glupteba | 8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c

Analysis

max time kernel
34s
max time network
36s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
26/04/2024, 23:30

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Reason

Machine shutdown

General

Target
8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Size 4.2MB
Sample240426-3hcplaec93
SHA256 8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c
MD5 d57222cf77447230790e97a06fc31286
SHA1 bfca3564b9b3e47068567084ef8b88e6b95035d0
SHA512 55131facad3ef736fd21a227d35dee97fa62179312d5116a4a03f485bda36351a1a1f635306d22d6499b68aa43fbf8152ebc04e6190bed7250514eef20b05111
SSDEEP 98304:mNqkCei/RpwTNwvC/d0zkTzoLKVJHo/KUEsELUhP0F0Gc:mueAwA5oTznVGKlAcG
MD5 SHA1 SHA512 SSDEEP

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 6 IoCs

resource	yara_rule
behavioral2/memory/3416-2-0x0000000006550000-0x0000000006E3B000-memory.dmp	family_glupteba
behavioral2/memory/3416-3-0x0000000000400000-0x000000000441C000-memory.dmp	family_glupteba
behavioral2/memory/3416-74-0x0000000000400000-0x000000000441C000-memory.dmp	family_glupteba
behavioral2/memory/4648-121-0x0000000000400000-0x000000000441C000-memory.dmp	family_glupteba
behavioral2/memory/3416-145-0x0000000006550000-0x0000000006E3B000-memory.dmp	family_glupteba
behavioral2/memory/2560-147-0x0000000000400000-0x000000000441C000-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
3272	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2560	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-1-5-21-293923083-2364846840-4256557006-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.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 opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File 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

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	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
File opened for modification	C:\Windows\rss	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
4756	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.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"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.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"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.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,-1041 = "Ulaanbaatar Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.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,-215 = "Pacific Standard Time (Mexico)"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.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,-448 = "Azerbaijan Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.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,-502 = "Nepal Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.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,-384 = "Namibia Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	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,-2531 = "Chatham Islands Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
3288	powershell.exe
3288	powershell.exe
3416	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
3416	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
3904	powershell.exe
3904	powershell.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
3948	powershell.exe
3948	powershell.exe
4356	powershell.exe
4356	powershell.exe
4868	powershell.exe
4868	powershell.exe
3924	powershell.exe
3924	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3288	powershell.exe
Token: SeDebugPrivilege	3416	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Token: SeImpersonatePrivilege	3416	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
Token: SeDebugPrivilege	3904	powershell.exe
Token: SeDebugPrivilege	3948	powershell.exe
Token: SeDebugPrivilege	4356	powershell.exe
Token: SeDebugPrivilege	4868	powershell.exe
Token: SeDebugPrivilege	3924	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 3288	3416	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	80
PID 3416 wrote to memory of 3288	3416	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	80
PID 3416 wrote to memory of 3288	3416	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	80
PID 4648 wrote to memory of 3904	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	86
PID 4648 wrote to memory of 3904	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	86
PID 4648 wrote to memory of 3904	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	86
PID 4648 wrote to memory of 3872	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	88
PID 4648 wrote to memory of 3872	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	88
PID 3872 wrote to memory of 3272	3872	cmd.exe	90
PID 3872 wrote to memory of 3272	3872	cmd.exe	90
PID 4648 wrote to memory of 3948	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	91
PID 4648 wrote to memory of 3948	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	91
PID 4648 wrote to memory of 3948	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	91
PID 4648 wrote to memory of 4356	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	93
PID 4648 wrote to memory of 4356	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	93
PID 4648 wrote to memory of 4356	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	93
PID 4648 wrote to memory of 2560	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	95
PID 4648 wrote to memory of 2560	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	95
PID 4648 wrote to memory of 2560	4648	8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe	95
PID 2560 wrote to memory of 4868	2560	csrss.exe	96
PID 2560 wrote to memory of 4868	2560	csrss.exe	96
PID 2560 wrote to memory of 4868	2560	csrss.exe	96
PID 2560 wrote to memory of 3924	2560	csrss.exe	101
PID 2560 wrote to memory of 3924	2560	csrss.exe	101
PID 2560 wrote to memory of 3924	2560	csrss.exe	101

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\8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
"C:\Users\Admin\AppData\Local\Temp\8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3288
- C:\Users\Admin\AppData\Local\Temp\8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.exe
  "C:\Users\Admin\AppData\Local\Temp\8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c.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:4648
- - 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:3904
- - 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:3272
- - 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:3948
- - 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:4356
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2560
  - - 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: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:4756
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:1824
  - - 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:3924
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:2464

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

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Downloads

__PSScriptPolicyTest_nbo2qh10.akx.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nbo2qh10.akx.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 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
MD5 ac4917a885cf6050b1a483e4bc4d2ea5
SHA1 b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA512 092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
MD5 SHA1 SHA512

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StartupProfileData-Interactive

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Size 19KB
SHA256 a7d8f470a07ffe9ad3dc4ab2e6b9593d83949062e016f195780e8baf8cd27de8
MD5 c6e2d547b587314bcbb62f3160153d48
SHA1 2cfde004d5992aac0b9937c581ea33d5aaa46ad3
SHA512 cf3cdfde133cfd4fd870c451b0e75b5e82feed248b684dd5e6c234a5f413544230dd5eadb0fd4982bbc90da639c2cac302e6415c6707a3d455b08446de9d0110
SSDEEP 384:kL3Hhz1S29OXyRHEdxneHnHtjWa1ICjis+NXL6/4bm7ynY9jhUdkH:KvSOJRWx+NjWa1ICOs+NDbm7d9lU0
MD5 SHA1 SHA512 SSDEEP

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StartupProfileData-Interactive

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Size 19KB
SHA256 87a0c3ab1d0417fa4782f4d6908fdca0bcbcd956d2435a51cb18d2a18e0586d4
MD5 845f8e37c9b2670cd552afb884885392
SHA1 d3d5110acf7d258cd141b45bb8332add9a92a077
SHA512 f44ff2956ab21d276e516bfc4dddf78e092322cb7fb5cc36f1d41ad766234ca0d8c2303bc96561c784b20cd6edf217a3a5c967efe86db46efaa12a307064e627
SSDEEP 384:zTHhz1S2oQgV2FRHEMEZAy9Tj8jWaK2QNX2MHm77SzbnY9jhUdwH:XS8gV2RPEb9sjWaBQNsWzE9lUU
MD5 SHA1 SHA512 SSDEEP

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StartupProfileData-Interactive

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Size 19KB
SHA256 d7937e53137ffe1fbf1eb126e60d6de1c143ba532758de74af3f8c80e32d263c
MD5 fc61d9e2034563d5d45fd1d906dbca55
SHA1 7d2343ed7c538dcf81bd88ceab4543bff2d75977
SHA512 0758808e533404faaa7ec6d62cbdc52484a4d782ca29008189ee30ef37114adc7da030e48aed68af228e0e97c5c8778056f342bb0d5e8d81f387754b76e95d3e
SSDEEP 384:vL3Hhz1S2eDGN7CaK2OLNXjg2I4b70UbenY9jhUd9H:TvSfDU7CaBOLNzgmbrbB9lUr
MD5 SHA1 SHA512 SSDEEP

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StartupProfileData-Interactive

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Size 19KB
SHA256 47af451633093c5aaaf798c79beebaa73872f584bf9cf8d4f147db6e0c8957cc
MD5 a42b019b55c41e9c7f88d802d3f671fd
SHA1 5cb8f0cd3baa53518ba94c10ad0fcd74af25c120
SHA512 88633d3a594765a504771b248b404ac7f786a47f47db3462e1413d5ac4791120cab5b15e88b455d477a2d3092422752556ccf4ea35ec36897193ba6b917e8f60
SSDEEP 384:0THhRSSJQDeHdR1PFRHEMEeHnnNvjQGIns+NXjg2J+bvXHzZRjNjdF+:WSSSKHvbRPE+NvjfIns+Nzga+bv3zZz2
MD5 SHA1 SHA512 SSDEEP

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csrss.exe

Path C:\Windows\rss\csrss.exe
Size 4.2MB
SHA256 8449ad6dec92b0b0151da7a2a7159efe5506b7619f200baf92e37be2c310870c
MD5 d57222cf77447230790e97a06fc31286
SHA1 bfca3564b9b3e47068567084ef8b88e6b95035d0
SHA512 55131facad3ef736fd21a227d35dee97fa62179312d5116a4a03f485bda36351a1a1f635306d22d6499b68aa43fbf8152ebc04e6190bed7250514eef20b05111
SSDEEP 98304:mNqkCei/RpwTNwvC/d0zkTzoLKVJHo/KUEsELUhP0F0Gc:mueAwA5oTznVGKlAcG
MD5 SHA1 SHA512 SSDEEP

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memory/2560-147-0x0000000000400000-0x000000000441C000-memory.dmp

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memory/3288-48-0x0000000073FF0000-0x00000000747A1000-memory.dmp

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memory/3288-41-0x00000000079A0000-0x00000000079B1000-memory.dmp

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memory/3288-11-0x0000000005E90000-0x0000000005EF6000-memory.dmp

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memory/3288-9-0x0000000005C10000-0x0000000005C32000-memory.dmp

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memory/3288-20-0x0000000005F00000-0x0000000006257000-memory.dmp

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memory/3288-21-0x0000000006370000-0x000000000638E000-memory.dmp

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memory/3288-22-0x00000000063A0000-0x00000000063EC000-memory.dmp

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memory/3288-23-0x0000000006930000-0x0000000006976000-memory.dmp

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memory/3288-24-0x0000000007790000-0x00000000077C4000-memory.dmp

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memory/3288-25-0x0000000070260000-0x00000000702AC000-memory.dmp

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memory/3288-26-0x00000000703F0000-0x0000000070747000-memory.dmp

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memory/3288-35-0x00000000077F0000-0x000000000780E000-memory.dmp

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memory/3288-36-0x0000000007810000-0x00000000078B4000-memory.dmp

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memory/3288-37-0x0000000007F80000-0x00000000085FA000-memory.dmp

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memory/3288-38-0x0000000007940000-0x000000000795A000-memory.dmp

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memory/3288-39-0x0000000007980000-0x000000000798A000-memory.dmp

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memory/3288-40-0x0000000007A90000-0x0000000007B26000-memory.dmp

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memory/3288-7-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

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memory/3288-42-0x00000000079F0000-0x00000000079FE000-memory.dmp

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memory/3288-43-0x0000000007A00000-0x0000000007A15000-memory.dmp

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memory/3288-44-0x0000000007A50000-0x0000000007A6A000-memory.dmp

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memory/3288-45-0x0000000007A70000-0x0000000007A78000-memory.dmp

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memory/3288-5-0x0000000073FF0000-0x00000000747A1000-memory.dmp

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memory/3288-8-0x00000000055E0000-0x0000000005C0A000-memory.dmp

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memory/3288-6-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

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memory/3288-10-0x0000000005DB0000-0x0000000005E16000-memory.dmp

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memory/3288-4-0x0000000004EE0000-0x0000000004F16000-memory.dmp

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memory/3416-145-0x0000000006550000-0x0000000006E3B000-memory.dmp

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memory/3416-122-0x00000000047A0000-0x0000000004BA3000-memory.dmp

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memory/3416-74-0x0000000000400000-0x000000000441C000-memory.dmp

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memory/3416-3-0x0000000000400000-0x000000000441C000-memory.dmp

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memory/3416-2-0x0000000006550000-0x0000000006E3B000-memory.dmp

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memory/3416-1-0x00000000047A0000-0x0000000004BA3000-memory.dmp

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memory/3904-70-0x0000000007770000-0x0000000007781000-memory.dmp

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memory/3904-69-0x0000000007450000-0x00000000074F4000-memory.dmp

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memory/3904-58-0x0000000005E00000-0x0000000006157000-memory.dmp

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memory/3904-60-0x00000000703E0000-0x0000000070737000-memory.dmp

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memory/3904-59-0x0000000070260000-0x00000000702AC000-memory.dmp

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memory/3904-71-0x00000000077C0000-0x00000000077D5000-memory.dmp

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memory/3924-161-0x0000000070300000-0x0000000070657000-memory.dmp

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memory/3924-157-0x00000000064A0000-0x00000000067F7000-memory.dmp

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memory/3924-172-0x0000000006440000-0x0000000006455000-memory.dmp

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memory/3924-171-0x00000000063D0000-0x00000000063E1000-memory.dmp

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memory/3924-170-0x0000000007BD0000-0x0000000007C74000-memory.dmp

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memory/3924-160-0x0000000070180000-0x00000000701CC000-memory.dmp

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memory/3924-159-0x00000000069D0000-0x0000000006A1C000-memory.dmp

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memory/3948-85-0x0000000070260000-0x00000000702AC000-memory.dmp

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memory/3948-86-0x00000000703E0000-0x0000000070737000-memory.dmp

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memory/4356-105-0x0000000070260000-0x00000000702AC000-memory.dmp

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memory/4356-106-0x00000000703E0000-0x0000000070737000-memory.dmp

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memory/4648-121-0x0000000000400000-0x000000000441C000-memory.dmp

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memory/4868-131-0x00000000058D0000-0x0000000005C27000-memory.dmp

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memory/4868-134-0x00000000704B0000-0x0000000070807000-memory.dmp

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memory/4868-133-0x0000000070260000-0x00000000702AC000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads