system\rundll32.exe 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe -
Modifies registry class 15 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697589579" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697589579" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.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 Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.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\" %*" 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1324 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 1324 rundll32.exe 1324 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2312 wrote to memory of 1324 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 1 PID 2312 wrote to memory of 1324 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 1 PID 2312 wrote to memory of 1324 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 1 PID 2312 wrote to memory of 1324 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 1 PID 2312 wrote to memory of 1324 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 1 PID 2312 wrote to memory of 1324 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 1 PID 2312 wrote to memory of 1324 2312 7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe 1
Processes
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C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe1⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1324
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C:\Users\Admin\AppData\Local\Temp\7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.exe"C:\Users\Admin\AppData\Local\Temp\7e8f61d75b998928224e225033977304326695b030079f1d5a8870b9c94e5fbd.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:2312
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD5bcb47ef0bb58f72e1b98c2e90bd1b636
SHA17533ade517952b7ef88f88952a1f17b59276a4d3
SHA2569edac127026b25098b718e527d2a226efa87801f8caa246359a5895a0eb7ef83
SHA5128f5492ef837792d29773f21a6dc71490c86e0fd49b1e72c804c3947a5ed94c656345034aa5bd6a05b0ef10a7c6aec9a99e2daa8eee237165a7ec4e62699ccfbe
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Filesize
74KB
MD51924980908cc49b90d0e9191a46ffa06
SHA192b394da2211ce89184644791ad0cfd5ed00b67a
SHA256dd4579037b83dd281c0865ccc7eea2b27954e932f07110aad08bb1aef58129cd
SHA5125d7c7a92467dabeacc26a5b91c3849db56033fba25066d3e7e1fee7dacff30f4312f2dd009b7bc9114d58b7a2476af85e0123afde27fb023f3e6c3cde1d0c46c
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Filesize
74KB
MD51924980908cc49b90d0e9191a46ffa06
SHA192b394da2211ce89184644791ad0cfd5ed00b67a
SHA256dd4579037b83dd281c0865ccc7eea2b27954e932f07110aad08bb1aef58129cd
SHA5125d7c7a92467dabeacc26a5b91c3849db56033fba25066d3e7e1fee7dacff30f4312f2dd009b7bc9114d58b7a2476af85e0123afde27fb023f3e6c3cde1d0c46c
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Filesize
74KB
MD51924980908cc49b90d0e9191a46ffa06
SHA192b394da2211ce89184644791ad0cfd5ed00b67a
SHA256dd4579037b83dd281c0865ccc7eea2b27954e932f07110aad08bb1aef58129cd
SHA5125d7c7a92467dabeacc26a5b91c3849db56033fba25066d3e7e1fee7dacff30f4312f2dd009b7bc9114d58b7a2476af85e0123afde27fb023f3e6c3cde1d0c46c
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Filesize
74KB
MD51924980908cc49b90d0e9191a46ffa06
SHA192b394da2211ce89184644791ad0cfd5ed00b67a
SHA256dd4579037b83dd281c0865ccc7eea2b27954e932f07110aad08bb1aef58129cd
SHA5125d7c7a92467dabeacc26a5b91c3849db56033fba25066d3e7e1fee7dacff30f4312f2dd009b7bc9114d58b7a2476af85e0123afde27fb023f3e6c3cde1d0c46c