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Analysis
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max time kernel
120s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 14:35
Behavioral task
behavioral1
Sample
75fec76e56944264d7dafd729caa69d0.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
75fec76e56944264d7dafd729caa69d0.exe
Resource
win10v2004-20231215-en
General
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Target
75fec76e56944264d7dafd729caa69d0.exe
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Size
433KB
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MD5
75fec76e56944264d7dafd729caa69d0
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SHA1
0111407ec55b8fe06645f701c9538eccc402e767
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SHA256
dc8f61ffb998cd0655ec9ded6183b0d4db9548722d5ffa2ced71b6fb251c5bd2
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SHA512
85ddad170ef71a5a9f4c5e07879f96043532cc53503f5b701288cf64401119f7e31dbac7e97d663b6f39700abd3fd5f8dbc803fe1b09f17af81ecf32fc184213
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SSDEEP
12288:njkArEN249AyE/rbaMct4bO2/bY4B+XxBZV4l6L/V03EWWI97:EFE//Tct4bOsQhnVa6DV0UA7
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2452-0-0x0000000000400000-0x00000000004C0000-memory.dmp upx behavioral1/memory/2452-3-0x0000000000400000-0x00000000004C0000-memory.dmp upx -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/2452-3-0x0000000000400000-0x00000000004C0000-memory.dmp autoit_exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 3 IoCs
pid Process 2848 taskkill.exe 2344 taskkill.exe 2576 taskkill.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2848 taskkill.exe Token: SeDebugPrivilege 2344 taskkill.exe Token: SeDebugPrivilege 2576 taskkill.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 2452 wrote to memory of 2288 2452 75fec76e56944264d7dafd729caa69d0.exe 28 PID 2452 wrote to memory of 2288 2452 75fec76e56944264d7dafd729caa69d0.exe 28 PID 2452 wrote to memory of 2288 2452 75fec76e56944264d7dafd729caa69d0.exe 28 PID 2452 wrote to memory of 2288 2452 75fec76e56944264d7dafd729caa69d0.exe 28 PID 2452 wrote to memory of 2392 2452 75fec76e56944264d7dafd729caa69d0.exe 30 PID 2452 wrote to memory of 2392 2452 75fec76e56944264d7dafd729caa69d0.exe 30 PID 2452 wrote to memory of 2392 2452 75fec76e56944264d7dafd729caa69d0.exe 30 PID 2452 wrote to memory of 2392 2452 75fec76e56944264d7dafd729caa69d0.exe 30 PID 2392 wrote to memory of 2848 2392 cmd.exe 32 PID 2392 wrote to memory of 2848 2392 cmd.exe 32 PID 2392 wrote to memory of 2848 2392 cmd.exe 32 PID 2392 wrote to memory of 2848 2392 cmd.exe 32 PID 2452 wrote to memory of 2812 2452 75fec76e56944264d7dafd729caa69d0.exe 34 PID 2452 wrote to memory of 2812 2452 75fec76e56944264d7dafd729caa69d0.exe 34 PID 2452 wrote to memory of 2812 2452 75fec76e56944264d7dafd729caa69d0.exe 34 PID 2452 wrote to memory of 2812 2452 75fec76e56944264d7dafd729caa69d0.exe 34 PID 2812 wrote to memory of 2344 2812 cmd.exe 36 PID 2812 wrote to memory of 2344 2812 cmd.exe 36 PID 2812 wrote to memory of 2344 2812 cmd.exe 36 PID 2812 wrote to memory of 2344 2812 cmd.exe 36 PID 2452 wrote to memory of 2584 2452 75fec76e56944264d7dafd729caa69d0.exe 37 PID 2452 wrote to memory of 2584 2452 75fec76e56944264d7dafd729caa69d0.exe 37 PID 2452 wrote to memory of 2584 2452 75fec76e56944264d7dafd729caa69d0.exe 37 PID 2452 wrote to memory of 2584 2452 75fec76e56944264d7dafd729caa69d0.exe 37 PID 2584 wrote to memory of 2676 2584 cmd.exe 39 PID 2584 wrote to memory of 2676 2584 cmd.exe 39 PID 2584 wrote to memory of 2676 2584 cmd.exe 39 PID 2584 wrote to memory of 2676 2584 cmd.exe 39 PID 2452 wrote to memory of 2616 2452 75fec76e56944264d7dafd729caa69d0.exe 40 PID 2452 wrote to memory of 2616 2452 75fec76e56944264d7dafd729caa69d0.exe 40 PID 2452 wrote to memory of 2616 2452 75fec76e56944264d7dafd729caa69d0.exe 40 PID 2452 wrote to memory of 2616 2452 75fec76e56944264d7dafd729caa69d0.exe 40 PID 2616 wrote to memory of 2576 2616 cmd.exe 42 PID 2616 wrote to memory of 2576 2616 cmd.exe 42 PID 2616 wrote to memory of 2576 2616 cmd.exe 42 PID 2616 wrote to memory of 2576 2616 cmd.exe 42 PID 2452 wrote to memory of 1680 2452 75fec76e56944264d7dafd729caa69d0.exe 43 PID 2452 wrote to memory of 1680 2452 75fec76e56944264d7dafd729caa69d0.exe 43 PID 2452 wrote to memory of 1680 2452 75fec76e56944264d7dafd729caa69d0.exe 43 PID 2452 wrote to memory of 1680 2452 75fec76e56944264d7dafd729caa69d0.exe 43 PID 1680 wrote to memory of 2012 1680 cmd.exe 45 PID 1680 wrote to memory of 2012 1680 cmd.exe 45 PID 1680 wrote to memory of 2012 1680 cmd.exe 45 PID 1680 wrote to memory of 2012 1680 cmd.exe 45
Processes
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C:\Users\Admin\AppData\Local\Temp\75fec76e56944264d7dafd729caa69d0.exe"C:\Users\Admin\AppData\Local\Temp\75fec76e56944264d7dafd729caa69d0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c khmsg2⤵PID:2288
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c taskkill /f /im NXPRUN.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im NXPRUN.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2848
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c taskkill /f /im NxpAuxSvc.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2812 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im NxpAuxSvc.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2344
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C REG IMPORT "C:\Windows\SysWOW64\zc.lst"2⤵
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\reg.exeREG IMPORT "C:\Windows\SysWOW64\zc.lst"3⤵PID:2676
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c taskkill /f /im explorer.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im explorer.exe3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2576
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c start explorer.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\explorer.exeexplorer.exe3⤵PID:2012
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{682159d9-c321-47ca-b3f1-30e36b2ec8b9} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
PID:676