Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 15:28
Static task
static1
Behavioral task
behavioral1
Sample
c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe
Resource
win10v2004-20240508-en
General
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Target
c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe
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Size
4.1MB
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MD5
24c92aba13ac2dbf74a31a971ce20189
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SHA1
6180a02ba14469b9cac7d438efe53751c4c2a20e
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SHA256
c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96
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SHA512
fcf33ba7237cbdfc8c5db94b200d590d2b207b7edd6afdf3c949c3a751a7a96537f7c163c0c9e811f4e6bd1e732a972de10c45264c49dd120a616e4a2bf96ed8
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SSDEEP
98304:z3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTh:z3/aer8lIiPc9ySnggpxAJiIuBVpFii9
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/936-2-0x00000000048E0000-0x00000000051CB000-memory.dmp family_glupteba behavioral1/memory/936-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/936-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/936-57-0x00000000048E0000-0x00000000051CB000-memory.dmp family_glupteba behavioral1/memory/936-54-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4068-131-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4068-215-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-223-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-234-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-240-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-246-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-249-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-252-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-258-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-261-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/2960-264-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1368 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2960 csrss.exe 960 injector.exe 4560 windefender.exe 1988 windefender.exe -
resource yara_rule behavioral1/files/0x0006000000022973-226.dat upx behavioral1/memory/4560-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1988-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4560-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1988-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1988-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe File created C:\Windows\rss\csrss.exe c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.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 3124 sc.exe -
pid Process 2264 powershell.exe 3232 powershell.exe 3040 powershell.exe 792 powershell.exe 3472 powershell.exe 4508 powershell.exe 1316 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 2128 schtasks.exe 4532 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-1721 = "Libya Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-1802 = "Line Islands Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.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\ProxyBypass = "1" 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\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.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,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.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\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western 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\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2264 powershell.exe 2264 powershell.exe 936 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 936 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3232 powershell.exe 3232 powershell.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 3040 powershell.exe 3040 powershell.exe 792 powershell.exe 792 powershell.exe 3472 powershell.exe 3472 powershell.exe 4508 powershell.exe 4508 powershell.exe 1316 powershell.exe 1316 powershell.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 2960 csrss.exe 2960 csrss.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 2960 csrss.exe 2960 csrss.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 2960 csrss.exe 2960 csrss.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe 960 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 936 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Token: SeImpersonatePrivilege 936 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe Token: SeDebugPrivilege 3232 powershell.exe Token: SeDebugPrivilege 3040 powershell.exe Token: SeDebugPrivilege 792 powershell.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 4508 powershell.exe Token: SeDebugPrivilege 1316 powershell.exe Token: SeSystemEnvironmentPrivilege 2960 csrss.exe Token: SeSecurityPrivilege 3124 sc.exe Token: SeSecurityPrivilege 3124 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 936 wrote to memory of 2264 936 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 84 PID 936 wrote to memory of 2264 936 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 84 PID 936 wrote to memory of 2264 936 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 84 PID 4068 wrote to memory of 3232 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 94 PID 4068 wrote to memory of 3232 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 94 PID 4068 wrote to memory of 3232 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 94 PID 4068 wrote to memory of 1740 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 98 PID 4068 wrote to memory of 1740 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 98 PID 1740 wrote to memory of 1368 1740 cmd.exe 100 PID 1740 wrote to memory of 1368 1740 cmd.exe 100 PID 4068 wrote to memory of 3040 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 101 PID 4068 wrote to memory of 3040 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 101 PID 4068 wrote to memory of 3040 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 101 PID 4068 wrote to memory of 792 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 103 PID 4068 wrote to memory of 792 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 103 PID 4068 wrote to memory of 792 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 103 PID 4068 wrote to memory of 2960 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 105 PID 4068 wrote to memory of 2960 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 105 PID 4068 wrote to memory of 2960 4068 c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe 105 PID 2960 wrote to memory of 3472 2960 csrss.exe 106 PID 2960 wrote to memory of 3472 2960 csrss.exe 106 PID 2960 wrote to memory of 3472 2960 csrss.exe 106 PID 2960 wrote to memory of 4508 2960 csrss.exe 111 PID 2960 wrote to memory of 4508 2960 csrss.exe 111 PID 2960 wrote to memory of 4508 2960 csrss.exe 111 PID 2960 wrote to memory of 1316 2960 csrss.exe 114 PID 2960 wrote to memory of 1316 2960 csrss.exe 114 PID 2960 wrote to memory of 1316 2960 csrss.exe 114 PID 2960 wrote to memory of 960 2960 csrss.exe 117 PID 2960 wrote to memory of 960 2960 csrss.exe 117 PID 4560 wrote to memory of 1488 4560 windefender.exe 125 PID 4560 wrote to memory of 1488 4560 windefender.exe 125 PID 4560 wrote to memory of 1488 4560 windefender.exe 125 PID 1488 wrote to memory of 3124 1488 cmd.exe 126 PID 1488 wrote to memory of 3124 1488 cmd.exe 126 PID 1488 wrote to memory of 3124 1488 cmd.exe 126 -
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\c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe"C:\Users\Admin\AppData\Local\Temp\c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2264
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C:\Users\Admin\AppData\Local\Temp\c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.exe"C:\Users\Admin\AppData\Local\Temp\c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96.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:4068 -
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:3232
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1368
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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:3040
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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:792
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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:2960 -
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:3472
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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:2128
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4640
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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:4508
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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:1316
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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:960
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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:4532
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4560 -
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:1488 -
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:3124
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1988
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
MD50b922fca5b023806131bf17051dcac9c
SHA154f54a05bd48453cef70f1c831bf6268909c9acc
SHA256aad49f606e8d28c50077514d482f6287b161ca369cba6705bbfd6c78f24847b8
SHA5120797f4e85e78eca0e71a00e382b4c93f486789e1eeaf85ab2a8e9e609f1f67f5ab705671346eba17ce176f7c8af191ad223b642ebb4b1bfdef4a180f4576152b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544acf3fa776d842eff7aa418ebc5870d
SHA1d4fedf67f14dccbbfe545de3145d9e2730c546a6
SHA256a2245e7f5f5b7f29d3c250b8394d2d454e93c6de255fbba45e6ae1015e350a3b
SHA512cf9cf4ae1e7a2ab70048b749a149034121a9b60aea70b24d3e53f55cbe00f6202ff0b22112e48fd74ceb1b2fce4db6952b2754264d42d65060a766ceed352fa0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5739e844f555b7706178924c1c65c37f5
SHA18125f0688cf05ef30b95b8b2469adf948114c9ba
SHA256131e183faf332fbbecc7f7877ab8940b6d4f709cb19d71a42e026155dc34eab0
SHA512c19d55714cb6539b059fb36327581ca8f64feba556d3f5780c624f450f23e95edcf60c283d311dcd712d679cc58aa0ae6348b387dd6b8045ce8655926f456f39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f07fadb9925ec7339bf524af35a61593
SHA1577bd961a304fdff33ab29b54c67fe1096f5c68a
SHA256edb7d35e9f815e0d7706bb818afd43d8c8bd2a227ae8fa700c5a282761645698
SHA512859ecb1e9be22f416229ed3d58eea9827956628b6da4c140ebc8d2b2e3184a9cfedaaa127c4ca513d4c6df59d31826c31178dc98dd4c219ce56d67fa095d44ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a17d2159038715423d86977b410b8ea
SHA14c85aa30aef9e038f48193653ba9fdf5fbe6c6be
SHA256433ff1a1d303919f3c42a5e04cc8fd85612c4de129d8adfcc8b5143fbef59998
SHA51234e1ed0b6966e75493f8c542e7a0134c951237cbc584d8ee04a982c45ca47c88ebb38a00b213a654f2521d02827db8491254de6e8d17a7682faf26789fe329b1
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Filesize
4.1MB
MD524c92aba13ac2dbf74a31a971ce20189
SHA16180a02ba14469b9cac7d438efe53751c4c2a20e
SHA256c689effe850ab8cd8d6dd68bfe4c9cc21d31d818f89093c5e12e683666e23e96
SHA512fcf33ba7237cbdfc8c5db94b200d590d2b207b7edd6afdf3c949c3a751a7a96537f7c163c0c9e811f4e6bd1e732a972de10c45264c49dd120a616e4a2bf96ed8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec