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Analysis
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max time kernel
149s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
13/06/2024, 04:39
Static task
static1
Behavioral task
behavioral1
Sample
2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe
Resource
win10v2004-20240611-en
General
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Target
2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe
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Size
82KB
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MD5
7145a4fe43117662342038408b344d60
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SHA1
c2f0db1ec6ff6f47f5f728935b03d8f9b95bbd44
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SHA256
2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa
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SHA512
4aa01bf8455f35f11ddff1e66ea4a0c64340a904ad5197c1a0f9a36b032b0271196ec80140836990f0d49e0e624d3c37192895686d294aa099f179a023389c94
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOynnnnnr:GhfxHNIreQm+Hihnnnnnr
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4828 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.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 -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\¢«.exe 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe File created C:\Windows\SysWOW64\¢«.exe 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe File created C:\Windows\system\rundll32.exe 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718253588" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718253588" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4828 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 4828 rundll32.exe 4828 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3388 wrote to memory of 4828 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 85 PID 3388 wrote to memory of 4828 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 85 PID 3388 wrote to memory of 4828 3388 2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe"C:\Users\Admin\AppData\Local\Temp\2717869ba7103005b12052eba168ede18f49b74bca58c2d7632056163aa484fa.exe"1⤵
- 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:3388 -
C:\Windows\system\rundll32.exeC:\Windows\system\rundll32.exe2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:4828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD5d2c0dd76e05e3ed2106089468b2d65a2
SHA1642967312de7e370e19515651b6cb460bec6e87e
SHA25613cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3
SHA5128e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a
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Filesize
75KB
MD59d6f89758b7d9cfe7bf6fd14827cd87d
SHA1041046ef4960368fac0e04360294a421d7de57a9
SHA25647f2d6cfcad2153045e46a4928df49ef41c1851ffe8df7a42b6af75cf7ee015c
SHA512ba27f55b219cc9adf2223d8381bc2fcbbd2607eb2ace1cd17a1bb66fd6c02a12893de7657baac11c54a55e885c259b0d3ab847f79ea2ec5689d7e2a6f1150608