Analysis
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max time kernel
30s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe
Resource
win10v2004-20240412-en
General
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Target
6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe
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Size
4.2MB
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MD5
8fd2b4ce721563b89d313ec0d5283d62
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SHA1
51d31a9e5aec6ff42c2bd0ffc041b9b170fef505
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SHA256
6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027
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SHA512
6421db81816f265452625e3b00ab368b24e4d9c8a809354df2101b08b727b12c2e63544ddf4f577732bca23a32c2a332814c7a51277df7eaa4e247182c189396
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SSDEEP
98304:u+HT2dFOlkJa7jNZC2ePu9ILkthheCYlOaX:3zMKBrC2kuA8hntM
Malware Config
Signatures
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Glupteba payload 23 IoCs
resource yara_rule behavioral1/memory/3440-2-0x00000000052E0000-0x0000000005BCB000-memory.dmp family_glupteba behavioral1/memory/3440-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3440-54-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3440-55-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3440-56-0x00000000052E0000-0x0000000005BCB000-memory.dmp family_glupteba behavioral1/memory/1528-58-0x0000000004D50000-0x0000000005153000-memory.dmp family_glupteba behavioral1/memory/1528-59-0x0000000005160000-0x0000000005A4B000-memory.dmp family_glupteba behavioral1/memory/1528-60-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/1528-121-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/1528-125-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/1528-240-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-260-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-270-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-273-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-275-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-278-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-281-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-285-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-287-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-290-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-293-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-296-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/5100-299-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4820 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 5100 csrss.exe -
resource yara_rule behavioral1/files/0x0012000000023343-264.dat upx behavioral1/memory/2228-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4548-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4548-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4548-288-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.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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Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.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 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe File created C:\Windows\rss\csrss.exe 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1684 sc.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 4084 schtasks.exe 1540 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 1720 powershell.exe 1720 powershell.exe 3440 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 3440 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 2300 powershell.exe 2300 powershell.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 2944 powershell.exe 2944 powershell.exe 3908 powershell.exe 3908 powershell.exe 1608 powershell.exe 1608 powershell.exe 944 powershell.exe 944 powershell.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 3440 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Token: SeImpersonatePrivilege 3440 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe Token: SeDebugPrivilege 2300 powershell.exe Token: SeDebugPrivilege 2944 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 1608 powershell.exe Token: SeDebugPrivilege 944 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 3440 wrote to memory of 1720 3440 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 87 PID 3440 wrote to memory of 1720 3440 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 87 PID 3440 wrote to memory of 1720 3440 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 87 PID 1528 wrote to memory of 2300 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 94 PID 1528 wrote to memory of 2300 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 94 PID 1528 wrote to memory of 2300 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 94 PID 1528 wrote to memory of 1740 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 96 PID 1528 wrote to memory of 1740 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 96 PID 1740 wrote to memory of 4820 1740 cmd.exe 98 PID 1740 wrote to memory of 4820 1740 cmd.exe 98 PID 1528 wrote to memory of 2944 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 99 PID 1528 wrote to memory of 2944 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 99 PID 1528 wrote to memory of 2944 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 99 PID 1528 wrote to memory of 3908 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 101 PID 1528 wrote to memory of 3908 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 101 PID 1528 wrote to memory of 3908 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 101 PID 1528 wrote to memory of 5100 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 103 PID 1528 wrote to memory of 5100 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 103 PID 1528 wrote to memory of 5100 1528 6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe 103 PID 5100 wrote to memory of 1608 5100 csrss.exe 104 PID 5100 wrote to memory of 1608 5100 csrss.exe 104 PID 5100 wrote to memory of 1608 5100 csrss.exe 104 PID 5100 wrote to memory of 944 5100 csrss.exe 110 PID 5100 wrote to memory of 944 5100 csrss.exe 110 PID 5100 wrote to memory of 944 5100 csrss.exe 110 -
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\6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe"C:\Users\Admin\AppData\Local\Temp\6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720
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C:\Users\Admin\AppData\Local\Temp\6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.exe"C:\Users\Admin\AppData\Local\Temp\6743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027.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:1528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2300
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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:1740 -
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:4820
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2944
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3908
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608
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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:4084
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:396
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:944
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵PID:1620
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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⤵PID:3760
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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:1540
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:2228
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C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵PID:3816
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C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
PID:1684
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:4548
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD555eeedfe95ca69df67a31daa601f8f5c
SHA1531f08437cf20de15bbf0cb260d56e0e62623de6
SHA2568dfa01b4fe2f1be656d396c0700bb67fb2bb1fd2591a26c0324a00adf18125e4
SHA5128d71dcc70a92933107ad59a7d11c13e1072d55deddab37d8ad424a6d238e49acbd1254ebd0ca493d08e2b0f74abdbe131745d6b3499a1d25ff71b098cb21d47a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cfa47360cc8a3960bcdd19734f214d5a
SHA19818e5f77139ca641d33604a48df74587a426f3d
SHA256af21ab989e817ce8404cdfbd92a5734a24377190803e6fad62901c92a63fe7a1
SHA512f5d8594e5ce1f85236c9acd10e67eacf2795c3af22f142d954f00ddb8b7c08bc13ef2556f94a53a344d28cc9f69fb33a7c8714f4b9db6ec74e3cefc43248b761
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c72322e9cd0c736551661c33a74a9f3
SHA1c8b92947b0b63bd9220226bb35cb952ca5410034
SHA2567b7182a5a26e67d1fa0b46e487ad0ea1302d6cb1f1559785bd55709dca81fdab
SHA51296cb58e305f4316dc935847f4d407e144b83f8d640b57e74709ffde7e39e7a676d673c77bc085a93d02239d002a719b5a72e379fb9a76659be1fb84d4b908134
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569035066660c39e81b1fc295ea44a831
SHA13e8fb3653c223952996da188ecd7211cf7c278bb
SHA256721c012f0e328909964154f3e24926232225c27f15a18b9463cb5ca2ac0b5496
SHA512e8e676de0da7e8db05cbeff611cc43179c14ac271e79fb8bdef0565a1f2eb74e9c524b3435034f77fe1b5c7c531b575c613a3792a0c2205c2411ba0543fd9414
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa74800ad31ecafdda7829c3c8ecd6f8
SHA17001671fe85fe47bb13b6dfe7c55e641da7deaa6
SHA256d1608d9f944add84e70872f79978e0d012857b0c2edadaf24d877b5d7f036ad5
SHA51278b480d59e72822e6ad17c8ffba240c2957406da45138d7d6e1d7b187c3f2a25f09d13916b5e1b0b4ab35d6f0ad7339c571eb8362c3b1de9dcb168a0b1bb9ea6
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Filesize
4.2MB
MD58fd2b4ce721563b89d313ec0d5283d62
SHA151d31a9e5aec6ff42c2bd0ffc041b9b170fef505
SHA2566743985174a766c5e8eb2ff26f09308e0d7783710e74d20504e7c533a1f8e027
SHA5126421db81816f265452625e3b00ab368b24e4d9c8a809354df2101b08b727b12c2e63544ddf4f577732bca23a32c2a332814c7a51277df7eaa4e247182c189396
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec