glupteba | e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd

Analysis

max time kernel
50s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 16:28

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General

Target
e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Size 4.1MB
Sample240424-tyl4jadb97
SHA256 e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd
MD5 5e688a1451f25ba0a51981ba7eb4caa7
SHA1 c5e866241503cc978cd4317891cf835518377026
SHA512 28cd9e3f9a106ef35025f5314f6aa703b49e034505bf1253e23a240b19bb65240a8cdc46cc9ffc41f667060395a405f8f469c3eba1772b3eb9557119ff5986cc
SSDEEP 98304:NFddrpuoRE7tl1yJ8vae/QmLpm2XHwIZYQzHZc5g5rp30lCUm:3LdBQ1yJ8Sedm2XHUQNc5Xg/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba dropper evasion loader persistence upx

Malware Config

Signatures

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

Glupteba payload 13 IoCs

resource	yara_rule
behavioral1/memory/4160-2-0x0000000006570000-0x0000000006E5B000-memory.dmp	family_glupteba
behavioral1/memory/4160-21-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/4160-47-0x0000000006570000-0x0000000006E5B000-memory.dmp	family_glupteba
behavioral1/memory/4160-49-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/4160-57-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/4208-106-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/4208-151-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/3484-233-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/3484-253-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/3484-262-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/3484-264-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/3484-266-0x0000000000400000-0x0000000004416000-memory.dmp	family_glupteba
behavioral1/memory/3484-268-0x0000000000400000-0x0000000004416000-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
3572	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3484	csrss.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x00020000000219e9-256.dat	upx
behavioral1/memory/3800-261-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/1736-263-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral1/memory/1736-267-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

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\""	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.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	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\rss\csrss.exe	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
File opened for modification	C:\Windows\rss	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1772	sc.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
2432	schtasks.exe
1852	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,-1472 = "Magadan Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.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,-2042 = "Eastern Standard Time (Mexico)"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	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,-2142 = "Transbaikal Standard Time"	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4164	powershell.exe
4164	powershell.exe
4160	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4160	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
2584	powershell.exe
2584	powershell.exe
2584	powershell.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
5096	powershell.exe
5096	powershell.exe
5096	powershell.exe
3292	powershell.exe
3292	powershell.exe
3292	powershell.exe
1748	powershell.exe
1748	powershell.exe
1748	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	powershell.exe
Token: SeDebugPrivilege	4160	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Token: SeImpersonatePrivilege	4160	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
Token: SeDebugPrivilege	2584	powershell.exe
Token: SeDebugPrivilege	5096	powershell.exe
Token: SeDebugPrivilege	3292	powershell.exe
Token: SeDebugPrivilege	1748	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 4164	4160	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	95
PID 4160 wrote to memory of 4164	4160	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	95
PID 4160 wrote to memory of 4164	4160	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	95
PID 4208 wrote to memory of 2584	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	103
PID 4208 wrote to memory of 2584	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	103
PID 4208 wrote to memory of 2584	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	103
PID 4208 wrote to memory of 4184	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	108
PID 4208 wrote to memory of 4184	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	108
PID 4184 wrote to memory of 3572	4184	cmd.exe	110
PID 4184 wrote to memory of 3572	4184	cmd.exe	110
PID 4208 wrote to memory of 5096	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	111
PID 4208 wrote to memory of 5096	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	111
PID 4208 wrote to memory of 5096	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	111
PID 4208 wrote to memory of 3292	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	113
PID 4208 wrote to memory of 3292	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	113
PID 4208 wrote to memory of 3292	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	113
PID 4208 wrote to memory of 3484	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	115
PID 4208 wrote to memory of 3484	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	115
PID 4208 wrote to memory of 3484	4208	e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe	115
PID 3484 wrote to memory of 1748	3484	csrss.exe	116
PID 3484 wrote to memory of 1748	3484	csrss.exe	116
PID 3484 wrote to memory of 1748	3484	csrss.exe	116

C:\Users\Admin\AppData\Local\Temp\e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
"C:\Users\Admin\AppData\Local\Temp\e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4164
- C:\Users\Admin\AppData\Local\Temp\e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.exe
  "C:\Users\Admin\AppData\Local\Temp\e0b887b39988c469ab7c9171d24d84e25e33759659b5365941f4cf05c6e737dd.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:4208
- - 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:2584
- - 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:4184
  - - 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:3572
- - 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:5096
- - 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:3292
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3484
  - - 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:1748
  - - 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:2432
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:4164
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:1684
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:316
  - - 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:3528
  - - 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:1852
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      PID:3800
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        5⤵
        
        PID:3288
      - C:\Windows\SysWOW64\sc.exe
        
        sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        6⤵
        Launches sc.exe
        
        PID:1772

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=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:3852

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
PID:1736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_4jjtnx01.oxh.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4jjtnx01.oxh.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
MD5 968cb9309758126772781b83adb8a28f
SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
MD5 SHA1 SHA512

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