redline | acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c

General

Target

acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe
Size

3.4MB
MD5

5696457aedcbad574a0081e1b4c8b9a5
SHA1

d8d3878dbbd91af8527ef7437ad2774708871700
SHA256

acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c
SHA512

a6e109d69ba28d12b5ef01ce9f4bf8c39add5de272e1e4db49a8935a93e7f49542a3950d1de5c7ccf8f7c5c61d5fc5b8233fa0ced6dd5258fcfb13608252d694

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/1948-137-0x0000000000490000-0x0000000000CE0000-memory.dmp	family_redline

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:

acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1948-137-0x0000000000490000-0x0000000000CE0000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe

pid process

1948 acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.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 50 IoCs

Processes:

svchost.exe

description	ioc	process
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\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.250047"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4124"	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\DownlinkBps = "0"	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\FrDownloadRatePct = "90"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.763293"	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\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	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\SwarmCount = "1"	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\NormalDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	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\GroupConnectionCount = "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\DownlinkUsageBps = "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\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	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\CDNConnectionCount = "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\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4336"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.498780"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320"	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\DownloadMonthlyInternetBytes = "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\PeerInfoCount = "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\MonthlyUploadRestriction = "0"	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\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132895590900402797"	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe

pid	process
1948	acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe
1948	acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe
Token: SeRestorePrivilege	1212	TiWorker.exe
Token: SeSecurityPrivilege	1212	TiWorker.exe
Token: SeBackupPrivilege	1212	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe
"C:\Users\Admin\AppData\Local\Temp\acd31a76630305890772d4b1b57ef990df6bdf1a67193859d47cfa3b43cf312c.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1948

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2444

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:2808

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:1212

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/1948-130-0x0000000075C80000-0x0000000075C81000-memory.dmp

Filesize
4KB

Download
memory/1948-131-0x0000000075C80000-0x0000000075C81000-memory.dmp

Filesize
4KB

Download
memory/1948-135-0x0000000077054000-0x0000000077056000-memory.dmp

Filesize
8KB

Download
memory/1948-136-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/1948-137-0x0000000000490000-0x0000000000CE0000-memory.dmp

Filesize
8.3MB

Download
memory/1948-138-0x0000000006000000-0x0000000006618000-memory.dmp

Filesize
6.1MB

Download
memory/1948-139-0x0000000005AA0000-0x0000000005AB2000-memory.dmp

Filesize
72KB

Download
memory/1948-140-0x0000000005BD0000-0x0000000005CDA000-memory.dmp

Filesize
1.0MB

Download
memory/1948-141-0x0000000003050000-0x0000000003051000-memory.dmp

Filesize
4KB

Download
memory/1948-142-0x0000000001330000-0x000000000136C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads