Analysis
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max time kernel
150s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
20/03/2024, 01:27
Static task
static1
Behavioral task
behavioral1
Sample
1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe
Resource
win10v2004-20231215-en
General
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Target
1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe
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Size
4.1MB
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MD5
81468f577eff9999b4274c5ffa2608dc
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SHA1
2bb823c6c6d24c78d7bc495eff5382d91e7c76c5
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SHA256
1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307
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SHA512
fd45877675606365b01a43201c01ce88027c14c2d45f55dbd889e7bafbebc68565f091bacf17736c4e17b7a0f5f6f0c06cef2dae169d7de34288c71d8a8d8a66
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SSDEEP
98304:PAxTlyOTL5mqpqOXdOoi6ydg2HDBKUyY+HpMgEJhHo:KdhXd682jBc2gMlo
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4504-2-0x0000000002FC0000-0x00000000038AB000-memory.dmp family_glupteba behavioral2/memory/4504-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3656-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-55-0x0000000002FC0000-0x00000000038AB000-memory.dmp family_glupteba behavioral2/memory/4504-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3656-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3656-145-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-282-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-285-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3768 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1384 csrss.exe 4508 injector.exe 2596 windefender.exe 1228 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a79a-246.dat upx behavioral2/files/0x000200000002a79a-245.dat upx behavioral2/files/0x000200000002a79a-248.dat upx behavioral2/memory/2596-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1228-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1228-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\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 -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 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 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe File created C:\Windows\rss\csrss.exe 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2880 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 2680 schtasks.exe 1448 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2496 powershell.exe 2496 powershell.exe 4504 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 4504 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3132 powershell.exe 3132 powershell.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 944 powershell.exe 944 powershell.exe 4332 powershell.exe 4332 powershell.exe 4880 powershell.exe 4880 powershell.exe 2256 powershell.exe 2256 powershell.exe 3552 powershell.exe 3552 powershell.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 1384 csrss.exe 1384 csrss.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 1384 csrss.exe 1384 csrss.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 1384 csrss.exe 1384 csrss.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe 4508 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2496 powershell.exe Token: SeDebugPrivilege 4504 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Token: SeImpersonatePrivilege 4504 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe Token: SeDebugPrivilege 3132 powershell.exe Token: SeDebugPrivilege 944 powershell.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 2256 powershell.exe Token: SeDebugPrivilege 3552 powershell.exe Token: SeSystemEnvironmentPrivilege 1384 csrss.exe Token: SeSecurityPrivilege 2880 sc.exe Token: SeSecurityPrivilege 2880 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4504 wrote to memory of 2496 4504 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 83 PID 4504 wrote to memory of 2496 4504 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 83 PID 4504 wrote to memory of 2496 4504 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 83 PID 3656 wrote to memory of 3132 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 89 PID 3656 wrote to memory of 3132 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 89 PID 3656 wrote to memory of 3132 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 89 PID 3656 wrote to memory of 1476 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 91 PID 3656 wrote to memory of 1476 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 91 PID 1476 wrote to memory of 3768 1476 cmd.exe 93 PID 1476 wrote to memory of 3768 1476 cmd.exe 93 PID 3656 wrote to memory of 944 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 94 PID 3656 wrote to memory of 944 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 94 PID 3656 wrote to memory of 944 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 94 PID 3656 wrote to memory of 4332 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 96 PID 3656 wrote to memory of 4332 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 96 PID 3656 wrote to memory of 4332 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 96 PID 3656 wrote to memory of 1384 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 98 PID 3656 wrote to memory of 1384 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 98 PID 3656 wrote to memory of 1384 3656 1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe 98 PID 1384 wrote to memory of 4880 1384 csrss.exe 99 PID 1384 wrote to memory of 4880 1384 csrss.exe 99 PID 1384 wrote to memory of 4880 1384 csrss.exe 99 PID 1384 wrote to memory of 2256 1384 csrss.exe 105 PID 1384 wrote to memory of 2256 1384 csrss.exe 105 PID 1384 wrote to memory of 2256 1384 csrss.exe 105 PID 1384 wrote to memory of 3552 1384 csrss.exe 107 PID 1384 wrote to memory of 3552 1384 csrss.exe 107 PID 1384 wrote to memory of 3552 1384 csrss.exe 107 PID 1384 wrote to memory of 4508 1384 csrss.exe 109 PID 1384 wrote to memory of 4508 1384 csrss.exe 109 PID 2596 wrote to memory of 3428 2596 windefender.exe 115 PID 2596 wrote to memory of 3428 2596 windefender.exe 115 PID 2596 wrote to memory of 3428 2596 windefender.exe 115 PID 3428 wrote to memory of 2880 3428 cmd.exe 116 PID 3428 wrote to memory of 2880 3428 cmd.exe 116 PID 3428 wrote to memory of 2880 3428 cmd.exe 116 -
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\1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe"C:\Users\Admin\AppData\Local\Temp\1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2496
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C:\Users\Admin\AppData\Local\Temp\1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.exe"C:\Users\Admin\AppData\Local\Temp\1bdf6678d88cebbe9c3efa18a29225369ae77ab156ef00d03627f36c58419307.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:3656 -
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:3132
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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:1476 -
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:3768
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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:944
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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:4332
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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.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384 -
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:4880
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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:2680
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1452
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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:2256
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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:3552
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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:4508
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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:1448
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2596 -
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⤵
- Suspicious use of WriteProcessMemory
PID:3428 -
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
- Suspicious use of AdjustPrivilegeToken
PID:2880
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1228
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
143KB
MD5f7c426c1763a88527e9e19e1eca2ae1c
SHA1805839c882d15e9364b1b8a316f696edc994cae9
SHA256b7eef943a5b4c6396af23e10456ca8ce072b8d359e5489c9711ded48eff9160f
SHA5124e07308d17e8494f4db2eb5d4e8c7ba21252fc8158dd141cc7f2755ab970d0068dc514650abf5c43f3913c1664a39c9c81ba4869ec25e6935d5f5a6e3ec824ca
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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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9a718dd46244ab43c769751430a2ad3
SHA11a8f98ad8bb051999d45b148463e20c537083d2d
SHA25615d0b9927498d353e1c71e5f9b07bc0dc36c16a3c07f029908b410e3d24f7e25
SHA512996bb70bbf19117144dc45659e94a47d02089e1bf2e3f225ea61f66b870435d070942fa4afe8cb27039def9b4da80e33a59356927976cd34d72d9d555b1febc6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5757230e1a9b1341d74546d0bae1d7f56
SHA19da6edede3560ef94b49fcf4ae85b45fab4d10ab
SHA2566069e8c2d6d1fe694af8cce448e513d978b7130e2c933f31f5848e45b412f427
SHA512b820e0275ab4bb7c67c53ce5ac7a7557bdd96f12f02e78fb4542719efe7f2ac631a460c0be0a9c76feddf3235da947de3041f46f14aba554fe5d0b539287e30f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d799cf1372ad6802650fc303db7f7a4f
SHA1181eae3a4dc09f169c95dc93880bc162e894a0a8
SHA256467003f978fa82c3af3e29bb78bc1c0a6e1d9597fa51440eb78f6bd88ed6888d
SHA512a4af200dfbcf092d6099f56b9c6f99cf8e3ad226775c84515d31704ec5ae995dbef4b61d5b638a80b5aee54dd68a0a3086ea511add7a432429751da24e76df16
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5113199060556da51bae8cc3432026581
SHA1e134a3f0f72adcb3de868f1e48a7cc09fb69bc14
SHA256dda70c25799bee98b2d1752ad821dbce60034f7407922edf8ceabf033e255d5f
SHA512dfd1c1cbe5464e1f9ae91f87a55b1e94836704b1aed1d7b2f20f77273783c32f9ba434ad86cb670a39b36fbe038aba985be9c3d22edad3ab50f2167c151690ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e27ef031fdf3b5e51ccf9f70896aa628
SHA1844797d8d2b882f4ef6ac3a4bdc4ba5fdfbbf938
SHA256dbff5dfa646c6d8e54d056bd2dcd2c2f44bff446f27ab2cf58252d2e5499e0c7
SHA51216f390c2a71cc7a4378f5ae18093a82fe01d60f7a6a9dc7a71fd23248eff1a920c429c723ae4df80aafd1290c0280bb01de52c9110b69d685ab8ea32d032d35f
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Filesize
139KB
MD5a6be4664a2885ea3e9c49f57046c81ff
SHA1ebbc5db5290611de597c2d76c3ab75647923b6ec
SHA256851775acf3b5150b43608300372fcb43acb1ba9670224727b350570fd5c64a99
SHA512bd9d63a20368bc17bc952cdeb4734bb94f3e4d3bf6b80289b20064f11c6b9a032028262b4d95ec5ac6c7cebe963b8d1a95c2103fe8d27edffc92712fa692f0f7
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Filesize
227KB
MD53cccc50fdaa03f35079157562cf750c5
SHA107c9f492cdf059dc69ed5b701ff4c49543a3bd47
SHA25694e7c9bd93da47c79cde54f9b924947c6a09b62993dcd1918dc27d5fb0110ff9
SHA512c976e697cea6390f3888fdafc49dbb678706669d228589c023ededab2086117ab1a92c57c921fc266a29ccaa1adc4624b9645bd9a77180bac683d38af693bbba
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Filesize
209KB
MD5d6c8ab6da3b29a26ae15d24131442170
SHA1cf0f783b44a59cc51b1eeaf16a1455571bd46904
SHA256d12f4abba457f097a64dafc3bec53960ec198cc6be99f92d5a5a0cf58525f341
SHA5129b44f7eb76f43fcdac8ef68ae9f340e77d96f225f4e22ac7e6044330a164ecf3d2ae8dcaf20cb22ff3754235ab58f71345a2c5cd86b230c583767560c6032efa
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Filesize
187KB
MD552f3134afa0b5384e5b9bd687b19c735
SHA18069da2f2d1d9fc321a6fde65af6f40428ea55e2
SHA256ed0230753b176c12452f617bdbbe3e42d95fcf6323a0be519bdf2b856309826f
SHA5128b0815bd95f65f2c11df35815ea7d9bd24b7ec4cf484b886985665d3a8c047a18b4a145f2b8ea619d4ebc47a81f5e6e7715a666fa73086e26651ee50c6f2b3db
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Filesize
79KB
MD50800883865d370eaee2aee2e5cfd5b36
SHA19e5a09678e04474aaf476692c323ffa4ed41f7ca
SHA25675376cd8346ab5382d8960406f4bb9b9473db94c65ab70bfe9568465d2fa6600
SHA512a718f9ede6d09d6ce808388a2ec988f6ba1f6ce1a9d93b5b263225a617807cd083242bfc1dc7962977d4a149b9ac5dd8894157a1171a5bf5175598dc45cecfae