redline | f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc

General

Target

f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe
Size

2.8MB
MD5

f3b1796bc60de9fe31bd2ecc365f74e1
SHA1

1a95217a3d5f90f537874f9c75724037e1bdae26
SHA256

f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc
SHA512

2e04a77e18e5b6b599117c673f64bd8c9a610be11411614198970368697d8496c1bc428655b1fc7e91cc68e6d9f0f71b160e5c974da348677d2687240231d4e0

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/3308-136-0x0000000000CC0000-0x00000000013D8000-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:

f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3308-136-0x0000000000CC0000-0x00000000013D8000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe

pid process

3308 f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
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 45 IoCs

Processes:

svchost.exe

description	ioc	process
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\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\DownloadMonthlyGroupBytes = "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\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\NormalDownloadPendingCount = "0"	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\InternetConnectionCount = "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\MemoryUsageKB = "4192"	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\DownloadMonthlyLanBytes = "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\DownloadMonthlyRateFrBps = "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\BkDownloadRatePct = "45"	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\DownloadMonthlyInternetBytes = "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\Usage\LANConnectionCount = "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\MonthlyUploadRestriction = "0"	svchost.exe
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\DownloadMonthlyCacheHostBytes = "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\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\MemoryUsageKB = "4260"	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\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.253214"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "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\Config\DownloadMode_BackCompat = "1"	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\FrDownloadRatePct = "90"	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\LinkLocalConnectionCount = "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\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe

pid	process
3308	f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe
3308	f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe
Token: SeRestorePrivilege	2608	TiWorker.exe
Token: SeSecurityPrivilege	2608	TiWorker.exe
Token: SeBackupPrivilege	2608	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe
"C:\Users\Admin\AppData\Local\Temp\f7521eec1c0dd8ba2c4d344c3befe56fab15f8dd3d712b473d6a6efa631753dc.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3308

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2992

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:3948

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:2608

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/3308-130-0x0000000076B90000-0x0000000076B91000-memory.dmp

Filesize
4KB

Download
memory/3308-131-0x00000000775B4000-0x00000000775B6000-memory.dmp

Filesize
8KB

Download
memory/3308-135-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/3308-136-0x0000000000CC0000-0x00000000013D8000-memory.dmp

Filesize
7.1MB

Download
memory/3308-137-0x0000000005CB0000-0x00000000062C8000-memory.dmp

Filesize
6.1MB

Download
memory/3308-138-0x00000000056F0000-0x0000000005702000-memory.dmp

Filesize
72KB

Download
memory/3308-139-0x0000000005820000-0x000000000592A000-memory.dmp

Filesize
1.0MB

Download
memory/3308-140-0x00000000034D0000-0x00000000034D1000-memory.dmp

Filesize
4KB

Download
memory/3308-141-0x0000000005750000-0x000000000578C000-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