Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 19 IoCs
resource yara_rule behavioral1/memory/1312-2-0x0000000004490000-0x0000000004D7B000-memory.dmp family_glupteba behavioral1/memory/1312-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1312-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1312-57-0x0000000004490000-0x0000000004D7B000-memory.dmp family_glupteba behavioral1/memory/1312-55-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3496-134-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-218-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-228-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-230-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-232-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-234-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-236-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-238-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-240-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-242-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-244-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-246-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-248-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/2728-250-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2996 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2728 csrss.exe 5056 injector.exe 3772 windefender.exe 4080 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023419-221.dat upx behavioral1/memory/3772-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4080-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3772-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4080-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4080-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4080-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 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 2108 sc.exe -
pid Process 4044 powershell.exe 4728 powershell.exe 1012 powershell.exe 4112 powershell.exe 1692 powershell.exe 3292 powershell.exe 1428 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1424 1312 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3376 schtasks.exe 5020 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.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,-461 = "Afghanistan Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.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,-962 = "Paraguay Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-2592 = "Tocantins Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.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,-571 = "China Daylight Time" windefender.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,-1871 = "Russia TZ 7 Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.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\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1428 powershell.exe 1428 powershell.exe 1312 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 1312 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 4044 powershell.exe 4044 powershell.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 4728 powershell.exe 4728 powershell.exe 4728 powershell.exe 1012 powershell.exe 1012 powershell.exe 1012 powershell.exe 4112 powershell.exe 4112 powershell.exe 4112 powershell.exe 1692 powershell.exe 1692 powershell.exe 3292 powershell.exe 3292 powershell.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 2728 csrss.exe 2728 csrss.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 2728 csrss.exe 2728 csrss.exe 5056 injector.exe 5056 injector.exe 2728 csrss.exe 2728 csrss.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe 5056 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1428 powershell.exe Token: SeDebugPrivilege 1312 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Token: SeImpersonatePrivilege 1312 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe Token: SeDebugPrivilege 4044 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 4112 powershell.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeSystemEnvironmentPrivilege 2728 csrss.exe Token: SeSecurityPrivilege 2108 sc.exe Token: SeSecurityPrivilege 2108 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1312 wrote to memory of 1428 1312 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 85 PID 1312 wrote to memory of 1428 1312 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 85 PID 1312 wrote to memory of 1428 1312 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 85 PID 3496 wrote to memory of 4044 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 98 PID 3496 wrote to memory of 4044 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 98 PID 3496 wrote to memory of 4044 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 98 PID 3496 wrote to memory of 4628 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 103 PID 3496 wrote to memory of 4628 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 103 PID 4628 wrote to memory of 2996 4628 cmd.exe 105 PID 4628 wrote to memory of 2996 4628 cmd.exe 105 PID 3496 wrote to memory of 4728 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 107 PID 3496 wrote to memory of 4728 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 107 PID 3496 wrote to memory of 4728 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 107 PID 3496 wrote to memory of 1012 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 109 PID 3496 wrote to memory of 1012 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 109 PID 3496 wrote to memory of 1012 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 109 PID 3496 wrote to memory of 2728 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 111 PID 3496 wrote to memory of 2728 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 111 PID 3496 wrote to memory of 2728 3496 e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167.exe 111 PID 2728 wrote to memory of 4112 2728 csrss.exe 112 PID 2728 wrote to memory of 4112 2728 csrss.exe 112 PID 2728 wrote to memory of 4112 2728 csrss.exe 112 PID 2728 wrote to memory of 1692 2728 csrss.exe 118 PID 2728 wrote to memory of 1692 2728 csrss.exe 118 PID 2728 wrote to memory of 1692 2728 csrss.exe 118 PID 2728 wrote to memory of 3292 2728 csrss.exe 120 PID 2728 wrote to memory of 3292 2728 csrss.exe 120 PID 2728 wrote to memory of 3292 2728 csrss.exe 120 PID 2728 wrote to memory of 5056 2728 csrss.exe 122 PID 2728 wrote to memory of 5056 2728 csrss.exe 122 PID 3772 wrote to memory of 2672 3772 windefender.exe 128 PID 3772 wrote to memory of 2672 3772 windefender.exe 128 PID 3772 wrote to memory of 2672 3772 windefender.exe 128 PID 2672 wrote to memory of 2108 2672 cmd.exe 129 PID 2672 wrote to memory of 2108 2672 cmd.exe 129 PID 2672 wrote to memory of 2108 2672 cmd.exe 129 -
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:1312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1428
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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:3496 -
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:4044
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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:4628 -
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:2996
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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:4728
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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:1012
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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:2728 -
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:4112
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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:3376
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:632
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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:1692
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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:3292
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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:5056
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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:5020
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3772 -
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:2672 -
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:2108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1312 -s 6282⤵
- Program crash
PID:1424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1312 -ip 13121⤵PID:2804
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4080
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5877058172d91824f51266cb6a0436912
SHA1fbeb2333b9510c85f5126208903e78551801e565
SHA256260ccf7ae2fa6fba1edb959ffdf12357524259b5760faae68d02a4c8982c7822
SHA5124317bcf6677677e62ae34b9960b834c3ab0b0228688fb680e5fcf840016495c8b62fdbe1ef669c91d98be4aa108a880247609cce75712c770a72374305b26919
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5347402c4646653a00691ba9ddff148be
SHA16a955d63c9b2223cdc2ce32a9da29532345ccf59
SHA2566bd776191ce03d7f565812a6ac332b621558a3efb777c534829a242ad0ec63b5
SHA5126767b756f2f2b9f3d7895bafa8c816e928f511e9d1eac199c3aa032a161f6219a748977a5147bb196c5d477cf03b7e63c865218ed902a6f233fcafc1d4a03e5f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ca03662461123678cc6bcc535089fc0
SHA1c89faf0cc027a42fd37425433ef65e932e452dcb
SHA2561339706e4dfef219f28b18b934422c1fcb66246a27c9ef6158a7848c1411c43d
SHA512addc06729351a926ba33af7cc84b675abdf905d9aae9d2f7dae28560c50f77f84d94ba96fa67458ab7e2cf13d5bbae20111f8485d92399ca9e7117b36311e9f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5589fe54c6377e6964acaf31a91be0139
SHA1a9bb10bde99dd6fe73eb5227f1f1bfb6bde5822a
SHA2560d9703a1ffd9677514f58755aa5b7293e5ace92595bf4f7c0dcd54a25892afce
SHA5125f3ff24101fad4b64b1ee3c6fdbeda7165c3bae3bd078bd13aef4aea7138f77169f05dbcba390411978662da55ebc285100c6e1a6ca47dd47fd4cf01ac49904d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5862cfe1f258b3a1a43b5b3a69885fb05
SHA140ecda97af31c2355b731d4a6e6e5e41ff34c5ee
SHA25616a6a6d6ec82cd0c933b1cd9550719ed6c256826dfefd7686aeba24a4960f614
SHA512e6f1c770b16f8604c4d1c395d798c4660d15a43286a4c4946f7f922f4ddd76fa2449b7cc542915d7ed207ff19f073e5206d1fb4eee5bdd2d7778a6526c5b49ab
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Filesize
4.1MB
MD513c93e83e0c88b132e67fb0a2785cb36
SHA1dbd0ba5e97752a2be3f4c4a0ddbb446d5bc4476f
SHA256e76b0d442257b858b6fa9cf9359aee81baffd2e3caa64f00b62a3eefda826167
SHA512e26588221f737aa86b5c946cc658add9645fa819b733baf9fd2a8296051dbdcb0a43b82bd92a4b0ec0a6b33b6ed1889d51a00b1db8e3691020e78d9c41ecfd98
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec