glupteba | 71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1

Analysis

max time kernel
16s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
17/04/2024, 20:03

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General

Target
71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Size 4.2MB
Sample240417-ysymlaeb7w
SHA256 71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1
MD5 62dc86ed5cec63e5ccb959c407a4a591
SHA1 2070a84ba529d62ee28745bbc5c810bfbb9b721c
SHA512 de79eeef9db2c8ffc50fc843a397f3bd48d61a52287ecc13ab32093a4405bf3c338cb87f4bf71f76c1e7e6e30dca6a4cc683657009558ff6b7ac11295884dc3c
SSDEEP 98304:RU4Iq03aI5N3yqqHwBEspKQ2DvCGo03KUue+TU:DIh7By/QBEsp+2hnfU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba discovery dropper evasion loader persistence upx

Malware Config

Signatures

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

Glupteba payload 14 IoCs

resource	yara_rule
behavioral2/memory/1404-2-0x0000000005360000-0x0000000005C4B000-memory.dmp	family_glupteba
behavioral2/memory/1404-3-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/3396-53-0x0000000005230000-0x0000000005B1B000-memory.dmp	family_glupteba
behavioral2/memory/3396-63-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/1404-79-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/3396-203-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/4800-229-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/4800-247-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/4800-263-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/4800-279-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/4800-295-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/4800-311-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/4800-327-0x0000000000400000-0x0000000003118000-memory.dmp	family_glupteba
behavioral2/memory/4800-343-0x0000000000400000-0x0000000003118000-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
3884	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4800	csrss.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1904-244-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/580-261-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/580-293-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

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-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.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 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe

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	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
File created	C:\Windows\rss\csrss.exe	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1468	sc.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
2576	schtasks.exe
1492	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.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
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2224	powershell.exe
2224	powershell.exe
1404	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
1404	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
768	powershell.exe
768	powershell.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
1468	powershell.exe
1468	powershell.exe
1724	powershell.exe
1724	powershell.exe
1448	powershell.exe
1448	powershell.exe
2752	powershell.exe
2752	powershell.exe
3388	powershell.exe
3388	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2224	powershell.exe
Token: SeDebugPrivilege	1404	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Token: SeImpersonatePrivilege	1404	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
Token: SeDebugPrivilege	768	powershell.exe
Token: SeDebugPrivilege	1468	powershell.exe
Token: SeDebugPrivilege	1724	powershell.exe
Token: SeDebugPrivilege	1448	powershell.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	3388	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 2224	1404	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	82
PID 1404 wrote to memory of 2224	1404	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	82
PID 1404 wrote to memory of 2224	1404	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	82
PID 3396 wrote to memory of 768	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	87
PID 3396 wrote to memory of 768	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	87
PID 3396 wrote to memory of 768	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	87
PID 3396 wrote to memory of 1908	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	89
PID 3396 wrote to memory of 1908	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	89
PID 1908 wrote to memory of 3884	1908	cmd.exe	91
PID 1908 wrote to memory of 3884	1908	cmd.exe	91
PID 3396 wrote to memory of 1468	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	114
PID 3396 wrote to memory of 1468	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	114
PID 3396 wrote to memory of 1468	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	114
PID 3396 wrote to memory of 1724	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	94
PID 3396 wrote to memory of 1724	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	94
PID 3396 wrote to memory of 1724	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	94
PID 3396 wrote to memory of 4800	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	96
PID 3396 wrote to memory of 4800	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	96
PID 3396 wrote to memory of 4800	3396	71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe	96

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\71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
"C:\Users\Admin\AppData\Local\Temp\71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2224
- C:\Users\Admin\AppData\Local\Temp\71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.exe
  "C:\Users\Admin\AppData\Local\Temp\71f340c235577a1f93b73d1dc4d2dde146c843510db05ae6c098380ab53bc6b1.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:3396
- - 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:768
- - 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:1908
  - - 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:3884
- - 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:1468
- - 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:1724
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    PID:4800
  - - 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:1448
  - - 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:1492
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3620
  - - 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:2752
  - - 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:3388
  - - 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:784
  - - 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:2576
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      PID:1904
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd.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:1584
      - C:\Windows\SysWOW64\sc.exe
        
        sc 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:1468

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
PID:580

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

__PSScriptPolicyTest_zzpaacqd.haq.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zzpaacqd.haq.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
MD5 d0c46cad6c0778401e21910bd6b56b70
SHA1 7be418951ea96326aca445b8dfe449b2bfa0dca6
SHA512 057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
MD5 SHA1 SHA512

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