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Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 15:18
Static task
static1
Behavioral task
behavioral1
Sample
8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe
Resource
win10v2004-20240426-en
General
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Target
8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe
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Size
4.1MB
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MD5
183d9ce495adcbf580a15dc8f2ca5678
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SHA1
1d5b65469b7e1ab5a9d9919a048b90ec1391791b
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SHA256
8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2
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SHA512
3c2eb39e131775cdc154f3f11699d8aea92b62a194debc55d52cc5b8b9c62083c3701e290b2890dd704ea62721524f2a41361f4b7aadae0fc6bd65aee93ba436
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SSDEEP
98304:73/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTf:73/aer8lIiPc9ySnggpxAJiIuBVpFiib
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3628-2-0x0000000004780000-0x000000000506B000-memory.dmp family_glupteba behavioral1/memory/3628-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4980-130-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3628-157-0x0000000004780000-0x000000000506B000-memory.dmp family_glupteba behavioral1/memory/3628-155-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3628-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4920-216-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-229-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-231-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-243-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-253-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-255-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/4920-259-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1472 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4920 csrss.exe 1316 injector.exe 216 windefender.exe 3172 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023430-219.dat upx behavioral1/memory/216-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3172-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/216-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3172-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3172-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe File created C:\Windows\rss\csrss.exe 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.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 4008 sc.exe -
pid Process 640 powershell.exe 4876 powershell.exe 1368 powershell.exe 4392 powershell.exe 4644 powershell.exe 3712 powershell.exe 2180 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 2820 schtasks.exe 3228 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,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.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,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.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" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.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" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.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,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.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,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-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,-432 = "Iran Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain 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\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1368 powershell.exe 1368 powershell.exe 3628 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 3628 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4392 powershell.exe 4392 powershell.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 4644 powershell.exe 4644 powershell.exe 3712 powershell.exe 3712 powershell.exe 2180 powershell.exe 2180 powershell.exe 640 powershell.exe 640 powershell.exe 4876 powershell.exe 4876 powershell.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 4920 csrss.exe 4920 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 4920 csrss.exe 4920 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 4920 csrss.exe 4920 csrss.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe 1316 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1368 powershell.exe Token: SeDebugPrivilege 3628 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Token: SeImpersonatePrivilege 3628 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe Token: SeDebugPrivilege 4392 powershell.exe Token: SeDebugPrivilege 4644 powershell.exe Token: SeDebugPrivilege 3712 powershell.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeDebugPrivilege 640 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeSystemEnvironmentPrivilege 4920 csrss.exe Token: SeSecurityPrivilege 4008 sc.exe Token: SeSecurityPrivilege 4008 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3628 wrote to memory of 1368 3628 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 86 PID 3628 wrote to memory of 1368 3628 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 86 PID 3628 wrote to memory of 1368 3628 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 86 PID 4980 wrote to memory of 4392 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 94 PID 4980 wrote to memory of 4392 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 94 PID 4980 wrote to memory of 4392 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 94 PID 4980 wrote to memory of 4544 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 98 PID 4980 wrote to memory of 4544 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 98 PID 4544 wrote to memory of 1472 4544 cmd.exe 100 PID 4544 wrote to memory of 1472 4544 cmd.exe 100 PID 4980 wrote to memory of 4644 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 101 PID 4980 wrote to memory of 4644 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 101 PID 4980 wrote to memory of 4644 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 101 PID 4980 wrote to memory of 3712 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 105 PID 4980 wrote to memory of 3712 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 105 PID 4980 wrote to memory of 3712 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 105 PID 4980 wrote to memory of 4920 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 107 PID 4980 wrote to memory of 4920 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 107 PID 4980 wrote to memory of 4920 4980 8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe 107 PID 4920 wrote to memory of 2180 4920 csrss.exe 108 PID 4920 wrote to memory of 2180 4920 csrss.exe 108 PID 4920 wrote to memory of 2180 4920 csrss.exe 108 PID 4920 wrote to memory of 640 4920 csrss.exe 114 PID 4920 wrote to memory of 640 4920 csrss.exe 114 PID 4920 wrote to memory of 640 4920 csrss.exe 114 PID 4920 wrote to memory of 4876 4920 csrss.exe 116 PID 4920 wrote to memory of 4876 4920 csrss.exe 116 PID 4920 wrote to memory of 4876 4920 csrss.exe 116 PID 4920 wrote to memory of 1316 4920 csrss.exe 118 PID 4920 wrote to memory of 1316 4920 csrss.exe 118 PID 216 wrote to memory of 4908 216 windefender.exe 124 PID 216 wrote to memory of 4908 216 windefender.exe 124 PID 216 wrote to memory of 4908 216 windefender.exe 124 PID 4908 wrote to memory of 4008 4908 cmd.exe 125 PID 4908 wrote to memory of 4008 4908 cmd.exe 125 PID 4908 wrote to memory of 4008 4908 cmd.exe 125 -
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\8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe"C:\Users\Admin\AppData\Local\Temp\8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1368
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C:\Users\Admin\AppData\Local\Temp\8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.exe"C:\Users\Admin\AppData\Local\Temp\8b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2.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:4980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4392
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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:4544 -
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:1472
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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:4644
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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:3712
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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:4920 -
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:2180
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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:3228
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2348
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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:640
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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:4876
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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:1316
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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:2820
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:216 -
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:4908 -
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:4008
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3172
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
MD5074b3cfd4322daff3bc400e3d3eecbcc
SHA1bca6af20698b7cac188498608883fcfbc41c0dd6
SHA256a61bfb64f98a771c07aff61d23c57100eaec88963420f16cac60964c0416e474
SHA512e426156fdee73575c54931239fd9b63d3194c3985fd238254b291c7c0eddfd459080785f33da9daaa053060aef96a31dc62a16f7aecac2fea61adfd765b6540c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c466b4c1fafa419a30a71a026ebf9f9d
SHA1a09ee17935328292874bfa9695697bf49eba0542
SHA25615c6cf90937da4f0be2109e7aef4919fc9c3a7c3bafc0f38436a5b3de5c182ca
SHA512d2b623bd49e336a62cf7ee7e28f25ef45fdb825fa4d5eec07119b877b219d2cafc391ac82bab568ad16f9647b151cd0d69cabaaca60123f8486743dc75eb0997
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cbfa8fd9d73316d4a1692fc8fed25625
SHA19a6b11c963a278e052d76028dad833aa9e5070a6
SHA256c1d2bb2ffc936794a5d867123f45ebd075350ba44e946a1802064bc19afdb665
SHA512ca7b51f4790fec11443fdbdb7ccb4c063cf5df08c1d676c044aa407f50f2050fa05ccd609de00a530fccf4f2930f4e51fa5024e673a6dcde460874624709580c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d55c2ce2b4af145ac66af29a33a2224
SHA1f4d1eeb9f50d0708d495c679a88c6a0c6f9612ca
SHA256e2add34096a2b472c333799620d96ab61be1c460e32bb1c4e1cf345e9356f350
SHA51285260db9e63dcd86a9d07bece714f2de95ff53b91a406b0819b01e21da5fe7ee45c625d069db2aaab801404ab5093d821d54f91e5e1e799a4454bed569347bb9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e71e1aa3d1bed19cee2a8d628216bc7f
SHA17891916c31890aeeb4505700839d2d23ddf11e27
SHA256ab0da01bfe33e4732ab88aa3cf8f033f56c33ac23b3537f259044fe60db65cb2
SHA5121440faa50e382d13221649800d176023bf1ee06b65d23007d45fe6dd61d760a69597d11b131d124681d888dde61301dd2810b7038bfb7f848eb297677b0e889a
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Filesize
4.1MB
MD5183d9ce495adcbf580a15dc8f2ca5678
SHA11d5b65469b7e1ab5a9d9919a048b90ec1391791b
SHA2568b0883db391fa4624dcd7166590a206a5d90f16a12745b7a32d9bd73e8ae7fa2
SHA5123c2eb39e131775cdc154f3f11699d8aea92b62a194debc55d52cc5b8b9c62083c3701e290b2890dd704ea62721524f2a41361f4b7aadae0fc6bd65aee93ba436
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec