Analysis
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max time kernel
149s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 16:36
Static task
static1
Behavioral task
behavioral1
Sample
bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe
Resource
win10v2004-20240226-en
General
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Target
bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe
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Size
4.1MB
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MD5
d2868d334e373ae0c2f057246679922a
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SHA1
d9700667686492c09b93060ae2f272397f4d9cd2
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SHA256
bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa
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SHA512
ffed60ff938fb42df634f56953ee6a3e862ef1a2ed4dbc35ae4e0a653f47af5a0cf7ea63b63be416edd7795ef8de3c96cbd33a567917b7a9d99b954cf952cd52
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SSDEEP
98304:BvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1u:BvHfb2IifudqhIuUHwAjW+w
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4980-2-0x0000000004A20000-0x000000000530B000-memory.dmp family_glupteba behavioral2/memory/4980-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4980-78-0x0000000004A20000-0x000000000530B000-memory.dmp family_glupteba behavioral2/memory/4980-76-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1824-126-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/4980-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1668-199-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-210-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-212-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-222-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1668-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1568 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1668 csrss.exe 2060 injector.exe 1948 windefender.exe 3476 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000100000002a9e1-203.dat upx behavioral2/memory/1948-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3476-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1948-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3476-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3476-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exebd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe File created C:\Windows\rss\csrss.exe bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2432 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3656 powershell.exe 3940 powershell.exe 1264 powershell.exe 3320 powershell.exe 3108 powershell.exe 3836 powershell.exe 708 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 3544 schtasks.exe 4772 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exebd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.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" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight 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\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\@tzres.dll,-981 = "Kamchatka 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,-1871 = "Russia TZ 7 Daylight Time" bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exepowershell.exebd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3940 powershell.exe 3940 powershell.exe 4980 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 4980 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1264 powershell.exe 1264 powershell.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 3320 powershell.exe 3320 powershell.exe 3108 powershell.exe 3108 powershell.exe 3836 powershell.exe 3836 powershell.exe 708 powershell.exe 708 powershell.exe 3656 powershell.exe 3656 powershell.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 1668 csrss.exe 1668 csrss.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 1668 csrss.exe 1668 csrss.exe 2060 injector.exe 2060 injector.exe 1668 csrss.exe 1668 csrss.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe 2060 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3940 powershell.exe Token: SeDebugPrivilege 4980 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Token: SeImpersonatePrivilege 4980 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe Token: SeDebugPrivilege 1264 powershell.exe Token: SeDebugPrivilege 3320 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 708 powershell.exe Token: SeDebugPrivilege 3656 powershell.exe Token: SeSystemEnvironmentPrivilege 1668 csrss.exe Token: SeSecurityPrivilege 2432 sc.exe Token: SeSecurityPrivilege 2432 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exebd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4980 wrote to memory of 3940 4980 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 82 PID 4980 wrote to memory of 3940 4980 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 82 PID 4980 wrote to memory of 3940 4980 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 82 PID 1824 wrote to memory of 1264 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 87 PID 1824 wrote to memory of 1264 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 87 PID 1824 wrote to memory of 1264 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 87 PID 1824 wrote to memory of 3620 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 89 PID 1824 wrote to memory of 3620 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 89 PID 3620 wrote to memory of 1568 3620 cmd.exe 91 PID 3620 wrote to memory of 1568 3620 cmd.exe 91 PID 1824 wrote to memory of 3320 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 92 PID 1824 wrote to memory of 3320 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 92 PID 1824 wrote to memory of 3320 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 92 PID 1824 wrote to memory of 3108 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 94 PID 1824 wrote to memory of 3108 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 94 PID 1824 wrote to memory of 3108 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 94 PID 1824 wrote to memory of 1668 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 96 PID 1824 wrote to memory of 1668 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 96 PID 1824 wrote to memory of 1668 1824 bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe 96 PID 1668 wrote to memory of 3836 1668 csrss.exe 97 PID 1668 wrote to memory of 3836 1668 csrss.exe 97 PID 1668 wrote to memory of 3836 1668 csrss.exe 97 PID 1668 wrote to memory of 708 1668 csrss.exe 102 PID 1668 wrote to memory of 708 1668 csrss.exe 102 PID 1668 wrote to memory of 708 1668 csrss.exe 102 PID 1668 wrote to memory of 3656 1668 csrss.exe 105 PID 1668 wrote to memory of 3656 1668 csrss.exe 105 PID 1668 wrote to memory of 3656 1668 csrss.exe 105 PID 1668 wrote to memory of 2060 1668 csrss.exe 107 PID 1668 wrote to memory of 2060 1668 csrss.exe 107 PID 1948 wrote to memory of 3332 1948 windefender.exe 113 PID 1948 wrote to memory of 3332 1948 windefender.exe 113 PID 1948 wrote to memory of 3332 1948 windefender.exe 113 PID 3332 wrote to memory of 2432 3332 cmd.exe 114 PID 3332 wrote to memory of 2432 3332 cmd.exe 114 PID 3332 wrote to memory of 2432 3332 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe"C:\Users\Admin\AppData\Local\Temp\bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3940
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C:\Users\Admin\AppData\Local\Temp\bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.exe"C:\Users\Admin\AppData\Local\Temp\bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa.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:1824 -
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:1264
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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:3620 -
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:1568
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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:3320
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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:3108
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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:1668 -
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:3836
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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:3544
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:684
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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:708
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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:3656
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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:2060
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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:4772
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1948 -
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:3332 -
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:2432
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3476
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52748864a0ca8de180dcf57f62f71b4d9
SHA10a67729bbfa66008dd5423426a0ad614916d40d3
SHA2566dcd76bc5893223be3b4ff21a308167d33dc86e4eb8d619bed047598812b194f
SHA512d5dbab943fb2d8e2ba4c9bc76ef3935631591e13f48cdbd3d71c8aaf2453d6a39b2c2d8907ac33d789ddf022e51f14c35f39df55cde4f7255e5e4def4fe9689f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a2524e62d29334336dab1498d39a6f9a
SHA17f2f08c59120db29a9264d8eac7200c7ff36834a
SHA256fd0c0239d0a15ca0ef779b878819cef62bb1dddedb6d2d42de4d0a6267739949
SHA5126e4667ce9938d023229acbec3b77dda41af881b10a403eabe494957f17e1f4d02fecb733603fd2661382efdd6d8ebab8d7b2a03da86f526eaed9b2eec8ed8891
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57fef61f3726222c5c1a9ca39735b1128
SHA17bdb85b7558feef8366df140e50c32055ddfb7e2
SHA256af3bcfffcf4639688eaf5b1c6ace4705d5d9808aa086cc9cf440f84aa95e9787
SHA5129821c7238396977dde854f2e77da98f56e4f9a411fcdc71c762bbafce2e8660f0b9e7d2e3858043b6a987beecfbae7f8209b8153fa509382afdcb0ac8ee0f245
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b619d386857f4655f76b6fa82d1ac283
SHA1d5d1b2836e3a4b6008f8d083afda237247e0d9ff
SHA256da4c364984655cd5f6081b5a19c77badf8f1becb2d0bc777095b6c3753c0ef15
SHA512a686aaef09d15ce822dd5907b97b7c457dabe96404d9825f5bd32967425ec789b27a821bdd440a305f696e64229acc200d5f64da3bdac2a0eefe2f6cfd3e9c9b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537924c780bfda619f016f59e52082df8
SHA10c4c8ed17eb1c87723d86370c23433002d9505a9
SHA256cc69933ce7b0a7499f6e3f5f8e4055285d25b541ed2fbda4c650b5654b7c9027
SHA5123c587e43b7259ca5811c881c4d8314c8e458193a87053ba443c9a94fe5c06f125c2f23790727b28c228a8fe691034af7aa445c2764a58c0836276be53715b021
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Filesize
4.1MB
MD5d2868d334e373ae0c2f057246679922a
SHA1d9700667686492c09b93060ae2f272397f4d9cd2
SHA256bd69e52874982df5658e04b87a630c10e1ea396d6c41930d2e3080c1ece0c1aa
SHA512ffed60ff938fb42df634f56953ee6a3e862ef1a2ed4dbc35ae4e0a653f47af5a0cf7ea63b63be416edd7795ef8de3c96cbd33a567917b7a9d99b954cf952cd52
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec