glupteba | 3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b

Analysis

max time kernel
43s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 22:23

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General

Target

3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Size

4.2MB
MD5

c4b34d34991e2879f161061bbe4962c2
SHA1

42f1ba9369995c8b441c9185edb13e226460112a
SHA256

3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b
SHA512

20c992e09ad3e1c5c580abb70e446bb5b3aa73038636bbe73108cce2f3648dd447324a3b9af55abc2ceb712d5f5f95aa9a930b0e50eae5bba83714a4a77fb0b0
SSDEEP

98304:8YA+sCQK+ujRw58isA2kYG37OM/8+ul7V2J3AtZ+nc7sq/:ZHsCQKNHiXHPrM7htZ1/

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 20 IoCs

resource	yara_rule
behavioral2/memory/4656-2-0x0000000004D10000-0x00000000055FB000-memory.dmp	family_glupteba
behavioral2/memory/4656-3-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/4656-24-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/4656-27-0x0000000004D10000-0x00000000055FB000-memory.dmp	family_glupteba
behavioral2/memory/4656-32-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/4656-60-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/436-62-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/436-94-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/436-122-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/436-155-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-234-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-256-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-258-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-260-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-262-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-264-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-266-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-268-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-270-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba
behavioral2/memory/764-272-0x0000000000400000-0x0000000002985000-memory.dmp	family_glupteba

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
2672	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
764	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-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.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	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
File created	C:\Windows\rss\csrss.exe	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
3788	schtasks.exe
2288	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time"	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3332	powershell.exe
3332	powershell.exe
4656	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
4656	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
2932	powershell.exe
2932	powershell.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
2508	powershell.exe
2508	powershell.exe
1096	powershell.exe
1096	powershell.exe
4584	powershell.exe
4584	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	powershell.exe
Token: SeDebugPrivilege	4656	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Token: SeImpersonatePrivilege	4656	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
Token: SeDebugPrivilege	2932	powershell.exe
Token: SeDebugPrivilege	2508	powershell.exe
Token: SeDebugPrivilege	1096	powershell.exe
Token: SeDebugPrivilege	4584	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 3332	4656	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	87
PID 4656 wrote to memory of 3332	4656	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	87
PID 4656 wrote to memory of 3332	4656	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	87
PID 436 wrote to memory of 2932	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	98
PID 436 wrote to memory of 2932	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	98
PID 436 wrote to memory of 2932	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	98
PID 436 wrote to memory of 3056	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	100
PID 436 wrote to memory of 3056	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	100
PID 3056 wrote to memory of 2672	3056	cmd.exe	102
PID 3056 wrote to memory of 2672	3056	cmd.exe	102
PID 436 wrote to memory of 2508	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	104
PID 436 wrote to memory of 2508	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	104
PID 436 wrote to memory of 2508	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	104
PID 436 wrote to memory of 1096	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	107
PID 436 wrote to memory of 1096	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	107
PID 436 wrote to memory of 1096	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	107
PID 436 wrote to memory of 764	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	108
PID 436 wrote to memory of 764	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	108
PID 436 wrote to memory of 764	436	3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe	108
PID 764 wrote to memory of 4584	764	csrss.exe	109
PID 764 wrote to memory of 4584	764	csrss.exe	109
PID 764 wrote to memory of 4584	764	csrss.exe	109

C:\Users\Admin\AppData\Local\Temp\3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
"C:\Users\Admin\AppData\Local\Temp\3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3332
- C:\Users\Admin\AppData\Local\Temp\3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.exe
  "C:\Users\Admin\AppData\Local\Temp\3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b.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:436
- - 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:2932
- - 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:3056
  - - 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:2672
- - 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:2508
- - 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:1096
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:764
  - - 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:4584
  - - 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:3788
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3732
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:976
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:4828
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      PID:1976
  - - 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:2288

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

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_34sk2xgj.ilj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

Download Submit
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

Filesize
281KB

MD5
d98e33b66343e7c96158444127a117f6

SHA1
bb716c5509a2bf345c6c1152f6e3e1452d39d50d

SHA256
5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

SHA512
705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

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
1966d3e6af15654da4b831f1bef7718e

SHA1
d4290b9c3ffdac2ad49ba1f015327408f17ee3a7

SHA256
958c075c68af964a0c7be93133c94b2fd56c2eba042b159cd3693c1919be269d

SHA512
d60c61cc74265235c71c50e5f8d4f857735d8c10b3772f9f626a331cc9b81e253055a16872498fb105966483628c46aa8fa400ed8459f70d815ab470b2074498

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

Filesize
19KB

MD5
b7795ef1c5eea2a59a76253b5bd2f8cf

SHA1
bf0d0f9463169d40f73947fcfe30ce0f1560da7c

SHA256
9eab6b361edb65fa92101673307968798b4327cd6d6cde10e8039c63307d109c

SHA512
81b699bf7387ead73ba6d9a6791674763d5f01c557a73873db60fc11b0d163b3bd593babc113b11010243e0f87b2e3856b520c3232f89f26d100620d6910784a

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

Filesize
19KB

MD5
6de37bc72e5dc0aa33a02e86ae2ac9f9

SHA1
e2b37f6982f9b6db8173897c33f4b131cfba4394

SHA256
43c57c70d1295453c530f5c3bc91c5fd274dd1e9ff0019a14d8485dce34f89d5

SHA512
e706c6f73493a44e462cdf96b4b1e99227a615840b11ade2c4c51dc14f61a2eaa08ea1367972b790c303b56dc2686db5c6786597e1664a4b184dc86f4b3914a0

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

Filesize
19KB

MD5
446558a5de966f179d930b9bcdf307bb

SHA1
b0f5842cb2e659fb89e1c458e0b16ee87f670fb4

SHA256
343a74be955dad10ad5ef1ff39c1ea3c0972ec4142ecf0f4ee9a5135499e8ea3

SHA512
979cd4f00a960869df60bf137982036c96474640a259bf16530ca4a1d7033edd41fe3791c161d82e2e83b5a57fa58e481bf4426f39e2bd0008991df312bd3018

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

Filesize
19KB

MD5
c74b7a5ccf0e750af85e0b8ab710fc6a

SHA1
9a252f6a34f5864ad2d46cd9a66956d835281174

SHA256
bbe05b1d7f4a5dd1a2b9394e4cc7c378f8c9e8bd4c28ff2f9c51af441473dcce

SHA512
86d1b58561bcc6cf7ac1f34976d8ae36c18a1bb4f1a135911571a5064341cba43ee78bb46f775b556f3d84dbfeeba71a8a4b832bb476dec3c73776291cc5c313

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

Filesize
4.2MB

MD5
c4b34d34991e2879f161061bbe4962c2

SHA1
42f1ba9369995c8b441c9185edb13e226460112a

SHA256
3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b

SHA512
20c992e09ad3e1c5c580abb70e446bb5b3aa73038636bbe73108cce2f3648dd447324a3b9af55abc2ceb712d5f5f95aa9a930b0e50eae5bba83714a4a77fb0b0

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

Filesize
4.2MB

MD5
c4b34d34991e2879f161061bbe4962c2

SHA1
42f1ba9369995c8b441c9185edb13e226460112a

SHA256
3c409910577a20c070ef667f147abee378e425d808d8765e912b0bc41ceb907b

SHA512
20c992e09ad3e1c5c580abb70e446bb5b3aa73038636bbe73108cce2f3648dd447324a3b9af55abc2ceb712d5f5f95aa9a930b0e50eae5bba83714a4a77fb0b0

Download Submit
memory/436-109-0x0000000004870000-0x0000000004C6D000-memory.dmp

Filesize
4.0MB

Download
memory/436-122-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/436-61-0x0000000004870000-0x0000000004C6D000-memory.dmp

Filesize
4.0MB

Download
memory/436-94-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/436-62-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/436-155-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-258-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-264-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-256-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-260-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-274-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-272-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-262-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-270-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-268-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-266-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/764-234-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/1096-126-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1096-125-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/1096-127-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1096-138-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/1096-139-0x00000000704C0000-0x000000007050C000-memory.dmp

Filesize
304KB

Download
memory/2508-124-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/2508-112-0x0000000070C60000-0x0000000070FB4000-memory.dmp

Filesize
3.3MB

Download
memory/2508-111-0x00000000704C0000-0x000000007050C000-memory.dmp

Filesize
304KB

Download
memory/2508-97-0x0000000004970000-0x0000000004980000-memory.dmp

Filesize
64KB

Download
memory/2508-98-0x0000000004970000-0x0000000004980000-memory.dmp

Filesize
64KB

Download
memory/2508-96-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/2932-64-0x0000000002B00000-0x0000000002B10000-memory.dmp

Filesize
64KB

Download
memory/2932-88-0x0000000007380000-0x0000000007423000-memory.dmp

Filesize
652KB

Download
memory/2932-93-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/2932-90-0x00000000076E0000-0x00000000076F4000-memory.dmp

Filesize
80KB

Download
memory/2932-63-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/2932-89-0x0000000007670000-0x0000000007681000-memory.dmp

Filesize
68KB

Download
memory/2932-71-0x0000000005B10000-0x0000000005E64000-memory.dmp

Filesize
3.3MB

Download
memory/2932-65-0x0000000002B00000-0x0000000002B10000-memory.dmp

Filesize
64KB

Download
memory/2932-76-0x0000000002B00000-0x0000000002B10000-memory.dmp

Filesize
64KB

Download
memory/2932-77-0x00000000704C0000-0x000000007050C000-memory.dmp

Filesize
304KB

Download
memory/2932-78-0x0000000070C60000-0x0000000070FB4000-memory.dmp

Filesize
3.3MB

Download
memory/3332-36-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-31-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

Filesize
104KB

Download
memory/3332-56-0x0000000007F80000-0x0000000007F88000-memory.dmp

Filesize
32KB

Download
memory/3332-58-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-55-0x0000000007F90000-0x0000000007FAA000-memory.dmp

Filesize
104KB

Download
memory/3332-54-0x0000000007F40000-0x0000000007F54000-memory.dmp

Filesize
80KB

Download
memory/3332-53-0x0000000007F20000-0x0000000007F2E000-memory.dmp

Filesize
56KB

Download
memory/3332-52-0x0000000007EE0000-0x0000000007EF1000-memory.dmp

Filesize
68KB

Download
memory/3332-51-0x0000000003280000-0x0000000003290000-memory.dmp

Filesize
64KB

Download
memory/3332-50-0x0000000007FE0000-0x0000000008076000-memory.dmp

Filesize
600KB

Download
memory/3332-49-0x0000000007ED0000-0x0000000007EDA000-memory.dmp

Filesize
40KB

Download
memory/3332-48-0x0000000007DE0000-0x0000000007E83000-memory.dmp

Filesize
652KB

Download
memory/3332-47-0x0000000007D80000-0x0000000007D9E000-memory.dmp

Filesize
120KB

Download
memory/3332-37-0x0000000070640000-0x0000000070994000-memory.dmp

Filesize
3.3MB

Download
memory/3332-4-0x0000000003220000-0x0000000003256000-memory.dmp

Filesize
216KB

Download
memory/3332-35-0x00000000704C0000-0x000000007050C000-memory.dmp

Filesize
304KB

Download
memory/3332-33-0x000000007FC10000-0x000000007FC20000-memory.dmp

Filesize
64KB

Download
memory/3332-34-0x0000000007DA0000-0x0000000007DD2000-memory.dmp

Filesize
200KB

Download
memory/3332-5-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-6-0x0000000003280000-0x0000000003290000-memory.dmp

Filesize
64KB

Download
memory/3332-30-0x0000000008240000-0x00000000088BA000-memory.dmp

Filesize
6.5MB

Download
memory/3332-29-0x0000000007B40000-0x0000000007BB6000-memory.dmp

Filesize
472KB

Download
memory/3332-28-0x0000000003280000-0x0000000003290000-memory.dmp

Filesize
64KB

Download
memory/3332-7-0x0000000003280000-0x0000000003290000-memory.dmp

Filesize
64KB

Download
memory/3332-26-0x0000000006DA0000-0x0000000006DE4000-memory.dmp

Filesize
272KB

Download
memory/3332-8-0x00000000059F0000-0x0000000006018000-memory.dmp

Filesize
6.2MB

Download
memory/3332-9-0x0000000005830000-0x0000000005852000-memory.dmp

Filesize
136KB

Download
memory/3332-23-0x0000000006870000-0x00000000068BC000-memory.dmp

Filesize
304KB

Download
memory/3332-22-0x0000000006820000-0x000000000683E000-memory.dmp

Filesize
120KB

Download
memory/3332-21-0x0000000006260000-0x00000000065B4000-memory.dmp

Filesize
3.3MB

Download
memory/3332-11-0x00000000061F0000-0x0000000006256000-memory.dmp

Filesize
408KB

Download
memory/3332-10-0x0000000006110000-0x0000000006176000-memory.dmp

Filesize
408KB

Download
memory/4656-24-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/4656-25-0x0000000004910000-0x0000000004D0E000-memory.dmp

Filesize
4.0MB

Download
memory/4656-27-0x0000000004D10000-0x00000000055FB000-memory.dmp

Filesize
8.9MB

Download
memory/4656-1-0x0000000004910000-0x0000000004D0E000-memory.dmp

Filesize
4.0MB

Download
memory/4656-32-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/4656-60-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/4656-3-0x0000000000400000-0x0000000002985000-memory.dmp

Filesize
37.5MB

Download
memory/4656-2-0x0000000004D10000-0x00000000055FB000-memory.dmp

Filesize
8.9MB

Download