redline | c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4

General

Target

c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe
Size

2.7MB
MD5

9432fb0ec80d3678fc29e8ee0081990b
SHA1

2062dbd21ec6245f4ed0e804119848aa60ae9b15
SHA256

c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4
SHA512

9df0c7af361aa7e476a8f9a46619d3f1ee02214aeb11062621b135ae3d6960192811f64c08023fe22391f5d6e16d0f3b1b40d2ace7041237e41bfaaf2c81d2ff

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/2692-136-0x0000000000050000-0x0000000000728000-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:

c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2692-136-0x0000000000050000-0x0000000000728000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe

pid process

2692 c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe

Drops file in Windows directory 2 IoCs

Processes:

TiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	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 46 IoCs

Processes:

svchost.exe

description	ioc	process
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\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	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\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\DownloadMonthlyRateFrCnt = "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 = "4112"	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\UploadMonthlyInternetBytes = "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\BkDownloadRatePct = "45"	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\Config\DODownloadMode = "1"	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\UploadCount = "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\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "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\PeerInfoCount = "0"	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\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.136986"	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\Config\DownloadMode_BackCompat = "1"	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\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4140"	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 (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\GroupConnectionCount = "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\MonthlyUploadRestriction = "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\DownloadMonthlyCdnBytes = "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 (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\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "3.845671"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe

pid	process
2692	c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe
2692	c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe
Token: SeRestorePrivilege	2184	TiWorker.exe
Token: SeSecurityPrivilege	2184	TiWorker.exe
Token: SeBackupPrivilege	2184	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe
"C:\Users\Admin\AppData\Local\Temp\c9d1d5cc2feec3573545dceb82e4147ea0d88459caf07d5df8aff2cf76d5e1f4.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2692

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3880

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Modifies data under HKEY_USERS
PID:812

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:2184

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/2692-130-0x0000000076B80000-0x0000000076B81000-memory.dmp

Filesize
4KB

Download
memory/2692-134-0x0000000077B94000-0x0000000077B96000-memory.dmp

Filesize
8KB

Download
memory/2692-135-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/2692-136-0x0000000000050000-0x0000000000728000-memory.dmp

Filesize
6.8MB

Download
memory/2692-137-0x0000000006370000-0x0000000006988000-memory.dmp

Filesize
6.1MB

Download
memory/2692-138-0x0000000005C30000-0x0000000005C42000-memory.dmp

Filesize
72KB

Download
memory/2692-139-0x0000000005E60000-0x0000000005F6A000-memory.dmp

Filesize
1.0MB

Download
memory/2692-140-0x0000000005D40000-0x0000000005D41000-memory.dmp

Filesize
4KB

Download
memory/2692-141-0x0000000005C90000-0x0000000005CCC000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads