Analysis
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max time kernel
149s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
11/06/2024, 11:29
Static task
static1
Behavioral task
behavioral1
Sample
882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe
Resource
win10v2004-20240508-en
General
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Target
882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe
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Size
84KB
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MD5
60a2358e346d88c4a2709a21f2584979
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SHA1
30a39b0e0cfd478c59bb92b30da0f0799892567b
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SHA256
882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b
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SHA512
6b80575dbd93bcb23a02026ac3e2f88b20e54b3f26fdc168afa95b90cded92b1e79e9c9e0a27edcfb11291335364d485ea0d13e388cd760f4d6c7659c53ed41d
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SSDEEP
1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOr/BVNJ2oT:GhfxHNIreQm+HiE/BVNJ2oT
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2804 rundll32.exe -
Loads dropped DLL 2 IoCs
pid Process 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.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\" %*" 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.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\exefile\shell\open\command 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\notepad¢¬.exe 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe File opened for modification C:\Windows\SysWOW64\¢«.exe 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe File created C:\Windows\SysWOW64\¢«.exe 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe File opened for modification C:\Windows\SysWOW64\notepad¢¬.exe 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system\rundll32.exe 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe File created C:\Windows\system\rundll32.exe 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe -
Modifies registry class 15 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\MSipv rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1" 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718105377" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718105377" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1" rundll32.exe Key created \REGISTRY\MACHINE\Software\Classes\MSipv 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe Key created \REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*" 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2804 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 2804 rundll32.exe 2804 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1724 wrote to memory of 2804 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 28 PID 1724 wrote to memory of 2804 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 28 PID 1724 wrote to memory of 2804 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 28 PID 1724 wrote to memory of 2804 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 28 PID 1724 wrote to memory of 2804 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 28 PID 1724 wrote to memory of 2804 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 28 PID 1724 wrote to memory of 2804 1724 882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.exe"C:\Users\Admin\AppData\Local\Temp\882102817c55b1f884a9256061123dc0508714992326ea92f4927dd8ec0ef27b.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:1724 -
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:2804
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD5119e2d2afad371e84a15ce4c6cbee915
SHA16added3df41f758dbc41f3b1604da16799a58315
SHA25679881e5d40220dec9b02f986573a72ae930c640bb636a6e6ca2431614640f0da
SHA5122075ea6123e94f7bc2ecb95a2507492cc0ed66d43c485aa6724d7271da45050a1130aeeaef048bb442f335342a8c19af1965b4677e9a7676f9bf364c2b51129b
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Filesize
80KB
MD5392b084170dd4bb9e657a915a02a07a5
SHA19d7aea4eb1bbdb2c21eb464f3f6f275a473be07a
SHA256cf504e1b9849d8c1d5225846f7f4c440f6db784c9e0bfba976cfaec1a9d9ec03
SHA5125bc1b4a3dbdbc8a70d3fcb748963679621939eb702a5ccea44d52fc4bf91d44d967d9a534b5524e9a41960ba3710cd08915d91d291f472d3d645b67c23a0135a