Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe
Resource
win10v2004-20240226-en
General
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Target
d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe
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Size
4.1MB
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MD5
fe424a1ffa0635ca7082ad0dc0a765c8
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SHA1
1022f2891f2e81e4ed2cf6b7bacd5241356c4854
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SHA256
d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410
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SHA512
ecd5b53aacc9043675bb6e1a5d3525ac16ab6ace8a31da7e805c7faf2ef67135aa0971f8d82ace36f4bedf4092154d914e1b7a033f4dbd8f73c481af49cda6dc
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SSDEEP
98304:gafxS+/KFMRhUpFC/J2Pi0cUKp/eH4HXqRotZhpRBIVvLyjK:g4KGRhU7CB2KZRm43qRo3hpTjK
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1892-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/1892-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1892-76-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/1892-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3384-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3384-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1384-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2352 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1384 csrss.exe 4056 injector.exe 964 windefender.exe 232 windefender.exe -
resource yara_rule behavioral2/files/0x000100000002a9bb-206.dat upx behavioral2/memory/964-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/232-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/964-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/232-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/232-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 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 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 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe File created C:\Windows\rss\csrss.exe d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2588 sc.exe -
pid Process 3672 powershell.exe 4056 powershell.exe 828 powershell.exe 4192 powershell.exe 228 powershell.exe 2668 powershell.exe 2776 powershell.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 5096 schtasks.exe 4196 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4056 powershell.exe 4056 powershell.exe 1892 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 1892 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 828 powershell.exe 828 powershell.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 4192 powershell.exe 4192 powershell.exe 228 powershell.exe 228 powershell.exe 2668 powershell.exe 2668 powershell.exe 2776 powershell.exe 2776 powershell.exe 3672 powershell.exe 3672 powershell.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 1384 csrss.exe 1384 csrss.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 1384 csrss.exe 1384 csrss.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 1384 csrss.exe 1384 csrss.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe 4056 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4056 powershell.exe Token: SeDebugPrivilege 1892 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Token: SeImpersonatePrivilege 1892 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe Token: SeDebugPrivilege 828 powershell.exe Token: SeDebugPrivilege 4192 powershell.exe Token: SeDebugPrivilege 228 powershell.exe Token: SeDebugPrivilege 2668 powershell.exe Token: SeDebugPrivilege 2776 powershell.exe Token: SeDebugPrivilege 3672 powershell.exe Token: SeSystemEnvironmentPrivilege 1384 csrss.exe Token: SeSecurityPrivilege 2588 sc.exe Token: SeSecurityPrivilege 2588 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1892 wrote to memory of 4056 1892 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 78 PID 1892 wrote to memory of 4056 1892 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 78 PID 1892 wrote to memory of 4056 1892 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 78 PID 3384 wrote to memory of 828 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 83 PID 3384 wrote to memory of 828 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 83 PID 3384 wrote to memory of 828 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 83 PID 3384 wrote to memory of 2456 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 85 PID 3384 wrote to memory of 2456 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 85 PID 2456 wrote to memory of 2352 2456 cmd.exe 87 PID 2456 wrote to memory of 2352 2456 cmd.exe 87 PID 3384 wrote to memory of 4192 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 88 PID 3384 wrote to memory of 4192 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 88 PID 3384 wrote to memory of 4192 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 88 PID 3384 wrote to memory of 228 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 90 PID 3384 wrote to memory of 228 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 90 PID 3384 wrote to memory of 228 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 90 PID 3384 wrote to memory of 1384 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 92 PID 3384 wrote to memory of 1384 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 92 PID 3384 wrote to memory of 1384 3384 d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe 92 PID 1384 wrote to memory of 2668 1384 csrss.exe 93 PID 1384 wrote to memory of 2668 1384 csrss.exe 93 PID 1384 wrote to memory of 2668 1384 csrss.exe 93 PID 1384 wrote to memory of 2776 1384 csrss.exe 99 PID 1384 wrote to memory of 2776 1384 csrss.exe 99 PID 1384 wrote to memory of 2776 1384 csrss.exe 99 PID 1384 wrote to memory of 3672 1384 csrss.exe 101 PID 1384 wrote to memory of 3672 1384 csrss.exe 101 PID 1384 wrote to memory of 3672 1384 csrss.exe 101 PID 1384 wrote to memory of 4056 1384 csrss.exe 103 PID 1384 wrote to memory of 4056 1384 csrss.exe 103 PID 964 wrote to memory of 2216 964 windefender.exe 109 PID 964 wrote to memory of 2216 964 windefender.exe 109 PID 964 wrote to memory of 2216 964 windefender.exe 109 PID 2216 wrote to memory of 2588 2216 cmd.exe 110 PID 2216 wrote to memory of 2588 2216 cmd.exe 110 PID 2216 wrote to memory of 2588 2216 cmd.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\d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe"C:\Users\Admin\AppData\Local\Temp\d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1892 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4056
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C:\Users\Admin\AppData\Local\Temp\d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.exe"C:\Users\Admin\AppData\Local\Temp\d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410.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:3384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:828
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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:2456 -
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:2352
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4192
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:228
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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
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2668
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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:5096
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4264
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3672
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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:4056
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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:4196
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:964 -
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:2216 -
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:2588
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:232
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595e02a6003a8aee6b0792159777e2a9d
SHA17937d0cf81320e45340681b7f4c0db1bd896e6cd
SHA256096522434a5a2c1f6e27ba5dacbdb9358156679e09de55c1bf2e5f364fc87dc8
SHA512d58b14111bf7ecd3e542775f274e6e5693bbe876b3e9a4eb7fbf887a33a6f39a611198df588f42b52efba396cbaffa7b13f1139abcac131166111c187df30487
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3befb737d7eda0bcd37adf48b91cfca
SHA1e6ae5db7c69d5ac2bc22c26d09c9a256aa38e2e3
SHA25602665e1bda71a33f8b81d1394251ce02a7b3a3dc692128c3d5a5df9d97bc63ff
SHA5126d9ab863e5b1b90e2b1b69ac6989bd818acad3070ab86e323767b6abc035e14c64f5b02928566433f242e7733a4d631e54f7fe72fdb903461ec56d47c0b22848
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a968949bfe407156c3c1b931552198bc
SHA1daa5340eecccc98fd2ccafe154d05d93b0e283e4
SHA2562b9ef2c4ba5b6cf302da2f2d1231963ec759a8ab1bb771f4db5ec541536c0153
SHA512343f95c90881f83a892d9e202a805290496b77f7fda2a4b073cf087e22c8282ccb6b190f4512bd5dd4854d0cb9852f77ff052162d945aa3bc1414cd708f69e6f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bec800f0b7f8d77110f221ab068e00ed
SHA1ed0c59a4697e53da4cc5a10dd60e0d47bd1946d7
SHA256a0ce1acdd6c62446f014f45eddf29e411255d69cedfa105f1f6ed1b8f3750956
SHA5123c5fc9d4f847d4cec77d8d2164fa93bb1d179f190cc43d6f185ee7eac0571759c713702f43c1d990aa3d65324ba2978fa72796407babc6d5c1ac0bf604a490bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a74959e69be3eb7b9a79d6d012a64ed
SHA1c1e58ebcc61711d9f73d24dcdc312635372cf3c3
SHA256355b68928201f7aa6323bf2cc37c86fc3d91b77b99bc77126f2b55e80bfcddd6
SHA512881d7caa59495d46e7b64eb3efeaa987115bdf45ad44b896096557fc53802bf565455d7a0c40d542dcfe8d2a6166c6e18f19ba032153d67720a2fa3d5828b950
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Filesize
4.1MB
MD5fe424a1ffa0635ca7082ad0dc0a765c8
SHA11022f2891f2e81e4ed2cf6b7bacd5241356c4854
SHA256d50d82d9f77430a265e8b1d2bb6f1db2114e2a6e971d69d3fe737a9c14181410
SHA512ecd5b53aacc9043675bb6e1a5d3525ac16ab6ace8a31da7e805c7faf2ef67135aa0971f8d82ace36f4bedf4092154d914e1b7a033f4dbd8f73c481af49cda6dc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec