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Analysis
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max time kernel
146s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
29/03/2023, 16:33
Static task
static1
General
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Target
769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe
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Size
4.1MB
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MD5
be3e4ff45023420855bca037e9a86548
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SHA1
8a7884f774084478ddf4075b84d7bc9f0ecf9cae
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SHA256
769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c
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SHA512
3d6b840ee3a93891cf6a6d6e940fb14e57e437d8d40bebc38e9b035733989be8d96674cff5a0e9fd7f739790d4bad03d67794705cf2ef51b60601cc2202dfccd
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SSDEEP
49152:Sl58oGO/1alm2ulPvxlN9PMJxgVhgiPuJNoBVnJx5s9+veMOJSWvTgrATlnsQCN:q+Ren2ulHxlrMJxgVhFnB95321JjU8dW
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4828-134-0x0000000002E30000-0x00000000036A7000-memory.dmp family_glupteba behavioral1/memory/4828-135-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1032-142-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-148-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-149-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-150-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-151-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-152-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-153-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-154-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-155-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-156-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-157-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-158-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-159-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-160-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1752-167-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4800 netsh.exe -
Executes dropped EXE 3 IoCs
pid Process 1752 csrss.exe 1080 injector.exe 3816 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000300000000072d-164.dat upx behavioral1/files/0x000300000000072d-165.dat upx behavioral1/memory/3816-166-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe File created C:\Windows\rss\csrss.exe 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4364 1032 WerFault.exe 88 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4944 schtasks.exe 4460 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,-372 = "Jerusalem Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4828 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 4828 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1752 csrss.exe 1752 csrss.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1752 csrss.exe 1752 csrss.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe 1080 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4828 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Token: SeImpersonatePrivilege 4828 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe Token: SeSystemEnvironmentPrivilege 1752 csrss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1032 wrote to memory of 3212 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 90 PID 1032 wrote to memory of 3212 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 90 PID 3212 wrote to memory of 4800 3212 cmd.exe 92 PID 3212 wrote to memory of 4800 3212 cmd.exe 92 PID 1032 wrote to memory of 1752 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 93 PID 1032 wrote to memory of 1752 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 93 PID 1032 wrote to memory of 1752 1032 769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe 93 PID 1752 wrote to memory of 1080 1752 csrss.exe 102 PID 1752 wrote to memory of 1080 1752 csrss.exe 102 PID 1752 wrote to memory of 3816 1752 csrss.exe 108 PID 1752 wrote to memory of 3816 1752 csrss.exe 108 PID 1752 wrote to memory of 3816 1752 csrss.exe 108 -
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\769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe"C:\Users\Admin\AppData\Local\Temp\769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4828 -
C:\Users\Admin\AppData\Local\Temp\769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe"C:\Users\Admin\AppData\Local\Temp\769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c.exe"2⤵
- 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:1032 -
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:3212 -
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
PID:4800
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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.
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4944
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3868
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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:1080
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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:4460
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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:3816 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:2344
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 6243⤵
- Program crash
PID:4364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1032 -ip 10321⤵PID:4776
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
MD5be3e4ff45023420855bca037e9a86548
SHA18a7884f774084478ddf4075b84d7bc9f0ecf9cae
SHA256769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c
SHA5123d6b840ee3a93891cf6a6d6e940fb14e57e437d8d40bebc38e9b035733989be8d96674cff5a0e9fd7f739790d4bad03d67794705cf2ef51b60601cc2202dfccd
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Filesize
4.1MB
MD5be3e4ff45023420855bca037e9a86548
SHA18a7884f774084478ddf4075b84d7bc9f0ecf9cae
SHA256769fa4426113af9fd11509a6fcf22bda363d1b509b5ef37e7c0dacb3dfe92d1c
SHA5123d6b840ee3a93891cf6a6d6e940fb14e57e437d8d40bebc38e9b035733989be8d96674cff5a0e9fd7f739790d4bad03d67794705cf2ef51b60601cc2202dfccd