redline | 8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3

General

Target

8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe
Size

2.8MB
MD5

99a9e989639c1beb67f452a70a3ebef4
SHA1

a8b86ed82867c5b4d38e4bb419d614af65803eb4
SHA256

8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3
SHA512

324bfca66d04ba8c5af8dd6bb405efe15148c7567036de9beb384c9a7460b317ac4d7b3fe2483f00e6df198985c5ec44e5981fefc689aadbc4da0fa017dfd133

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/2772-134-0x0000000000880000-0x0000000000FC8000-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:

8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2772-134-0x0000000000880000-0x0000000000FC8000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe

pid process

2772 8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.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:

8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe

pid	process
2772	8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe
2772	8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	948	svchost.exe
Token: SeCreatePagefilePrivilege	948	svchost.exe
Token: SeShutdownPrivilege	948	svchost.exe
Token: SeCreatePagefilePrivilege	948	svchost.exe
Token: SeShutdownPrivilege	948	svchost.exe
Token: SeCreatePagefilePrivilege	948	svchost.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe
Token: SeRestorePrivilege	2704	TiWorker.exe
Token: SeSecurityPrivilege	2704	TiWorker.exe
Token: SeBackupPrivilege	2704	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe
"C:\Users\Admin\AppData\Local\Temp\8ef9d91092116117714033f25ca136675794e2e4a34d50ec5f3b7016fb7600d3.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2772

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:948

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:2704

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

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Downloads

memory/948-142-0x000002B3B4150000-0x000002B3B4160000-memory.dmp

Filesize
64KB

Download
memory/948-143-0x000002B3B4820000-0x000002B3B4830000-memory.dmp

Filesize
64KB

Download
memory/948-144-0x000002B3B6ED0000-0x000002B3B6ED4000-memory.dmp

Filesize
16KB

Download
memory/2772-130-0x00000000759D0000-0x00000000759D1000-memory.dmp

Filesize
4KB

Download
memory/2772-134-0x0000000000880000-0x0000000000FC8000-memory.dmp

Filesize
7.3MB

Download
memory/2772-135-0x00000000779F4000-0x00000000779F6000-memory.dmp

Filesize
8KB

Download
memory/2772-136-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/2772-137-0x0000000006460000-0x0000000006A78000-memory.dmp

Filesize
6.1MB

Download
memory/2772-138-0x0000000005D80000-0x0000000005D92000-memory.dmp

Filesize
72KB

Download
memory/2772-139-0x0000000005F50000-0x000000000605A000-memory.dmp

Filesize
1.0MB

Download
memory/2772-140-0x0000000005DE0000-0x0000000005E1C000-memory.dmp

Filesize
240KB

Download
memory/2772-141-0x0000000005E30000-0x0000000005E31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads