glupteba | 3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177

Analysis

max time kernel
9s
max time network
149s
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, 23:07

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General

Target
3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Size 4.2MB
Sample240417-235qfaha82
SHA256 3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177
MD5 1a39a59881224faf7884d131c3172360
SHA1 b90a2abdf54235d041f95f2c1cff7019fb860f34
SHA512 616f4d1cf69963760961bbaaa396caa02d0b47530374e95a65b66a2216462e4c4c27b18eee0995d78b89dd793c466bec93699940f63a4f85d5e75c5664de0462
SSDEEP 98304:9uj+q6TJ4wJXu5ZJ1j+7xTB8ercClYoKJ32fC3NV26E3wqtOnXcGdwYxxM:Aj+FTuwJ2ZmxTB8FOXbwqtOnFmYxM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba dropper evasion loader upx

Malware Config

Signatures

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

Glupteba payload 21 IoCs

resource	yara_rule
behavioral2/memory/1600-2-0x0000000005220000-0x0000000005B0B000-memory.dmp	family_glupteba
behavioral2/memory/1600-3-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1600-50-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1600-52-0x0000000005220000-0x0000000005B0B000-memory.dmp	family_glupteba
behavioral2/memory/3604-54-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/3604-115-0x0000000004E20000-0x0000000005223000-memory.dmp	family_glupteba
behavioral2/memory/3604-138-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/3604-146-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-241-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-250-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-252-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-254-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-256-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-258-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-260-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-262-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-264-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-266-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-268-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-270-0x0000000000400000-0x0000000003119000-memory.dmp	family_glupteba
behavioral2/memory/1624-272-0x0000000000400000-0x0000000003119000-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
2292	netsh.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000200000002a9e8-245.dat	upx
behavioral2/memory/1380-249-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2280-251-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2280-255-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2280-261-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe
File created	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	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe

Launches sc.exe 1 IoCs

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

pid	Process
2096	sc.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1408	1600	WerFault.exe	79
4976	3604	WerFault.exe	89

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
3468	schtasks.exe
4372	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,-392 = "Arab Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.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"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.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,-42 = "E. South America Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-2162 = "Altai Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.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"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.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,-1022 = "Bangladesh Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.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,-441 = "Arabian Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\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\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.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,-451 = "Caucasus Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time"	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.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

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1496	powershell.exe
1496	powershell.exe
1600	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
1600	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
2404	powershell.exe
2404	powershell.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
3536	powershell.exe
3536	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1496	powershell.exe
Token: SeDebugPrivilege	1600	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Token: SeImpersonatePrivilege	1600	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	3536	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1496	1600	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	82
PID 1600 wrote to memory of 1496	1600	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	82
PID 1600 wrote to memory of 1496	1600	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	82
PID 3604 wrote to memory of 2404	3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	93
PID 3604 wrote to memory of 2404	3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	93
PID 3604 wrote to memory of 2404	3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	93
PID 3604 wrote to memory of 2812	3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	129
PID 3604 wrote to memory of 2812	3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	129
PID 2812 wrote to memory of 2292	2812	cmd.exe	97
PID 2812 wrote to memory of 2292	2812	cmd.exe	97
PID 3604 wrote to memory of 3536	3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	98
PID 3604 wrote to memory of 3536	3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	98
PID 3604 wrote to memory of 3536	3604	3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe	98

C:\Users\Admin\AppData\Local\Temp\3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
"C:\Users\Admin\AppData\Local\Temp\3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1496
- C:\Users\Admin\AppData\Local\Temp\3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe
  "C:\Users\Admin\AppData\Local\Temp\3c07b56d26a5291f28adfbfec17849f6fcff066a0dec578f1f9e0551aee91177.exe"
  2⤵
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3604
- - 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:2404
- - 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:2812
  - - 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:2292
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3536
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    PID:2592
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    PID:1624
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:2956
  - - 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:3468
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3028
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:1232
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:2216
  - - 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:4868
  - - 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:4372
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      PID:1380
    - - 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:3892
      - 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:2096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 712
    3⤵
    - Program crash
    PID:4976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 904
  2⤵
  - Program crash
  PID:1408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1600 -ip 1600
1⤵
PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3604 -ip 3604
1⤵
PID:1504

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
PID:2280

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

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

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_xcy0l23o.e4h.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xcy0l23o.e4h.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

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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 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
MD5 ac4917a885cf6050b1a483e4bc4d2ea5
SHA1 b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA512 092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
MD5 SHA1 SHA512

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