glupteba | ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd

Analysis

max time kernel
47s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
13/05/2024, 17:34

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General

Target

ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Size

4.1MB
MD5

f1731c50d2a84e66e854c7ca9f24be40
SHA1

755ae7cf6a7b377e2631f8656cd21ab4abc9fdb5
SHA256

ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd
SHA512

7380f0796feaff6dbd4be2901290a32f335d1418ea745a61c4786c1b21c6de5fc83f7a859487a332469ddc21cb6dd1ecc57e2ad280ba63cb45c5f2e233795902
SSDEEP

98304:0pMzL5+lO9W76PsoCApCyikUKUcOjCi32ayWjPGQw0uKEhKuf:0Cz0Ow78YApCVkUKUXCi327kurTvhKA

Score

10^/10

glupteba dropper evasion execution loader persistence

Malware Config

Signatures

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

Glupteba payload 8 IoCs

resource	yara_rule
behavioral2/memory/5044-2-0x0000000004CA0000-0x000000000558B000-memory.dmp	family_glupteba
behavioral2/memory/5044-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/5044-24-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/5044-54-0x0000000004CA0000-0x000000000558B000-memory.dmp	family_glupteba
behavioral2/memory/5044-55-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/5044-64-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral2/memory/2896-77-0x0000000000400000-0x0000000002B0C000-memory.dmp	family_glupteba
behavioral2/memory/2896-128-0x0000000000400000-0x0000000002B0C000-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
1572	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4976	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-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
File created	C:\Windows\rss\csrss.exe	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4584	powershell.exe
984	powershell.exe
2932	powershell.exe
1700	powershell.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	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,-2492 = "Aus Central W. Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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,-842 = "Argentina Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time"	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4584	powershell.exe
4584	powershell.exe
5044	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
5044	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
984	powershell.exe
984	powershell.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
2932	powershell.exe
2932	powershell.exe
1700	powershell.exe
1700	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4584	powershell.exe
Token: SeDebugPrivilege	5044	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Token: SeImpersonatePrivilege	5044	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Token: SeDebugPrivilege	984	powershell.exe
Token: SeDebugPrivilege	2932	powershell.exe
Token: SeDebugPrivilege	1700	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 4584	5044	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	78
PID 5044 wrote to memory of 4584	5044	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	78
PID 5044 wrote to memory of 4584	5044	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	78
PID 2896 wrote to memory of 984	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	83
PID 2896 wrote to memory of 984	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	83
PID 2896 wrote to memory of 984	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	83
PID 2896 wrote to memory of 4892	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	85
PID 2896 wrote to memory of 4892	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	85
PID 4892 wrote to memory of 1572	4892	cmd.exe	87
PID 4892 wrote to memory of 1572	4892	cmd.exe	87
PID 2896 wrote to memory of 2932	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	88
PID 2896 wrote to memory of 2932	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	88
PID 2896 wrote to memory of 2932	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	88
PID 2896 wrote to memory of 1700	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	90
PID 2896 wrote to memory of 1700	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	90
PID 2896 wrote to memory of 1700	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	90
PID 2896 wrote to memory of 4976	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	92
PID 2896 wrote to memory of 4976	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	92
PID 2896 wrote to memory of 4976	2896	ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe	92

C:\Users\Admin\AppData\Local\Temp\ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
"C:\Users\Admin\AppData\Local\Temp\ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4584
- C:\Users\Admin\AppData\Local\Temp\ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
  "C:\Users\Admin\AppData\Local\Temp\ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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:2896
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:984
- - 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:4892
  - - 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:1572
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2932
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1700
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    PID:4976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

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

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_rraalxjc.d2k.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
ac4917a885cf6050b1a483e4bc4d2ea5

SHA1
b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f

SHA256
e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9

SHA512
092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d

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

Filesize
19KB

MD5
a8d7522ca6853789d66ead323807bc4f

SHA1
bb5c1f4a0f6b7127b8612539f5463c86b46a71f1

SHA256
1d667eebba7d8b7647cab5874d63133d3ed0f76a14c73373f6458e75d4ee1ffe

SHA512
27fa6729d6221d70d6f787ac9bb0fb2a1475676faf016b7be6311cdbfda3d21b989cc2d8e7e2886863289e9aac756a1f964a4fb5908259f2add50c4425167202

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

Filesize
19KB

MD5
447dcfe2db15f722452be3bd5eb42c45

SHA1
19330e32ef78d0b601fc1cdae834eea8722a8b7c

SHA256
e2bc635e545f82fb9d750d1a5e70e2f4424f63ef29f2674534f0f254ab0674df

SHA512
36818ccea77828d8f1b8ffe7dccd8be84a05b2ef633b8f36a2068b94c13b817c4a2d89c5757e9e27df262caff76bae52910285cfda59f36d77ce1443803087f3

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

Filesize
4.1MB

MD5
f1731c50d2a84e66e854c7ca9f24be40

SHA1
755ae7cf6a7b377e2631f8656cd21ab4abc9fdb5

SHA256
ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd

SHA512
7380f0796feaff6dbd4be2901290a32f335d1418ea745a61c4786c1b21c6de5fc83f7a859487a332469ddc21cb6dd1ecc57e2ad280ba63cb45c5f2e233795902

Download Submit
memory/984-66-0x0000000070540000-0x0000000070897000-memory.dmp

Filesize
3.3MB

Download
memory/984-75-0x00000000077A0000-0x0000000007844000-memory.dmp

Filesize
656KB

Download
memory/984-65-0x0000000070310000-0x000000007035C000-memory.dmp

Filesize
304KB

Download
memory/984-76-0x0000000007AD0000-0x0000000007AE1000-memory.dmp

Filesize
68KB

Download
memory/984-78-0x0000000007B20000-0x0000000007B35000-memory.dmp

Filesize
84KB

Download
memory/1700-114-0x0000000070310000-0x000000007035C000-memory.dmp

Filesize
304KB

Download
memory/1700-104-0x0000000005BF0000-0x0000000005F47000-memory.dmp

Filesize
3.3MB

Download
memory/1700-115-0x0000000070560000-0x00000000708B7000-memory.dmp

Filesize
3.3MB

Download
memory/2896-77-0x0000000000400000-0x0000000002B0C000-memory.dmp

Filesize
39.0MB

Download
memory/2896-128-0x0000000000400000-0x0000000002B0C000-memory.dmp

Filesize
39.0MB

Download
memory/2932-90-0x0000000005D80000-0x00000000060D7000-memory.dmp

Filesize
3.3MB

Download
memory/2932-93-0x0000000070490000-0x00000000707E7000-memory.dmp

Filesize
3.3MB

Download
memory/2932-92-0x0000000070310000-0x000000007035C000-memory.dmp

Filesize
304KB

Download
memory/4584-21-0x0000000005F10000-0x0000000005F2E000-memory.dmp

Filesize
120KB

Download
memory/4584-11-0x0000000005A00000-0x0000000005A66000-memory.dmp

Filesize
408KB

Download
memory/4584-38-0x00000000073B0000-0x0000000007454000-memory.dmp

Filesize
656KB

Download
memory/4584-4-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/4584-36-0x00000000740A0000-0x0000000074851000-memory.dmp

Filesize
7.7MB

Download
memory/4584-27-0x0000000070540000-0x0000000070897000-memory.dmp

Filesize
3.3MB

Download
memory/4584-40-0x0000000007B20000-0x000000000819A000-memory.dmp

Filesize
6.5MB

Download
memory/4584-41-0x00000000074E0000-0x00000000074FA000-memory.dmp

Filesize
104KB

Download
memory/4584-42-0x0000000007520000-0x000000000752A000-memory.dmp

Filesize
40KB

Download
memory/4584-43-0x0000000007630000-0x00000000076C6000-memory.dmp

Filesize
600KB

Download
memory/4584-44-0x0000000007540000-0x0000000007551000-memory.dmp

Filesize
68KB

Download
memory/4584-45-0x0000000007590000-0x000000000759E000-memory.dmp

Filesize
56KB

Download
memory/4584-46-0x00000000075A0000-0x00000000075B5000-memory.dmp

Filesize
84KB

Download
memory/4584-47-0x00000000075F0000-0x000000000760A000-memory.dmp

Filesize
104KB

Download
memory/4584-48-0x00000000075D0000-0x00000000075D8000-memory.dmp

Filesize
32KB

Download
memory/4584-51-0x00000000740A0000-0x0000000074851000-memory.dmp

Filesize
7.7MB

Download
memory/4584-5-0x0000000002A80000-0x0000000002AB6000-memory.dmp

Filesize
216KB

Download
memory/4584-6-0x0000000005260000-0x000000000588A000-memory.dmp

Filesize
6.2MB

Download
memory/4584-7-0x00000000740A0000-0x0000000074851000-memory.dmp

Filesize
7.7MB

Download
memory/4584-8-0x00000000740A0000-0x0000000074851000-memory.dmp

Filesize
7.7MB

Download
memory/4584-37-0x0000000007390000-0x00000000073AE000-memory.dmp

Filesize
120KB

Download
memory/4584-25-0x0000000007350000-0x0000000007384000-memory.dmp

Filesize
208KB

Download
memory/4584-26-0x0000000070310000-0x000000007035C000-memory.dmp

Filesize
304KB

Download
memory/4584-23-0x00000000064A0000-0x00000000064E6000-memory.dmp

Filesize
280KB

Download
memory/4584-22-0x0000000005F60000-0x0000000005FAC000-memory.dmp

Filesize
304KB

Download
memory/4584-9-0x0000000005090000-0x00000000050B2000-memory.dmp

Filesize
136KB

Download
memory/4584-20-0x0000000005A70000-0x0000000005DC7000-memory.dmp

Filesize
3.3MB

Download
memory/4584-10-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/4584-39-0x00000000740A0000-0x0000000074851000-memory.dmp

Filesize
7.7MB

Download
memory/5044-1-0x0000000004890000-0x0000000004C96000-memory.dmp

Filesize
4.0MB

Download
memory/5044-64-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/5044-55-0x0000000000400000-0x0000000002B0C000-memory.dmp

Filesize
39.0MB

Download
memory/5044-54-0x0000000004CA0000-0x000000000558B000-memory.dmp

Filesize
8.9MB

Download
memory/5044-53-0x0000000004890000-0x0000000004C96000-memory.dmp

Filesize
4.0MB

Download
memory/5044-24-0x0000000000400000-0x0000000002B0C000-memory.dmp

Filesize
39.0MB

Download
memory/5044-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/5044-2-0x0000000004CA0000-0x000000000558B000-memory.dmp

Filesize
8.9MB

Download