Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31/12/2023, 05:47
Static task
static1
Behavioral task
behavioral1
Sample
2a9799cbab558d0aef7da3e48f84ad6a.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2a9799cbab558d0aef7da3e48f84ad6a.exe
Resource
win10v2004-20231215-en
General
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Target
2a9799cbab558d0aef7da3e48f84ad6a.exe
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Size
192KB
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MD5
2a9799cbab558d0aef7da3e48f84ad6a
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SHA1
c06a3fb874ca88ed84855e2472d2ca65ccf254a9
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SHA256
fcbfa7f4aacb387c463bfda18d83e79327d65038cc3369535bb3bbd8a39fa0f8
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SHA512
a35722183bbebc7560b069479b20b17b3324bed4d2f1f50d5fa0fc2b4c856f6983343417cf19e13420dc18d1ec7131e6bceb3e10a5402264e02b9caa9cc9ea36
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SSDEEP
3072:w27pjEEdeIZjMA2pZApO63zXgjASjNNf/xM3ZZCazN2ziuKcTXH5Sanxp:JZEEdLg5T0QAo7SCazEuyTH0
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2764 cmd.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\found.exe 2a9799cbab558d0aef7da3e48f84ad6a.exe File opened for modification C:\Windows\SysWOW64\found.exe 2a9799cbab558d0aef7da3e48f84ad6a.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Debug\found32.dll 2a9799cbab558d0aef7da3e48f84ad6a.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32 regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32\ = "C:\\Windows\\Debug\\found32.dll" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\InProcServer32\ThreadingModel = "Apartment" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB} regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{18EDD7A0-87EF-45B7-85CF-6A7E1341E2BB}\ = "url" regedit.exe -
Runs .reg file with regedit 1 IoCs
pid Process 2768 regedit.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2928 wrote to memory of 2320 2928 2a9799cbab558d0aef7da3e48f84ad6a.exe 18 PID 2928 wrote to memory of 2320 2928 2a9799cbab558d0aef7da3e48f84ad6a.exe 18 PID 2928 wrote to memory of 2320 2928 2a9799cbab558d0aef7da3e48f84ad6a.exe 18 PID 2928 wrote to memory of 2320 2928 2a9799cbab558d0aef7da3e48f84ad6a.exe 18 PID 2928 wrote to memory of 2764 2928 2a9799cbab558d0aef7da3e48f84ad6a.exe 17 PID 2928 wrote to memory of 2764 2928 2a9799cbab558d0aef7da3e48f84ad6a.exe 17 PID 2928 wrote to memory of 2764 2928 2a9799cbab558d0aef7da3e48f84ad6a.exe 17 PID 2928 wrote to memory of 2764 2928 2a9799cbab558d0aef7da3e48f84ad6a.exe 17 PID 2320 wrote to memory of 2768 2320 cmd.exe 16 PID 2320 wrote to memory of 2768 2320 cmd.exe 16 PID 2320 wrote to memory of 2768 2320 cmd.exe 16 PID 2320 wrote to memory of 2768 2320 cmd.exe 16
Processes
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C:\Windows\SysWOW64\regedit.exeregedit /s C:\Users\Admin\AppData\Local\Temp\nothks.reg1⤵
- Modifies registry class
- Runs .reg file with regedit
PID:2768
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C:\Windows\SysWOW64\cmd.execmd /c erase /F "C:\Users\Admin\AppData\Local\Temp\2a9799cbab558d0aef7da3e48f84ad6a.exe"1⤵
- Deletes itself
PID:2764
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C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\fnous.bat1⤵
- Suspicious use of WriteProcessMemory
PID:2320
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C:\Users\Admin\AppData\Local\Temp\2a9799cbab558d0aef7da3e48f84ad6a.exe"C:\Users\Admin\AppData\Local\Temp\2a9799cbab558d0aef7da3e48f84ad6a.exe"1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2928
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
126B
MD57ab275c1bc8750fe49119429e12ab856
SHA1ea556c59c5d3f2be584d2e208ba42a1540f46986
SHA2568d96bacc0e4651d7b8c27613f3f721bb89ca9fb9430bab66b2ef90bfe8cb5bb3
SHA5127fe4bce942523a6adde6d83fc2f63302283f3e0642db4f9f650d50ba8f6f2b7b587229736521615d54b596f24a23146ab7aecb512c145b8dc4b81050ac3576c1