Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
01-05-2024 16:19
Static task
static1
Behavioral task
behavioral1
Sample
dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe
Resource
win10v2004-20240419-en
General
-
Target
dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe
-
Size
4.2MB
-
MD5
4af362470a72c86a5ca0a26b829b952c
-
SHA1
2f4d25c7f7979534301e78da5c8e46eb99ead647
-
SHA256
dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052
-
SHA512
d80e1ab99b005cff01c0d05692f5c6384a8800656476bae7a599a56723a8aee8c7e3172b30f012c0958fdcf9c7281390162211521bc035e6c058204bede3d7b5
-
SSDEEP
98304:l/JQ0p3x8E8SPoR4RNZx2D64gtjtYEI4STUr/55MSjk:l/JQ0pqEXPoR4RvU1gjYEIpeBON
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2668-2-0x0000000005050000-0x000000000593B000-memory.dmp family_glupteba behavioral1/memory/2668-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2668-28-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2668-57-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/2668-59-0x0000000005050000-0x000000000593B000-memory.dmp family_glupteba behavioral1/memory/2668-84-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4520-83-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/4520-138-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-189-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-222-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-233-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-236-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-239-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-242-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-245-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-248-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-251-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-254-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba behavioral1/memory/508-257-0x0000000000400000-0x0000000002EE9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4672 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 508 csrss.exe 2612 injector.exe 3588 windefender.exe 1892 windefender.exe -
resource yara_rule behavioral1/files/0x0032000000023bb7-226.dat upx behavioral1/memory/3588-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1892-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3588-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1892-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1892-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\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.
-
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 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 -
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 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe File created C:\Windows\rss\csrss.exe dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.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 748 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4548 schtasks.exe 4536 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\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.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\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2531 = "Chatham Islands Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\@tzres.dll,-2161 = "Altai Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\@tzres.dll,-2772 = "Omsk Standard 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" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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,-192 = "Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-361 = "GTB Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1472 powershell.exe 1472 powershell.exe 2668 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 2668 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 2248 powershell.exe 2248 powershell.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 4484 powershell.exe 4484 powershell.exe 1096 powershell.exe 1096 powershell.exe 4440 powershell.exe 4440 powershell.exe 3668 powershell.exe 3668 powershell.exe 1840 powershell.exe 1840 powershell.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 508 csrss.exe 508 csrss.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 508 csrss.exe 508 csrss.exe 2612 injector.exe 2612 injector.exe 508 csrss.exe 508 csrss.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1472 powershell.exe Token: SeDebugPrivilege 2668 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Token: SeImpersonatePrivilege 2668 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe Token: SeDebugPrivilege 2248 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 1096 powershell.exe Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3668 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeSystemEnvironmentPrivilege 508 csrss.exe Token: SeSecurityPrivilege 748 sc.exe Token: SeSecurityPrivilege 748 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2668 wrote to memory of 1472 2668 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 95 PID 2668 wrote to memory of 1472 2668 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 95 PID 2668 wrote to memory of 1472 2668 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 95 PID 4520 wrote to memory of 2248 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 101 PID 4520 wrote to memory of 2248 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 101 PID 4520 wrote to memory of 2248 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 101 PID 4520 wrote to memory of 2740 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 103 PID 4520 wrote to memory of 2740 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 103 PID 2740 wrote to memory of 4672 2740 cmd.exe 105 PID 2740 wrote to memory of 4672 2740 cmd.exe 105 PID 4520 wrote to memory of 4484 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 107 PID 4520 wrote to memory of 4484 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 107 PID 4520 wrote to memory of 4484 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 107 PID 4520 wrote to memory of 1096 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 109 PID 4520 wrote to memory of 1096 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 109 PID 4520 wrote to memory of 1096 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 109 PID 4520 wrote to memory of 508 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 112 PID 4520 wrote to memory of 508 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 112 PID 4520 wrote to memory of 508 4520 dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe 112 PID 508 wrote to memory of 4440 508 csrss.exe 113 PID 508 wrote to memory of 4440 508 csrss.exe 113 PID 508 wrote to memory of 4440 508 csrss.exe 113 PID 508 wrote to memory of 3668 508 csrss.exe 119 PID 508 wrote to memory of 3668 508 csrss.exe 119 PID 508 wrote to memory of 3668 508 csrss.exe 119 PID 508 wrote to memory of 1840 508 csrss.exe 121 PID 508 wrote to memory of 1840 508 csrss.exe 121 PID 508 wrote to memory of 1840 508 csrss.exe 121 PID 508 wrote to memory of 2612 508 csrss.exe 123 PID 508 wrote to memory of 2612 508 csrss.exe 123 PID 3588 wrote to memory of 1760 3588 windefender.exe 129 PID 3588 wrote to memory of 1760 3588 windefender.exe 129 PID 3588 wrote to memory of 1760 3588 windefender.exe 129 PID 1760 wrote to memory of 748 1760 cmd.exe 130 PID 1760 wrote to memory of 748 1760 cmd.exe 130 PID 1760 wrote to memory of 748 1760 cmd.exe 130 -
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
-
C:\Users\Admin\AppData\Local\Temp\dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe"C:\Users\Admin\AppData\Local\Temp\dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1472
-
-
C:\Users\Admin\AppData\Local\Temp\dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.exe"C:\Users\Admin\AppData\Local\Temp\dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052.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:4520 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2248
-
-
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:2740 -
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:4672
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4484
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096
-
-
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:508 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4548
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4292
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3668
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840
-
-
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:2612
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4536
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3588 -
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:1760 -
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:748
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1892
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD597f98c284f26ea14375b5e9f5be9a710
SHA152fa1a36c89f30c64c203ff9a31ad781cf10ef5a
SHA256ad1a412eb619fd995c653335f8503e3ddf0bc39f7433a3c93b2fe6a6d964bbc3
SHA512e403cd0fcb3c970c3b1f6d9d155aa8af2139493346da27aa6e4764e59c07eedc4bf6cf051edfab2451eb9ca901fc1909106bd625c8859fb779c5b9d4efffc536
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bf0c257f19ff58246d45d49c7ef95012
SHA16454ab6ef2c1fdb62f553ee8f1899085302066e0
SHA256a4daaf1f042b648eda648a5427a05e71338b3c3828a8a1b64e7203e6f02e107a
SHA5127007627c51a541c848e05460639c6b85313c697d696895b4420f39c2d0df6224a7b8c7641fd800e34836369e1a993a95420dc401037e48bee98ce138e44fb388
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54654c8e0cc411480f4a150208c71872b
SHA14d93b9221bec21669e220df9dfe6b7efb28b4750
SHA256a5d0284ee64c35044f3e0b8b0265ccba468f76f3284a9dc25124d060125f9183
SHA5122603498340dcfeb5ff719cf837322442a84974bfccd6f24df0f3b08684ae4c64466107a716f22d0691239d1b8d030ac8bb438b40518a0020caefd2be1a03fc4b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f9c4302929dfb8b96cda270ba4eb710
SHA17439c5729e574de73c03bba1e8486321353beaa9
SHA2563699f70a99421ea4c0e104df8a10b2ba2d238f8d41823311a8f5619a9851ec02
SHA512c78ce9f849ec7ca3aa5e1910c43417407feb3e1f77077cfdfa8605455697ca29da49aa997d6b72d71b06440f6913ad23f42f6ad16c504a972f61eefba79989b2
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56c0a737c3b77f372f63ffe297164ed94
SHA1f804a08f81aa74322f5098dac19e44f564d9a251
SHA256417cfdb8f289d9586b75a8caea0d8890b76acc7f55a2957c2625bbb300a2edb3
SHA512a73463eee2b096e478840ea420e3013060ef13299d702940d811d5702e63bb71c2f67e40cac5166c072717f1b6e2b88f64e286b4057fe9725aed15e4c6f74415
-
Filesize
4.2MB
MD54af362470a72c86a5ca0a26b829b952c
SHA12f4d25c7f7979534301e78da5c8e46eb99ead647
SHA256dfd7dfdf54ea875f6eb9aa6415f2eb09afaf54f126703878a28e89d76aa01052
SHA512d80e1ab99b005cff01c0d05692f5c6384a8800656476bae7a599a56723a8aee8c7e3172b30f012c0958fdcf9c7281390162211521bc035e6c058204bede3d7b5
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec