Analysis
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max time kernel
149s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
11/06/2024, 11:29
Static task
static1
Behavioral task
behavioral1
Sample
9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe
Resource
win10v2004-20240508-en
General
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Target
9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe
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Size
73KB
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MD5
54258a85610470b44ab823b2220cd043
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SHA1
544f41ddb96b285bfce70f9b6784b8780055cc35
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SHA256
9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d
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SHA512
25c5d008567d99585ebdbd79aba3ff20324934316ceee7149f3b74dbbf2884361b7c93172bf1bfeee772484bd5cecbc7b653c25303fadc5c1097d0bb90c01881
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SSDEEP
768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOa:RshfSWHHNvoLqNwDDGw02eQmh0HjWOa
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1296 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.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 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe File created C:\Windows\SysWOW64\¢«.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe File created C:\Windows\SysWOW64\notepad¢¬.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe File created C:\Windows\system\rundll32.exe 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718105379" rundll32.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\" %*" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718105379" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1296 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 1296 rundll32.exe 1296 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2460 wrote to memory of 1296 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 28 PID 2460 wrote to memory of 1296 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 28 PID 2460 wrote to memory of 1296 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 28 PID 2460 wrote to memory of 1296 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 28 PID 2460 wrote to memory of 1296 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 28 PID 2460 wrote to memory of 1296 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 28 PID 2460 wrote to memory of 1296 2460 9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.exe"C:\Users\Admin\AppData\Local\Temp\9739b22562473f0a57d1c02b8a1d766c60073f96a2031ba9f189e6de38b44b6d.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:2460 -
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:1296
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
83KB
MD5b7609239751f129365c3c5c015b8e4fe
SHA1d5c8e5cca37e6db1b03b2a265063c4221f7114c5
SHA256969550724a9bdc0d268ab485c75caa8a5950a6ae529bf093a5cd0253d7c7e983
SHA512b74f72a0e15723b29ba0b48b0d5ab47ac0507e52c1c4faa2cd5f3fb35aa2ac4549772573a9d201047496f53a71b3e4adf8bab1811a9b5d7f8798e1f23b31c45a
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Filesize
76KB
MD56e3b9ceb652bc5b5fbd4680df1930463
SHA1033d0c9a812fa532a803918d93a63c3adf68abb7
SHA256a8f7e89a5de580df46125962f317ee8b94d6d05aa6c53a8598503cd561057567
SHA512f46a0068ba82ddf36b082885c9d5200bb79214fa03430ce6127b06239284f35e06662bbb77cbd24ea1282670c3ee536c5180dd1bcc734479b005cbfb4dfc1992