glupteba | a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734

Analysis

max time kernel
145s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17-05-2024 12:44

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General

Target

a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Size

4.1MB
MD5

1be2c183da3ae9791ead2df9ca460ae7
SHA1

bb476344ea2e17754a636f95b34cce86ea7f1041
SHA256

a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734
SHA512

6f9c858c31cc7dacb6cec37a99f702067e285d71162825c06ee9f9a3b7bda6549c1389bc0229c2d580ebbee0b33392fa062825e878f3e42d7c196064948dbfcb
SSDEEP

98304:nBVs1p4PpCxl89qkqVHLjfQjDTn2r+Nba:Ba1p4P0l8MfVLMTra

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 14 IoCs

resource	yara_rule
behavioral1/memory/3696-2-0x0000000004C80000-0x000000000556B000-memory.dmp	family_glupteba
behavioral1/memory/3696-3-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3696-7-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral1/memory/3696-13-0x0000000004C80000-0x000000000556B000-memory.dmp	family_glupteba
behavioral1/memory/3696-22-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3696-35-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral1/memory/3696-56-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral1/memory/3696-66-0x0000000000400000-0x0000000000D1C000-memory.dmp	family_glupteba
behavioral1/memory/3696-65-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral1/memory/1364-67-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral1/memory/1364-95-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral1/memory/1364-130-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral1/memory/1364-148-0x0000000000400000-0x0000000002B0D000-memory.dmp	family_glupteba
behavioral1/memory/3208-151-0x0000000000400000-0x0000000002B0D000-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
492	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3208	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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.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	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
File created	C:\Windows\rss\csrss.exe	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1884	powershell.exe
2436	powershell.exe
372	powershell.exe
4524	powershell.exe
1608	powershell.exe
4572	powershell.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
1088	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,-362 = "GTB Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.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,-1502 = "Turkey Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.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"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	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,-2891 = "Sudan Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	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,-2772 = "Omsk Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	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"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time"	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
1608	powershell.exe
1608	powershell.exe
1608	powershell.exe
3696	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
3696	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
4572	powershell.exe
4572	powershell.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
1884	powershell.exe
1884	powershell.exe
2436	powershell.exe
2436	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	powershell.exe
Token: SeDebugPrivilege	3696	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Token: SeImpersonatePrivilege	3696	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
Token: SeDebugPrivilege	4572	powershell.exe
Token: SeDebugPrivilege	1884	powershell.exe
Token: SeDebugPrivilege	2436	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 1608	3696	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	97
PID 3696 wrote to memory of 1608	3696	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	97
PID 3696 wrote to memory of 1608	3696	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	97
PID 1364 wrote to memory of 4572	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	103
PID 1364 wrote to memory of 4572	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	103
PID 1364 wrote to memory of 4572	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	103
PID 1364 wrote to memory of 3256	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	105
PID 1364 wrote to memory of 3256	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	105
PID 3256 wrote to memory of 492	3256	cmd.exe	107
PID 3256 wrote to memory of 492	3256	cmd.exe	107
PID 1364 wrote to memory of 1884	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	108
PID 1364 wrote to memory of 1884	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	108
PID 1364 wrote to memory of 1884	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	108
PID 1364 wrote to memory of 2436	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	110
PID 1364 wrote to memory of 2436	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	110
PID 1364 wrote to memory of 2436	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	110
PID 1364 wrote to memory of 3208	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	112
PID 1364 wrote to memory of 3208	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	112
PID 1364 wrote to memory of 3208	1364	a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe	112
PID 3208 wrote to memory of 372	3208	csrss.exe	113
PID 3208 wrote to memory of 372	3208	csrss.exe	113
PID 3208 wrote to memory of 372	3208	csrss.exe	113

C:\Users\Admin\AppData\Local\Temp\a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
"C:\Users\Admin\AppData\Local\Temp\a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3696
- 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:1608
- C:\Users\Admin\AppData\Local\Temp\a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.exe
  "C:\Users\Admin\AppData\Local\Temp\a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734.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:1364
- - 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:4572
- - 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:3256
  - - 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:492
- - 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:1884
- - 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:2436
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3208
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:372
  - - 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:1088
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3256
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:4524

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:5108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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_nmd30xnu.olk.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
fc9cc521303051c3d09d971cd510b90f

SHA1
9c9218c9c03b7350c78766102b3731679bbe437f

SHA256
554d416de8ac1cfcc75e44f97517984eec748ae55418ba8c69867768a17e7a10

SHA512
4efd7413afb5cb74b159c1ff0ec4a1cd33c33bf62227a72c5668869d4ba18c505c679f8d6bd179e44df2930b1a2cc9d048c9963995f8e3b436b9d37866c58729

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

Filesize
19KB

MD5
eebb369871c238ddcdb4fd52f1b4a93e

SHA1
5a7f4a619148455a6026070bd5942245dd3b05eb

SHA256
a4c09647acb5f8f84681a9cfdd3b17f9a073b78324b5bd58f65ae0a5bbf676ff

SHA512
e8861e119ece086918f8734898dfdc29970bfa55351649354df03d7349f41809342034435c5838aa51d0d4c828977ee9646eeda87769209eacc417bea4b2ba33

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

Filesize
19KB

MD5
4922b1fe7f3ff04911f675f409e1e1bc

SHA1
5fb9144f7144b488734261e70b604114a0275493

SHA256
1cf111c50a594afbf5a4253929f9db4db612aadc78420d37dc0c83669ba2fdc1

SHA512
bafaf390e0a53265fd8a0ec4a156057359ef245788d34a03a9782bb3f834cf90fb6c6215ef16543c3aa340d1dfbd344d76c48c418f3ec0b8d488b4a29a456cf1

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

Filesize
19KB

MD5
839e74c195f33b52a02429c095d01c00

SHA1
0bfe4a37540538db043560b01cfb75b49894894e

SHA256
bd2b529163b24d0119b3df2297be5eb7ac7956d3bef0fa07ec6e2545ffa56658

SHA512
bab65043bfbf281ccd8524909ea7ce87d5135f1495b930de5446b897f0b25ac0b2b55ace8019da7758c3d884e23ed359d56f5d112d3414d365bb60194e0c8c69

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

Filesize
4.1MB

MD5
1be2c183da3ae9791ead2df9ca460ae7

SHA1
bb476344ea2e17754a636f95b34cce86ea7f1041

SHA256
a35b2ebe85c5b4497938609b1cd6c0b8556dfe69a23049a9bebfc7905037f734

SHA512
6f9c858c31cc7dacb6cec37a99f702067e285d71162825c06ee9f9a3b7bda6549c1389bc0229c2d580ebbee0b33392fa062825e878f3e42d7c196064948dbfcb

Download Submit
memory/372-175-0x00000000071C0000-0x0000000007263000-memory.dmp

Filesize
652KB

Download
memory/372-163-0x0000000006510000-0x000000000655C000-memory.dmp

Filesize
304KB

Download
memory/372-161-0x0000000005A50000-0x0000000005DA4000-memory.dmp

Filesize
3.3MB

Download
memory/372-164-0x0000000070600000-0x000000007064C000-memory.dmp

Filesize
304KB

Download
memory/372-165-0x0000000070780000-0x0000000070AD4000-memory.dmp

Filesize
3.3MB

Download
memory/372-176-0x00000000074A0000-0x00000000074B1000-memory.dmp

Filesize
68KB

Download
memory/372-177-0x0000000005790000-0x00000000057A4000-memory.dmp

Filesize
80KB

Download
memory/1364-148-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/1364-130-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/1364-67-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/1364-95-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/1608-58-0x0000000007990000-0x00000000079A4000-memory.dmp

Filesize
80KB

Download
memory/1608-54-0x00000000078B0000-0x0000000007946000-memory.dmp

Filesize
600KB

Download
memory/1608-30-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/1608-31-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1608-32-0x00000000074C0000-0x0000000007536000-memory.dmp

Filesize
472KB

Download
memory/1608-33-0x0000000007BC0000-0x000000000823A000-memory.dmp

Filesize
6.5MB

Download
memory/1608-34-0x0000000007470000-0x000000000748A000-memory.dmp

Filesize
104KB

Download
memory/1608-36-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1608-4-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/1608-37-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1608-39-0x00000000705A0000-0x00000000705EC000-memory.dmp

Filesize
304KB

Download
memory/1608-50-0x0000000007690000-0x00000000076AE000-memory.dmp

Filesize
120KB

Download
memory/1608-51-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1608-40-0x0000000070CE0000-0x0000000071034000-memory.dmp

Filesize
3.3MB

Download
memory/1608-38-0x00000000076B0000-0x00000000076E2000-memory.dmp

Filesize
200KB

Download
memory/1608-52-0x00000000076F0000-0x0000000007793000-memory.dmp

Filesize
652KB

Download
memory/1608-53-0x0000000007800000-0x000000000780A000-memory.dmp

Filesize
40KB

Download
memory/1608-27-0x0000000006110000-0x000000000612E000-memory.dmp

Filesize
120KB

Download
memory/1608-55-0x0000000007290000-0x00000000072A1000-memory.dmp

Filesize
68KB

Download
memory/1608-57-0x00000000078A0000-0x00000000078AE000-memory.dmp

Filesize
56KB

Download
memory/1608-5-0x0000000004B40000-0x0000000004B76000-memory.dmp

Filesize
216KB

Download
memory/1608-6-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1608-59-0x00000000079D0000-0x00000000079EA000-memory.dmp

Filesize
104KB

Download
memory/1608-60-0x00000000079C0000-0x00000000079C8000-memory.dmp

Filesize
32KB

Download
memory/1608-63-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1608-8-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1608-9-0x0000000005270000-0x0000000005898000-memory.dmp

Filesize
6.2MB

Download
memory/1608-28-0x00000000061E0000-0x000000000622C000-memory.dmp

Filesize
304KB

Download
memory/1608-11-0x0000000005040000-0x0000000005062000-memory.dmp

Filesize
136KB

Download
memory/1608-29-0x0000000006760000-0x00000000067A4000-memory.dmp

Filesize
272KB

Download
memory/1608-14-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/1608-15-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/1608-21-0x0000000005B30000-0x0000000005E84000-memory.dmp

Filesize
3.3MB

Download
memory/1884-108-0x00000000706A0000-0x00000000706EC000-memory.dmp

Filesize
304KB

Download
memory/1884-109-0x0000000070E60000-0x00000000711B4000-memory.dmp

Filesize
3.3MB

Download
memory/1884-102-0x0000000005BA0000-0x0000000005EF4000-memory.dmp

Filesize
3.3MB

Download
memory/2436-131-0x00000000706A0000-0x00000000706EC000-memory.dmp

Filesize
304KB

Download
memory/2436-132-0x0000000070E60000-0x00000000711B4000-memory.dmp

Filesize
3.3MB

Download
memory/3208-151-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/3696-1-0x0000000004880000-0x0000000004C7F000-memory.dmp

Filesize
4.0MB

Download
memory/3696-22-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3696-2-0x0000000004C80000-0x000000000556B000-memory.dmp

Filesize
8.9MB

Download
memory/3696-3-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3696-35-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/3696-56-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/3696-13-0x0000000004C80000-0x000000000556B000-memory.dmp

Filesize
8.9MB

Download
memory/3696-7-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/3696-66-0x0000000000400000-0x0000000000D1C000-memory.dmp

Filesize
9.1MB

Download
memory/3696-10-0x0000000004880000-0x0000000004C7F000-memory.dmp

Filesize
4.0MB

Download
memory/3696-65-0x0000000000400000-0x0000000002B0D000-memory.dmp

Filesize
39.1MB

Download
memory/4524-189-0x0000000006560000-0x00000000065AC000-memory.dmp

Filesize
304KB

Download
memory/4572-92-0x0000000007810000-0x0000000007824000-memory.dmp

Filesize
80KB

Download
memory/4572-77-0x0000000005E10000-0x0000000006164000-memory.dmp

Filesize
3.3MB

Download
memory/4572-90-0x0000000007490000-0x0000000007533000-memory.dmp

Filesize
652KB

Download
memory/4572-91-0x00000000077A0000-0x00000000077B1000-memory.dmp

Filesize
68KB

Download
memory/4572-78-0x0000000006690000-0x00000000066DC000-memory.dmp

Filesize
304KB

Download
memory/4572-80-0x0000000070820000-0x0000000070B74000-memory.dmp

Filesize
3.3MB

Download
memory/4572-79-0x00000000706A0000-0x00000000706EC000-memory.dmp

Filesize
304KB

Download