redline | a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765

General

Target

a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe
Size

2.7MB
MD5

1f741f13cae5d0c5ec4fab8af6260469
SHA1

40b31ccc9925f731dce9d056c3b18c933c3ec3ce
SHA256

a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765
SHA512

a4d04939e1c8f059cf4a6c5c0e10368971afde0ef9f66e9aa2deedecb44e859c2e60888a1d9fb8788d92a256eeb100e24e8a310053eb10334e27cc31093cff30

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/3368-135-0x0000000000770000-0x0000000000EB0000-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:

a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3368-135-0x0000000000770000-0x0000000000EB0000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe

pid process

3368 a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe

Drops file in Windows directory 8 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\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe

pid	process
3368	a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe
3368	a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	912	svchost.exe
Token: SeCreatePagefilePrivilege	912	svchost.exe
Token: SeShutdownPrivilege	912	svchost.exe
Token: SeCreatePagefilePrivilege	912	svchost.exe
Token: SeShutdownPrivilege	912	svchost.exe
Token: SeCreatePagefilePrivilege	912	svchost.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe
Token: SeRestorePrivilege	4616	TiWorker.exe
Token: SeSecurityPrivilege	4616	TiWorker.exe
Token: SeBackupPrivilege	4616	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe
"C:\Users\Admin\AppData\Local\Temp\a4c03f5f258cf063a9bac6b62c8db575abfbd06ffe264bc3a62c01e0c511b765.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3368

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:912

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:4616

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

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/912-141-0x00000229C8760000-0x00000229C8770000-memory.dmp

Filesize
64KB

Download
memory/912-142-0x00000229C8D20000-0x00000229C8D30000-memory.dmp

Filesize
64KB

Download
memory/912-143-0x00000229CB3A0000-0x00000229CB3A4000-memory.dmp

Filesize
16KB

Download
memory/3368-132-0x0000000075F30000-0x0000000075F31000-memory.dmp

Filesize
4KB

Download
memory/3368-133-0x00000000778C4000-0x00000000778C6000-memory.dmp

Filesize
8KB

Download
memory/3368-134-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/3368-135-0x0000000000770000-0x0000000000EB0000-memory.dmp

Filesize
7.2MB

Download
memory/3368-136-0x0000000006170000-0x0000000006788000-memory.dmp

Filesize
6.1MB

Download
memory/3368-137-0x0000000005A20000-0x0000000005A32000-memory.dmp

Filesize
72KB

Download
memory/3368-138-0x0000000005C60000-0x0000000005D6A000-memory.dmp

Filesize
1.0MB

Download
memory/3368-139-0x0000000005A80000-0x0000000005ABC000-memory.dmp

Filesize
240KB

Download
memory/3368-140-0x0000000005B40000-0x0000000005B41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads