Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2024 06:29
Static task
static1
Behavioral task
behavioral1
Sample
ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Resource
win10v2004-20240508-en
General
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Target
ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
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Size
81KB
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MD5
2f4c6b37ef184c88422883a27f49cbc7
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SHA1
badc98925d9387e0d9e1fde03886e81f0ad82ef7
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SHA256
ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c
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SHA512
af9923a46e12670b252618c620179f42b23f40df4c65ab502a70af60f84b3346bbac405f19c8338eb5f9e701594cffb0a466a4aeac26af54c2f95bc1c0796159
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOcUgBK8w:GhfxHNIreQm+HiZUgBK8w
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4776 rundll32.exe -
Modifies system executable filetype association 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.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 created C:\Windows\SysWOW64\notepad¢¬.exe ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe File opened for modification C:\Windows\SysWOW64\¢«.exe ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe File created C:\Windows\SysWOW64\¢«.exe ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe File created C:\Windows\system\rundll32.exe ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717482576" rundll32.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 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.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\txtfile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717482576" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4776 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 4776 rundll32.exe 4776 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2948 wrote to memory of 4776 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 86 PID 2948 wrote to memory of 4776 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 86 PID 2948 wrote to memory of 4776 2948 ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe"C:\Users\Admin\AppData\Local\Temp\ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.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:2948 -
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:4776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD516c96f77c882821ade5693cce0f9b960
SHA1364eeb2dbe31379cd5303e4235b1c5602f722385
SHA256d245a9b52e45076265308fbe62fe883ca30b021530c452264066dd7a14093854
SHA5126612109fd23fbba99535d7616de4ea6dbdbed2cea474dec0c1367fd370786725ee8e22005d7637d4e38ccf60b107a4d1c4ce2217ad7eec4b176c84a49cbcc8ad
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Filesize
81KB
MD5034f97af8db13556865ff4435d3d12b6
SHA1b6eb4196bd8ffd32ed03252d8d4442979f223792
SHA25688a6ac3b9a5e4a0d48d98afe568a8010d546e4594ed224748ad3215ec5b61125
SHA5128c45593947f45e25f13a7b9db87a565cf8d533b74b508090eac562f73206e030d1874f78ed7517911adb3e1f5286013c51006be3f3b66f6f9e719ee325186768