Analysis
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max time kernel
32s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 12:32
Static task
static1
Behavioral task
behavioral1
Sample
da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe
Resource
win10v2004-20240426-en
General
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Target
da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe
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Size
4.1MB
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MD5
ce5cac0b3bfbc72bb31c9dd344e2e997
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SHA1
4fe55e14f52de83df0dab6f750874bdebf8ee243
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SHA256
da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0
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SHA512
ff46aef6c63e684be47222c310c4578d3f1208e1fea1f74022fc1b52e83b4f8d43ffc9e154db87cb885438971c276e24a523fde4eb16d42604db507aaad08c5e
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SSDEEP
98304:kd7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnEry:2RMSLQaVNfPUP9FaqUIATxXaCdFFREnD
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/464-2-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/464-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/464-28-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/464-57-0x0000000004BE0000-0x00000000054CB000-memory.dmp family_glupteba behavioral1/memory/464-84-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/464-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4344-134-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-211-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-222-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-232-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-235-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-238-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-253-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4768-256-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1260 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 4768 csrss.exe -
resource yara_rule behavioral1/files/0x0008000000023425-221.dat upx behavioral1/memory/3348-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4544-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3348-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4544-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4544-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4544-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe File created C:\Windows\rss\csrss.exe da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4316 sc.exe -
pid Process 2428 powershell.exe 456 powershell.exe 4464 powershell.exe 4660 powershell.exe 4160 powershell.exe 4864 powershell.exe 1676 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 1952 schtasks.exe 3396 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\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.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\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.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\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-2842 = "Saratov Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.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\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.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" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.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\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-1801 = "Line Islands Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe -
Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1676 powershell.exe 1676 powershell.exe 464 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 464 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 2428 powershell.exe 2428 powershell.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 456 powershell.exe 456 powershell.exe 4464 powershell.exe 4464 powershell.exe 4660 powershell.exe 4660 powershell.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 464 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Token: SeImpersonatePrivilege 464 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 456 powershell.exe Token: SeDebugPrivilege 4464 powershell.exe Token: SeDebugPrivilege 4660 powershell.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 464 wrote to memory of 1676 464 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 111 PID 464 wrote to memory of 1676 464 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 111 PID 464 wrote to memory of 1676 464 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 111 PID 4344 wrote to memory of 2428 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 101 PID 4344 wrote to memory of 2428 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 101 PID 4344 wrote to memory of 2428 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 101 PID 4344 wrote to memory of 4584 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 103 PID 4344 wrote to memory of 4584 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 103 PID 4584 wrote to memory of 1260 4584 cmd.exe 105 PID 4584 wrote to memory of 1260 4584 cmd.exe 105 PID 4344 wrote to memory of 456 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 106 PID 4344 wrote to memory of 456 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 106 PID 4344 wrote to memory of 456 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 106 PID 4344 wrote to memory of 4464 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 108 PID 4344 wrote to memory of 4464 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 108 PID 4344 wrote to memory of 4464 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 108 PID 4344 wrote to memory of 4768 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 110 PID 4344 wrote to memory of 4768 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 110 PID 4344 wrote to memory of 4768 4344 da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe 110 PID 4768 wrote to memory of 4660 4768 csrss.exe 112 PID 4768 wrote to memory of 4660 4768 csrss.exe 112 PID 4768 wrote to memory of 4660 4768 csrss.exe 112
Processes
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C:\Users\Admin\AppData\Local\Temp\da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe"C:\Users\Admin\AppData\Local\Temp\da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1676
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C:\Users\Admin\AppData\Local\Temp\da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.exe"C:\Users\Admin\AppData\Local\Temp\da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0.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:4344 -
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:2428
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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:4584 -
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:1260
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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:456
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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:4464
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4768 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4660
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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:1952
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2412
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
PID:4160
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Command and Scripting Interpreter: PowerShell
PID:4864
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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⤵PID:3024
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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:3396
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵PID:3348
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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⤵PID:4972
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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
PID:4316
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C:\Windows\System32\sihclient.exeC:\Windows\System32\sihclient.exe /cv w1AO85DqJUeejUAx9R6LPw.0.21⤵PID:1676
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵PID:4544
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
MD5ca713886be669da8fb1a00132eb5d31c
SHA1269b079b8297d80fabcfb246d9ac35a8bca484f7
SHA2567c7f8c07d566bc580bb834bc510efe43388139163d36e89d5331aa6dbf7e4487
SHA51291fcc34876ca56ad32c10d9f2bcd9b9b8ed3582ea9eb5749f34435a70e929580b79a8863bde4792150eee6771af08f4466febb318f29518881dc6487aa4ee45a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541ba4e7bc219b20c01dc6c0d357c528a
SHA1fff5ab7a62c3da767a3e33ac8322b0bd86d6291c
SHA2569daf7e0552787a1c5af25e113ac714cf5f992517966ba63eec84d68cdfea8196
SHA512f1a46b7734ae6055f0c4a93f80c6bb650dd1e5640ca540bf1d032acf642fe11f06c957ecb1bcdd431b574aec87c7b9d33175afff38e28459c92720df8518fac9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fbc1d2fd5ab58900f630c13c603c35a6
SHA152678b4f6bd72628abb67547033f33bb8aeedb1b
SHA25691f10ed1e0f2bb804110b9bacb5c39c9acde4d5dcef3d01319a6883ba7b427ec
SHA512a8d388c57a2758955e6a83ed2f80203da7dec929cd7390119e9a68e7c9f7d5fd7d3fc58cb205ff4e13ba2ca2462f339057048713adee16de16b9284fd7c4e746
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56cdd3b03b730cc4c0a62c08d8f5b8d3d
SHA12a71af88a6f6c60eabe71673882cbe7d9dc0a78d
SHA25668d0ff67665e82db611d145b53b6987d3e74679ecb23f0ee6ee935e14e3ef6d6
SHA512238c975eefa59a67998d48bc25dcd86987a7f6385a32a3ad3aa511dacd1a1efde0868fd9127ee973d7f56538146cf28ee4f9783a656fd888adb16246b84a8959
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD571a6884ed1bbc56a8010ced7081d9fe2
SHA1443989110c1c5382251e7f9993d383f6826a72e9
SHA256ecc73d661e9140e8e097a970e46322301385569a8d55e44cf3500dac2fd7cdce
SHA512e49447c210d5e474cd623d7d9178870da613dc2f07f8daba4436eb8300b6d74d59e108a818071339aed155ed21decb98f25a9477f51014723ffede5c07f79f77
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Filesize
4.1MB
MD5ce5cac0b3bfbc72bb31c9dd344e2e997
SHA14fe55e14f52de83df0dab6f750874bdebf8ee243
SHA256da3f1703ffa98a7305ccf8d3ca4aa49b72c0a9686e0f4e12cc40bbdb748b6fa0
SHA512ff46aef6c63e684be47222c310c4578d3f1208e1fea1f74022fc1b52e83b4f8d43ffc9e154db87cb885438971c276e24a523fde4eb16d42604db507aaad08c5e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec