redline | 4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714

General

Target

4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe
Size

3.1MB
MD5

45df874c8aa701dfc44c8a34b6737dcb
SHA1

b70957a4998ed699e3417f49478c6f185b2dc5b7
SHA256

4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714
SHA512

469e4c4a943895c1484be13f258db9599af9c4703f9310bcb5f96eeff054460b11fca0f296d8910e93c2fb5839ee10903fa6a76a887893767de4d6328cfd9efb

Score

10^/10

redline evasion infostealer themida trojan

Malware Config

Signatures

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

RedLine Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3708-135-0x0000000000C00000-0x0000000001510000-memory.dmp	family_redline

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral2/memory/3708-135-0x0000000000C00000-0x0000000001510000-memory.dmp	net_reactor

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3708-135-0x0000000000C00000-0x0000000001510000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe

pid process

3708 4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 51 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132895824013588122"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4116"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.038685"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4188"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4316"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.274295"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4168"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe

pid	process
3708	4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe
3708	4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe
Token: SeRestorePrivilege	2612	TiWorker.exe
Token: SeSecurityPrivilege	2612	TiWorker.exe
Token: SeBackupPrivilege	2612	TiWorker.exe

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2900

C:\Users\Admin\AppData\Local\Temp\4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe
"C:\Users\Admin\AppData\Local\Temp\4b7b9c0cd9f72c551d60e29f34b2f9d98274866c2118d228b7919e2aad71c714.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3708

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3352

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2612

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3708-130-0x0000000075C80000-0x0000000075C81000-memory.dmp

Filesize
4KB

Download
memory/3708-133-0x0000000077054000-0x0000000077056000-memory.dmp

Filesize
8KB

Download
memory/3708-134-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/3708-135-0x0000000000C00000-0x0000000001510000-memory.dmp

Filesize
9.1MB

Download
memory/3708-136-0x0000000005F90000-0x00000000065A8000-memory.dmp

Filesize
6.1MB

Download
memory/3708-137-0x00000000057E0000-0x00000000057F2000-memory.dmp

Filesize
72KB

Download
memory/3708-138-0x0000000005970000-0x0000000005A7A000-memory.dmp

Filesize
1.0MB

Download
memory/3708-139-0x0000000005960000-0x0000000005961000-memory.dmp

Filesize
4KB

Download
memory/3708-140-0x0000000005840000-0x000000000587C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads