redline | ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30

General

Target

ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe
Size

2.9MB
MD5

2b1342a3f2c7714fea6c43b4ab8a0b20
SHA1

03b5bbb8ba10e161cfbb8d5621f400440d819fb5
SHA256

ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30
SHA512

74ac8ae814cbb55d4e7c8951b3928e347146d600f25463b0722f96d6424d03c7ae3ebe2eb09e17e64df031874ba545e58e352afd80cf93f6e62eda7332ca3198

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/3840-136-0x0000000000530000-0x0000000000CC0000-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:

ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3840-136-0x0000000000530000-0x0000000000CC0000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe

pid process

3840 ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.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 51 IoCs

Processes:

svchost.exe

description	ioc	process
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\BkDownloadRatePct = "45"	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\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.333176"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3956"	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\DownloadMonthlyRateFrCnt = "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\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 (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\LANConnectionCount = "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\MemoryUsageKB = "4368"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	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\DownloadMonthlyCacheHostBytes = "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\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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.651198"	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\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\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4152"	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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "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\Config	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\UploadMonthlyLanBytes = "0"	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 = "132895591664808711"	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\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006605"	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\DownloadMonthlyCdnBytes = "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\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe

pid	process
3840	ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe
3840	ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe
Token: SeRestorePrivilege	4068	TiWorker.exe
Token: SeSecurityPrivilege	4068	TiWorker.exe
Token: SeBackupPrivilege	4068	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe
"C:\Users\Admin\AppData\Local\Temp\ac22f1cf0946c8da0459ebf7cf0a9ab372c83a212426e819f85cb04c93439b30.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3840

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2612

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:224

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:4068

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3840-130-0x0000000076D20000-0x0000000076D21000-memory.dmp

Filesize
4KB

Download
memory/3840-132-0x00000000778A4000-0x00000000778A6000-memory.dmp

Filesize
8KB

Download
memory/3840-131-0x0000000076D20000-0x0000000076D21000-memory.dmp

Filesize
4KB

Download
memory/3840-135-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

Filesize
4KB

Download
memory/3840-136-0x0000000000530000-0x0000000000CC0000-memory.dmp

Filesize
7.6MB

Download
memory/3840-137-0x00000000062B0000-0x00000000068C8000-memory.dmp

Filesize
6.1MB

Download
memory/3840-138-0x0000000005CF0000-0x0000000005D02000-memory.dmp

Filesize
72KB

Download
memory/3840-139-0x0000000005E20000-0x0000000005F2A000-memory.dmp

Filesize
1.0MB

Download
memory/3840-140-0x0000000005B80000-0x0000000005B81000-memory.dmp

Filesize
4KB

Download
memory/3840-141-0x00000000013B0000-0x00000000013EC000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads