glupteba | e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82

Analysis

max time kernel
123s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22/04/2024, 15:26

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General

Target

e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Size

4.2MB
MD5

f7e0ef5903df5a0aa55a69c3894b5b36
SHA1

169dfbb721d1493f055b95b0f28f1fb5b72aecca
SHA256

e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82
SHA512

1df00c128d02d864bdb24c6de2903ddf4f55babe2bf7f39acbc781d0eee558b12d27715797cdf5f2384acca00405e7434c121a07b4cddb2307da2211ccfb9314
SSDEEP

98304:LTr4Zn8ckauLMze8fecNCAwNuLlsIJhS7wxsR8XPBW1bLJsbUe:LgxwLwefOwIiIbSY4wJWbLObV

Score

10^/10

glupteba discovery dropper evasion loader persistence

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 15 IoCs

resource	yara_rule
behavioral1/memory/2156-2-0x00000000050C0000-0x00000000059AB000-memory.dmp	family_glupteba
behavioral1/memory/2156-3-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/2156-4-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/2156-30-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/2156-57-0x00000000050C0000-0x00000000059AB000-memory.dmp	family_glupteba
behavioral1/memory/2156-58-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4744-61-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4744-96-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4744-110-0x0000000003650000-0x0000000003A57000-memory.dmp	family_glupteba
behavioral1/memory/4744-136-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4744-158-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4532-197-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4532-263-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4532-266-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba
behavioral1/memory/4532-268-0x0000000000400000-0x0000000003009000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2924	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4532	csrss.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 5 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
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.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
File created	C:\Windows\rss\csrss.exe	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3784	schtasks.exe
1112	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1052	powershell.exe
1052	powershell.exe
2156	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
2156	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4232	powershell.exe
4232	powershell.exe
4232	powershell.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
3628	powershell.exe
3628	powershell.exe
3628	powershell.exe
572	powershell.exe
572	powershell.exe
572	powershell.exe
2432	powershell.exe
2432	powershell.exe
2920	powershell.exe
2920	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	powershell.exe
Token: SeDebugPrivilege	2156	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Token: SeImpersonatePrivilege	2156	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
Token: SeDebugPrivilege	4232	powershell.exe
Token: SeDebugPrivilege	3628	powershell.exe
Token: SeDebugPrivilege	572	powershell.exe
Token: SeDebugPrivilege	2432	powershell.exe
Token: SeDebugPrivilege	2920	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1052	2156	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	92
PID 2156 wrote to memory of 1052	2156	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	92
PID 2156 wrote to memory of 1052	2156	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	92
PID 4744 wrote to memory of 4232	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	104
PID 4744 wrote to memory of 4232	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	104
PID 4744 wrote to memory of 4232	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	104
PID 4744 wrote to memory of 3872	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	106
PID 4744 wrote to memory of 3872	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	106
PID 3872 wrote to memory of 2924	3872	cmd.exe	108
PID 3872 wrote to memory of 2924	3872	cmd.exe	108
PID 4744 wrote to memory of 3628	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	109
PID 4744 wrote to memory of 3628	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	109
PID 4744 wrote to memory of 3628	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	109
PID 4744 wrote to memory of 572	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	111
PID 4744 wrote to memory of 572	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	111
PID 4744 wrote to memory of 572	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	111
PID 4744 wrote to memory of 4532	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	113
PID 4744 wrote to memory of 4532	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	113
PID 4744 wrote to memory of 4532	4744	e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe	113
PID 4532 wrote to memory of 2432	4532	csrss.exe	114
PID 4532 wrote to memory of 2432	4532	csrss.exe	114
PID 4532 wrote to memory of 2432	4532	csrss.exe	114
PID 4532 wrote to memory of 2920	4532	csrss.exe	119
PID 4532 wrote to memory of 2920	4532	csrss.exe	119
PID 4532 wrote to memory of 2920	4532	csrss.exe	119

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
"C:\Users\Admin\AppData\Local\Temp\e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1052
- C:\Users\Admin\AppData\Local\Temp\e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.exe
  "C:\Users\Admin\AppData\Local\Temp\e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82.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:4744
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4232
- - C:\Windows\system32\cmd.exe
    C:\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:3872
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      4⤵
      Modifies Windows Firewall
      PID:2924
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3628
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:572
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4532
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Drops file in System32 directory
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2432
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:3784
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4204
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2920
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:540
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      PID:436
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:1112

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1040 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jamcbd55.gtx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
27f9d835c55a7151c3c4e0f0b10acf86

SHA1
d1580cdc27613698b9ae8ffbf7981ae5bb873923

SHA256
266b6b3aab377dfa7435fe176f1a9713823d96e5b8eb08146d05ab2171ded2b8

SHA512
1e04919d84aea507df7e3f3fe89a9d7bd377a6d7d84ce9b5661ad62b796505e85e566691d67ef661798c55815ffbc0bfeac295bcf0fd6d8fba35071efef43994

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
256a8370feeb0de44b3e24799784f1e5

SHA1
94839fca8eb284003a9729f056cd7ee84400bd7f

SHA256
c49d83a92324a5597a213c9bd14581f836424c3110b0bec43aaa94041057b8c1

SHA512
3113251e8a01c82e8b72a3bd117638ca457290afb7b1a5af092da7394bdb8834ac7191541655f20c7b004ef423d4cd9345b02b2d1ed614898b3886b81e6002fe

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
32e7d1843732fdeb891b390fabcf003c

SHA1
5bc466b390bec2c8385bf753fca880da371b3e78

SHA256
63b8609a463bfb73d3beec62bf7d980adec23c0a5d77d51807a0a7a452030354

SHA512
a5a340be707f9686aafc43742d844175f60d6fb021a5f91c7f368297ccafa05b585a0f74eb028a30098d35412e0059b6596cc7f20b556f0ccf8218d0b70897dc

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
a4fa3bf33386271845859fb4d5951aef

SHA1
00731bf34921422788471c868daacade5b7a9423

SHA256
7b0398e888c12597be8499d83396927c1e75b818ed31a41de9a6d38d4c87e7b3

SHA512
f09878eb840dadfb86c250b7a793b9f966cad8469723c5bf09d64265c0b0f9c12f7f06349879bcae3ab110cdbef2e2f5f2eda1376d7d53d5751e5b97ee89b246

Download Submit
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
19KB

MD5
0906d973ef1ded80e8b5898d5d2a3ef9

SHA1
60ed481bbb401531d642d5a69a456a940a1e814c

SHA256
8adcd8d6c36f9d9350d1008fb2cee49a7eedb32e4400f253e8ddc05fc33740a0

SHA512
514413b98f4d1ed1ff28d8c20a347a57238c69396a5761561dcb56fc5df5c5f649f56e5f183ef18a6d7ed3f1a25e83a18885f2a3dd285a62f3a1a8c862de4bd1

Download Submit
C:\Windows\rss\csrss.exe

Filesize
4.2MB

MD5
f7e0ef5903df5a0aa55a69c3894b5b36

SHA1
169dfbb721d1493f055b95b0f28f1fb5b72aecca

SHA256
e88fb7633592677292c8384d41c65bf9e391835975ace88eee429091c11bef82

SHA512
1df00c128d02d864bdb24c6de2903ddf4f55babe2bf7f39acbc781d0eee558b12d27715797cdf5f2384acca00405e7434c121a07b4cddb2307da2211ccfb9314

Download Submit
memory/572-140-0x00000000709A0000-0x00000000709EC000-memory.dmp

Filesize
304KB

Download
memory/572-139-0x00000000051B0000-0x00000000051C0000-memory.dmp

Filesize
64KB

Download
memory/572-138-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/572-131-0x0000000005E20000-0x0000000006174000-memory.dmp

Filesize
3.3MB

Download
memory/1052-32-0x00000000708A0000-0x00000000708EC000-memory.dmp

Filesize
304KB

Download
memory/1052-50-0x0000000007D70000-0x0000000007D7E000-memory.dmp

Filesize
56KB

Download
memory/1052-24-0x00000000066E0000-0x000000000672C000-memory.dmp

Filesize
304KB

Download
memory/1052-25-0x0000000006A10000-0x0000000006A54000-memory.dmp

Filesize
272KB

Download
memory/1052-26-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/1052-27-0x0000000007970000-0x00000000079E6000-memory.dmp

Filesize
472KB

Download
memory/1052-29-0x0000000007A10000-0x0000000007A2A000-memory.dmp

Filesize
104KB

Download
memory/1052-28-0x0000000008070000-0x00000000086EA000-memory.dmp

Filesize
6.5MB

Download
memory/1052-31-0x0000000007BE0000-0x0000000007C12000-memory.dmp

Filesize
200KB

Download
memory/1052-33-0x0000000070FA0000-0x00000000712F4000-memory.dmp

Filesize
3.3MB

Download
memory/1052-43-0x0000000007BC0000-0x0000000007BDE000-memory.dmp

Filesize
120KB

Download
memory/1052-18-0x0000000006020000-0x0000000006374000-memory.dmp

Filesize
3.3MB

Download
memory/1052-5-0x0000000005000000-0x0000000005036000-memory.dmp

Filesize
216KB

Download
memory/1052-44-0x0000000007C20000-0x0000000007CC3000-memory.dmp

Filesize
652KB

Download
memory/1052-6-0x00000000056E0000-0x0000000005D08000-memory.dmp

Filesize
6.2MB

Download
memory/1052-46-0x000000007FD20000-0x000000007FD30000-memory.dmp

Filesize
64KB

Download
memory/1052-47-0x0000000007D10000-0x0000000007D1A000-memory.dmp

Filesize
40KB

Download
memory/1052-48-0x0000000007DD0000-0x0000000007E66000-memory.dmp

Filesize
600KB

Download
memory/1052-49-0x0000000007D30000-0x0000000007D41000-memory.dmp

Filesize
68KB

Download
memory/1052-23-0x0000000006000000-0x000000000601E000-memory.dmp

Filesize
120KB

Download
memory/1052-51-0x0000000007D80000-0x0000000007D94000-memory.dmp

Filesize
80KB

Download
memory/1052-52-0x0000000007E70000-0x0000000007E8A000-memory.dmp

Filesize
104KB

Download
memory/1052-53-0x0000000007DB0000-0x0000000007DB8000-memory.dmp

Filesize
32KB

Download
memory/1052-56-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/1052-7-0x0000000074A00000-0x00000000751B0000-memory.dmp

Filesize
7.7MB

Download
memory/1052-8-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/1052-12-0x0000000005F70000-0x0000000005FD6000-memory.dmp

Filesize
408KB

Download
memory/1052-11-0x0000000005F00000-0x0000000005F66000-memory.dmp

Filesize
408KB

Download
memory/1052-10-0x0000000005650000-0x0000000005672000-memory.dmp

Filesize
136KB

Download
memory/1052-9-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/2156-58-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/2156-57-0x00000000050C0000-0x00000000059AB000-memory.dmp

Filesize
8.9MB

Download
memory/2156-45-0x00000000036B0000-0x0000000003AB0000-memory.dmp

Filesize
4.0MB

Download
memory/2156-4-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/2156-30-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/2156-3-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/2156-2-0x00000000050C0000-0x00000000059AB000-memory.dmp

Filesize
8.9MB

Download
memory/2156-1-0x00000000036B0000-0x0000000003AB0000-memory.dmp

Filesize
4.0MB

Download
memory/3628-109-0x0000000005C50000-0x0000000005FA4000-memory.dmp

Filesize
3.3MB

Download
memory/3628-112-0x00000000709A0000-0x00000000709EC000-memory.dmp

Filesize
304KB

Download
memory/3628-125-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3628-114-0x0000000070B20000-0x0000000070E74000-memory.dmp

Filesize
3.3MB

Download
memory/3628-113-0x000000007F650000-0x000000007F660000-memory.dmp

Filesize
64KB

Download
memory/3628-97-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3628-107-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/3628-108-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/4232-77-0x000000007FD20000-0x000000007FD30000-memory.dmp

Filesize
64KB

Download
memory/4232-75-0x00000000060B0000-0x00000000060FC000-memory.dmp

Filesize
304KB

Download
memory/4232-79-0x0000000071160000-0x00000000714B4000-memory.dmp

Filesize
3.3MB

Download
memory/4232-89-0x0000000007050000-0x00000000070F3000-memory.dmp

Filesize
652KB

Download
memory/4232-62-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4232-90-0x0000000007570000-0x0000000007581000-memory.dmp

Filesize
68KB

Download
memory/4232-94-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4232-91-0x00000000075C0000-0x00000000075D4000-memory.dmp

Filesize
80KB

Download
memory/4232-63-0x0000000002740000-0x0000000002750000-memory.dmp

Filesize
64KB

Download
memory/4232-78-0x00000000709A0000-0x00000000709EC000-memory.dmp

Filesize
304KB

Download
memory/4232-76-0x0000000002740000-0x0000000002750000-memory.dmp

Filesize
64KB

Download
memory/4232-64-0x0000000002740000-0x0000000002750000-memory.dmp

Filesize
64KB

Download
memory/4232-65-0x00000000059C0000-0x0000000005D14000-memory.dmp

Filesize
3.3MB

Download
memory/4532-197-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4532-263-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4532-266-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4532-268-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4744-110-0x0000000003650000-0x0000000003A57000-memory.dmp

Filesize
4.0MB

Download
memory/4744-158-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4744-136-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4744-96-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4744-61-0x0000000000400000-0x0000000003009000-memory.dmp

Filesize
44.0MB

Download
memory/4744-60-0x0000000003650000-0x0000000003A57000-memory.dmp

Filesize
4.0MB

Download