glupteba | a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7

Analysis

max time kernel
163s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 16:29

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General

Target

a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Size

4.2MB
MD5

0199dfb09c2c2eb3af4f9e8efb6dadca
SHA1

e8cad6ebd8d4817bdb5c3bd6119ee92273482a71
SHA256

a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7
SHA512

2b9e7d1288709f71409317b49011f0f864d4d5b70768d631153bfe38192589f8b182a57ffdcd24c8858ef7f11c0a50f7b682fcf6b13e6691284bd8104718d659
SSDEEP

98304:Cq77jqY634qYqqku+lyD9j83bmq6chkYsndCeM49l0PC8vwYt3LS/Hh+:Cg7jqGqHumyZj83bqlTnjD0P2G3Ig

Score

10^/10

glupteba 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/2728-2-0x0000000005260000-0x0000000005B4B000-memory.dmp	family_glupteba
behavioral1/memory/2728-3-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2728-4-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2728-8-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2728-10-0x0000000005260000-0x0000000005B4B000-memory.dmp	family_glupteba
behavioral1/memory/2728-33-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2728-54-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2728-73-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2364-75-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2364-89-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2364-122-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2364-136-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2364-165-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/2364-171-0x0000000000400000-0x0000000003105000-memory.dmp	family_glupteba
behavioral1/memory/4572-237-0x0000000000400000-0x0000000003105000-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
3192	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe

Drops file in System32 directory 4 IoCs

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

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
File created	C:\Windows\rss\csrss.exe	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3940	2728	WerFault.exe	84

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
1924	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,-2411 = "Marquesas Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.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,-681 = "E. Australia Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.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,-81 = "Atlantic Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time"	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1820	powershell.exe
1820	powershell.exe
2728	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2728	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
732	powershell.exe
732	powershell.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
1816	powershell.exe
1816	powershell.exe
3780	powershell.exe
3780	powershell.exe
916	powershell.exe
916	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	powershell.exe
Token: SeDebugPrivilege	2728	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Token: SeImpersonatePrivilege	2728	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
Token: SeDebugPrivilege	732	powershell.exe
Token: SeDebugPrivilege	1816	powershell.exe
Token: SeDebugPrivilege	3780	powershell.exe
Token: SeDebugPrivilege	916	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 1820	2728	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	90
PID 2728 wrote to memory of 1820	2728	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	90
PID 2728 wrote to memory of 1820	2728	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	90
PID 2364 wrote to memory of 732	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	104
PID 2364 wrote to memory of 732	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	104
PID 2364 wrote to memory of 732	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	104
PID 2364 wrote to memory of 3200	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	106
PID 2364 wrote to memory of 3200	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	106
PID 3200 wrote to memory of 3192	3200	cmd.exe	108
PID 3200 wrote to memory of 3192	3200	cmd.exe	108
PID 2364 wrote to memory of 1816	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	109
PID 2364 wrote to memory of 1816	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	109
PID 2364 wrote to memory of 1816	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	109
PID 2364 wrote to memory of 3780	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	111
PID 2364 wrote to memory of 3780	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	111
PID 2364 wrote to memory of 3780	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	111
PID 2364 wrote to memory of 4572	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	113
PID 2364 wrote to memory of 4572	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	113
PID 2364 wrote to memory of 4572	2364	a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe	113
PID 4572 wrote to memory of 916	4572	csrss.exe	114
PID 4572 wrote to memory of 916	4572	csrss.exe	114
PID 4572 wrote to memory of 916	4572	csrss.exe	114

C:\Users\Admin\AppData\Local\Temp\a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
"C:\Users\Admin\AppData\Local\Temp\a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1820
- C:\Users\Admin\AppData\Local\Temp\a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.exe
  "C:\Users\Admin\AppData\Local\Temp\a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7.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:2364
- - 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:732
- - 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:3200
  - - 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:3192
- - 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:1816
- - 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:3780
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4572
  - - 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:916
  - - 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:1924
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:5100
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:3860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 476
  2⤵
  - Program crash
  PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2728 -ip 2728
1⤵
PID:3924

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

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_bik5vsbm.52g.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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
1d34c6957b3b69607ce2b38f6a697936

SHA1
f8e736c8d9f8037aaaf62fccfe38b8a2d85e4b1d

SHA256
9fb66d19a1822d13cb117ddd1882ce20caf329a965d255150f59cb54bcf7b99a

SHA512
5984d0360ccf7993c28b9cbde845835a2fb20e1649e520385c49a51c54d187746e82e67f899878c0e17c0f60622f8f7fa54a7350a3e72aa84828ff994a24f19f

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

Filesize
19KB

MD5
9745bdc99e985d873054d5948125db02

SHA1
759422ae317e2a2a227db81104f62e4328bdf49e

SHA256
2fecf809c5f208d2bd4625cab905df24d27b35fb442c72fbfc678a8401834ba8

SHA512
878ab78472de89c8d7ebd3c1b5ae50d2bd3d5bc1b3afc4043b62de7b92b42b482472a4bb19267233bcb92354b9120586f605b58a9017fa363e8020f5df6795be

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

Filesize
19KB

MD5
7fa85b85f60b565b69e1d929e5d1a1e6

SHA1
954fd6346e8e4f1aef4b4d8da25b1b99d14b8c9c

SHA256
ba3520b3714fe152873f63a5aad570ef3db9550f9fb9d7fc314756cfc5c4b0e7

SHA512
453aaef1ea116409d3a9f5c2adb29a317556c44ef0608cb5e41bd21174e1f28bfda720887f902aace76163e5ff7dfcf65436cda64d492673a83d6b8a72a7033d

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

Filesize
19KB

MD5
9c34870853ef91e5929633350f4ae154

SHA1
799661e0d3d69df69d26a3fed72a679f5ae3fd5a

SHA256
dcdd1852d796a4caede1d009c81d371491cfd6899db21ecdeaae186b62d09816

SHA512
3cf5212ca45433701973c2b077dd3413af67b23ce5e6e9d027ea1a705ca13b4b8d89453caea03fb16cb750acfafa1359e599b08a39526ff20f9758595e9d0a72

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

Filesize
4.2MB

MD5
0199dfb09c2c2eb3af4f9e8efb6dadca

SHA1
e8cad6ebd8d4817bdb5c3bd6119ee92273482a71

SHA256
a3d6c15439eec7c90f015deab3e2fc930df70ab90630ad5a6c1a6bbebd3bc8b7

SHA512
2b9e7d1288709f71409317b49011f0f864d4d5b70768d631153bfe38192589f8b182a57ffdcd24c8858ef7f11c0a50f7b682fcf6b13e6691284bd8104718d659

Download Submit
memory/732-88-0x0000000005E40000-0x0000000005E8C000-memory.dmp

Filesize
304KB

Download
memory/732-103-0x0000000007010000-0x0000000007021000-memory.dmp

Filesize
68KB

Download
memory/732-90-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/732-83-0x0000000005550000-0x00000000058A4000-memory.dmp

Filesize
3.3MB

Download
memory/732-91-0x0000000070640000-0x000000007068C000-memory.dmp

Filesize
304KB

Download
memory/732-92-0x0000000070DE0000-0x0000000071134000-memory.dmp

Filesize
3.3MB

Download
memory/732-102-0x0000000006D30000-0x0000000006DD3000-memory.dmp

Filesize
652KB

Download
memory/732-76-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/732-77-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/732-107-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/732-104-0x0000000007060000-0x0000000007074000-memory.dmp

Filesize
80KB

Download
memory/1816-126-0x00000000707E0000-0x0000000070B34000-memory.dmp

Filesize
3.3MB

Download
memory/1816-109-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/1816-110-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1816-120-0x0000000006120000-0x0000000006474000-memory.dmp

Filesize
3.3MB

Download
memory/1816-123-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/1816-124-0x000000007FCA0000-0x000000007FCB0000-memory.dmp

Filesize
64KB

Download
memory/1816-125-0x0000000070640000-0x000000007068C000-memory.dmp

Filesize
304KB

Download
memory/1816-138-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/1820-30-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1820-31-0x0000000007790000-0x0000000007806000-memory.dmp

Filesize
472KB

Download
memory/1820-38-0x00000000079E0000-0x0000000007A12000-memory.dmp

Filesize
200KB

Download
memory/1820-39-0x0000000070540000-0x000000007058C000-memory.dmp

Filesize
304KB

Download
memory/1820-40-0x0000000070940000-0x0000000070C94000-memory.dmp

Filesize
3.3MB

Download
memory/1820-50-0x00000000079C0000-0x00000000079DE000-memory.dmp

Filesize
120KB

Download
memory/1820-51-0x0000000007A20000-0x0000000007AC3000-memory.dmp

Filesize
652KB

Download
memory/1820-52-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1820-53-0x0000000007B30000-0x0000000007B3A000-memory.dmp

Filesize
40KB

Download
memory/1820-5-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1820-55-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1820-57-0x0000000007C40000-0x0000000007CD6000-memory.dmp

Filesize
600KB

Download
memory/1820-59-0x0000000007B60000-0x0000000007B71000-memory.dmp

Filesize
68KB

Download
memory/1820-60-0x000000007F2E0000-0x000000007F2F0000-memory.dmp

Filesize
64KB

Download
memory/1820-62-0x0000000007720000-0x000000000772E000-memory.dmp

Filesize
56KB

Download
memory/1820-65-0x0000000007730000-0x0000000007744000-memory.dmp

Filesize
80KB

Download
memory/1820-66-0x0000000007BA0000-0x0000000007BBA000-memory.dmp

Filesize
104KB

Download
memory/1820-68-0x0000000000BA0000-0x0000000000BA8000-memory.dmp

Filesize
32KB

Download
memory/1820-71-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1820-6-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1820-7-0x0000000004E90000-0x0000000004EC6000-memory.dmp

Filesize
216KB

Download
memory/1820-11-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1820-36-0x0000000007830000-0x000000000784A000-memory.dmp

Filesize
104KB

Download
memory/1820-35-0x0000000007E90000-0x000000000850A000-memory.dmp

Filesize
6.5MB

Download
memory/1820-34-0x0000000005030000-0x0000000005040000-memory.dmp

Filesize
64KB

Download
memory/1820-12-0x0000000005670000-0x0000000005C98000-memory.dmp

Filesize
6.2MB

Download
memory/1820-13-0x0000000005350000-0x0000000005372000-memory.dmp

Filesize
136KB

Download
memory/1820-32-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1820-37-0x000000007F2E0000-0x000000007F2F0000-memory.dmp

Filesize
64KB

Download
memory/1820-14-0x00000000055F0000-0x0000000005656000-memory.dmp

Filesize
408KB

Download
memory/1820-29-0x0000000006A10000-0x0000000006A54000-memory.dmp

Filesize
272KB

Download
memory/1820-27-0x0000000006490000-0x00000000064DC000-memory.dmp

Filesize
304KB

Download
memory/1820-26-0x0000000006460000-0x000000000647E000-memory.dmp

Filesize
120KB

Download
memory/1820-25-0x0000000005E40000-0x0000000006194000-memory.dmp

Filesize
3.3MB

Download
memory/1820-20-0x0000000005DD0000-0x0000000005E36000-memory.dmp

Filesize
408KB

Download
memory/2364-136-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2364-89-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2364-171-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2364-75-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2364-122-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2364-165-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2364-74-0x0000000004DD0000-0x00000000051C9000-memory.dmp

Filesize
4.0MB

Download
memory/2728-10-0x0000000005260000-0x0000000005B4B000-memory.dmp

Filesize
8.9MB

Download
memory/2728-73-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2728-8-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2728-9-0x0000000004E50000-0x0000000005251000-memory.dmp

Filesize
4.0MB

Download
memory/2728-54-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2728-1-0x0000000004E50000-0x0000000005251000-memory.dmp

Filesize
4.0MB

Download
memory/2728-4-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2728-33-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2728-3-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download
memory/2728-2-0x0000000005260000-0x0000000005B4B000-memory.dmp

Filesize
8.9MB

Download
memory/3780-139-0x0000000074740000-0x0000000074EF0000-memory.dmp

Filesize
7.7MB

Download
memory/3780-140-0x0000000004840000-0x0000000004850000-memory.dmp

Filesize
64KB

Download
memory/4572-237-0x0000000000400000-0x0000000003105000-memory.dmp

Filesize
45.0MB

Download