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Analysis
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max time kernel
150s -
max time network
105s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
19/03/2023, 18:08
Static task
static1
General
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Target
3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe
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Size
4.1MB
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MD5
c26b53cd3e00d40796e5d22dc550fb6c
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SHA1
e64385c085663c04c3032ff9440e11dc5f7baa68
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SHA256
3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33
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SHA512
685a8c8a42e3c737350996954861a4b8bc7dc0cb04cd1e65028d77a943014a8f0720c1acab08b732661f8156897635f8296b537dd9ffe6ab39355f1f331d59b1
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SSDEEP
98304:z7LR71PIjj3uzBaH7Ab9RO2WYOZGGRg8zMDa4jG+F2QTf1E:XLJmjjtH8RlLOIGUOUG+Z1E
Malware Config
Signatures
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Glupteba payload 13 IoCs
resource yara_rule behavioral1/memory/1012-122-0x00000000051C0000-0x0000000005A37000-memory.dmp family_glupteba behavioral1/memory/1012-123-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/2900-128-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-136-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-137-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-138-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-139-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-140-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-141-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-142-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-143-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-144-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba behavioral1/memory/4872-151-0x0000000000400000-0x0000000002ECE000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4764 netsh.exe -
Executes dropped EXE 3 IoCs
pid Process 4872 csrss.exe 4428 injector.exe 4648 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000600000001aef7-148.dat upx behavioral1/files/0x000600000001aef7-149.dat upx behavioral1/memory/4648-150-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4648-152-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe File created C:\Windows\rss\csrss.exe 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4824 schtasks.exe 3152 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Key created \REGISTRY\USER\.DEFAULT\SYSTEM netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1012 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 1012 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4872 csrss.exe 4872 csrss.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4872 csrss.exe 4872 csrss.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe 4428 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1012 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Token: SeImpersonatePrivilege 1012 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe Token: SeSystemEnvironmentPrivilege 4872 csrss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2900 wrote to memory of 4652 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 70 PID 2900 wrote to memory of 4652 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 70 PID 4652 wrote to memory of 4764 4652 cmd.exe 72 PID 4652 wrote to memory of 4764 4652 cmd.exe 72 PID 2900 wrote to memory of 4872 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 73 PID 2900 wrote to memory of 4872 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 73 PID 2900 wrote to memory of 4872 2900 3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe 73 PID 4872 wrote to memory of 4428 4872 csrss.exe 79 PID 4872 wrote to memory of 4428 4872 csrss.exe 79 PID 4872 wrote to memory of 4648 4872 csrss.exe 84 PID 4872 wrote to memory of 4648 4872 csrss.exe 84 PID 4872 wrote to memory of 4648 4872 csrss.exe 84 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe"C:\Users\Admin\AppData\Local\Temp\3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1012 -
C:\Users\Admin\AppData\Local\Temp\3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe"C:\Users\Admin\AppData\Local\Temp\3e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33.exe"2⤵
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\System32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
- Modifies data under HKEY_USERS
PID:4764
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4824
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1008
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4428
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3152
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:4648
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
4.1MB
MD5c26b53cd3e00d40796e5d22dc550fb6c
SHA1e64385c085663c04c3032ff9440e11dc5f7baa68
SHA2563e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33
SHA512685a8c8a42e3c737350996954861a4b8bc7dc0cb04cd1e65028d77a943014a8f0720c1acab08b732661f8156897635f8296b537dd9ffe6ab39355f1f331d59b1
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Filesize
4.1MB
MD5c26b53cd3e00d40796e5d22dc550fb6c
SHA1e64385c085663c04c3032ff9440e11dc5f7baa68
SHA2563e1b34358229b036e6cbe24bd8338ecf54ffbed34661a02e05441b6770a8ef33
SHA512685a8c8a42e3c737350996954861a4b8bc7dc0cb04cd1e65028d77a943014a8f0720c1acab08b732661f8156897635f8296b537dd9ffe6ab39355f1f331d59b1