Analysis
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max time kernel
150s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 05:40
Static task
static1
Behavioral task
behavioral1
Sample
e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe
Resource
win10v2004-20240426-en
General
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Target
e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe
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Size
4.1MB
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MD5
13c93e83e0c88b132e67fb0a2785cb36
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SHA1
dbd0ba5e97752a2be3f4c4a0ddbb446d5bc4476f
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SHA256
e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167
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SHA512
e26588221f737aa86b5c946cc658add9645fa819b733baf9fd2a8296051dbdcb0a43b82bd92a4b0ec0a6b33b6ed1889d51a00b1db8e3691020e78d9c41ecfd98
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SSDEEP
98304:kWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+YZ:kW16ulMesXlnBp/sjruCqmtIOvaq
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/752-2-0x0000000004620000-0x0000000004F0B000-memory.dmp family_glupteba behavioral2/memory/752-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/752-54-0x0000000004620000-0x0000000004F0B000-memory.dmp family_glupteba behavioral2/memory/752-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/752-51-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/984-121-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/984-126-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-205-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-215-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-216-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-219-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-221-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-223-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-224-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-227-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-229-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-231-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-232-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-235-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral2/memory/4608-237-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3812 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4608 csrss.exe 2804 injector.exe 1288 windefender.exe 1808 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa36-208.dat upx behavioral2/memory/1288-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1808-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1288-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1808-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1808-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.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 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 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 -
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 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe File created C:\Windows\rss\csrss.exe e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.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 2792 sc.exe -
pid Process 4824 powershell.exe 4936 powershell.exe 2436 powershell.exe 4896 powershell.exe 2504 powershell.exe 3772 powershell.exe 4404 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 3584 schtasks.exe 3932 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard 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" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4896 powershell.exe 4896 powershell.exe 752 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 752 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 2504 powershell.exe 2504 powershell.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3772 powershell.exe 3772 powershell.exe 4404 powershell.exe 4404 powershell.exe 4824 powershell.exe 4824 powershell.exe 4936 powershell.exe 4936 powershell.exe 2436 powershell.exe 2436 powershell.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 4608 csrss.exe 4608 csrss.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 4608 csrss.exe 4608 csrss.exe 2804 injector.exe 2804 injector.exe 4608 csrss.exe 4608 csrss.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe 2804 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4896 powershell.exe Token: SeDebugPrivilege 752 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Token: SeImpersonatePrivilege 752 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 3772 powershell.exe Token: SeDebugPrivilege 4404 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 4936 powershell.exe Token: SeDebugPrivilege 2436 powershell.exe Token: SeSystemEnvironmentPrivilege 4608 csrss.exe Token: SeSecurityPrivilege 2792 sc.exe Token: SeSecurityPrivilege 2792 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 752 wrote to memory of 4896 752 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 82 PID 752 wrote to memory of 4896 752 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 82 PID 752 wrote to memory of 4896 752 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 82 PID 984 wrote to memory of 2504 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 87 PID 984 wrote to memory of 2504 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 87 PID 984 wrote to memory of 2504 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 87 PID 984 wrote to memory of 5076 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 89 PID 984 wrote to memory of 5076 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 89 PID 5076 wrote to memory of 3812 5076 cmd.exe 91 PID 5076 wrote to memory of 3812 5076 cmd.exe 91 PID 984 wrote to memory of 3772 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 92 PID 984 wrote to memory of 3772 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 92 PID 984 wrote to memory of 3772 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 92 PID 984 wrote to memory of 4404 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 94 PID 984 wrote to memory of 4404 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 94 PID 984 wrote to memory of 4404 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 94 PID 984 wrote to memory of 4608 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 96 PID 984 wrote to memory of 4608 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 96 PID 984 wrote to memory of 4608 984 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 96 PID 4608 wrote to memory of 4824 4608 csrss.exe 97 PID 4608 wrote to memory of 4824 4608 csrss.exe 97 PID 4608 wrote to memory of 4824 4608 csrss.exe 97 PID 4608 wrote to memory of 4936 4608 csrss.exe 102 PID 4608 wrote to memory of 4936 4608 csrss.exe 102 PID 4608 wrote to memory of 4936 4608 csrss.exe 102 PID 4608 wrote to memory of 2436 4608 csrss.exe 105 PID 4608 wrote to memory of 2436 4608 csrss.exe 105 PID 4608 wrote to memory of 2436 4608 csrss.exe 105 PID 4608 wrote to memory of 2804 4608 csrss.exe 107 PID 4608 wrote to memory of 2804 4608 csrss.exe 107 PID 1288 wrote to memory of 4052 1288 windefender.exe 113 PID 1288 wrote to memory of 4052 1288 windefender.exe 113 PID 1288 wrote to memory of 4052 1288 windefender.exe 113 PID 4052 wrote to memory of 2792 4052 cmd.exe 114 PID 4052 wrote to memory of 2792 4052 cmd.exe 114 PID 4052 wrote to memory of 2792 4052 cmd.exe 114 -
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\e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe"C:\Users\Admin\AppData\Local\Temp\e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4896
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C:\Users\Admin\AppData\Local\Temp\e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe"C:\Users\Admin\AppData\Local\Temp\e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.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:984 -
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:2504
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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:5076 -
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:3812
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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:3772
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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:4404
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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:4608 -
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:4824
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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:3584
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4572
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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:4936
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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:2436
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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:2804
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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:3932
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1288 -
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:4052 -
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:2792
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1808
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548b1e52c43cf731e3a5f41b5a522f76c
SHA19a6c729f971dab87e9003e72b76d2b62881d2a11
SHA2562d535ce809b008e42cccd921e57c9cde2e832fc3a47b9a6da9f55113f8ec3c61
SHA51217ccc9a0745c2004abeb6bb15ffe5f75cf5dfe2ab39932c7b128e3040d24d2190a7598c8e968d0bf4ca903fb15c8fe9a429d3d9eb352a1919662c8cb9615b08b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c39ac496130963b7472b1b075e5b7a40
SHA144ff242f9d091b51925ad8fef90aa876070f77e1
SHA2562c7476fcbb344bbe1545e7482c1aa86c5435bd72e537d97597bdcf8156b43ed2
SHA512bc6eeacc6541c1d617e415261a9207b1dfbed9de04ccd20fc3728c71dd1475484a65fb05fc578a5ec1636f0f1cb1474000160dc1cc2e3d1b9d3ef3a3352ec711
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c70454e3e3038b6cd0fb9ee662a55b6
SHA1ed72012186d49604e6fbe2e576b88a19c5aa59d8
SHA2562407313a255372c4047bbed1bd9a981ba804b06b0d2cfef8e26990228f927383
SHA5125bb7c434e057b66651ddb1c897f0b7493d185b8efc48714165ef782eaa01b338b36ecbeb269bda7cc7431bbf7ccd5914e888f7982a6474acdd9b47671a9d3a51
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5efa20b6046a3a637c24e2b52c7707369
SHA19953d34eb0660563959d0a4891cd825963511511
SHA2567fcdfefd2ecad508e3233ce00fda3a9acae093d5705dda9b1db445798e6d0898
SHA5129039b10ec78235de532e7d228f0556a5a2f65d3868f82c5df33fe7e2668eae1b916e90c3d347fcc97e1b17315c67e45893b53f17b510b799cf6e7eef8688c95f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f3e0afcab0adc50c63f832462b5e1138
SHA1587048de42194b60e9158759345f6f9287fcff69
SHA256c27adc4d2158b7952dd1db70783123500959db36c6d29a15fbd624de5a37d506
SHA512147413acd932e96df15891366ad871074520d6941792d2d245f6097db8655a45b32fc0f9b17d56b63b1bb2e1005b6c6fca1df81328bc0c84e3f4e05abb466a4f
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Filesize
4.1MB
MD513c93e83e0c88b132e67fb0a2785cb36
SHA1dbd0ba5e97752a2be3f4c4a0ddbb446d5bc4476f
SHA256e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167
SHA512e26588221f737aa86b5c946cc658add9645fa819b733baf9fd2a8296051dbdcb0a43b82bd92a4b0ec0a6b33b6ed1889d51a00b1db8e3691020e78d9c41ecfd98
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec