redline | a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107

General

Target

a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe
Size

2.7MB
MD5

2f8f4de97a5a71421010034647ff56f6
SHA1

196e137302d2e6f45745fbd61b897d3153fd5513
SHA256

a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107
SHA512

23572233764784d5402523f7e5cea8d6b75297a5a634c54203ed6e5e990018d3c07e8f337338f23e65107799a4c4d28a69c5e2b224128e5f0ca931c4f853fdb2

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/4416-135-0x0000000000750000-0x0000000000E56000-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:

a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4416-135-0x0000000000750000-0x0000000000E56000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe

pid process

4416 a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	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
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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe

pid	process
4416	a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe
4416	a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeTiWorker.exe

description	pid	process
Token: SeShutdownPrivilege	2304	svchost.exe
Token: SeCreatePagefilePrivilege	2304	svchost.exe
Token: SeShutdownPrivilege	2304	svchost.exe
Token: SeCreatePagefilePrivilege	2304	svchost.exe
Token: SeShutdownPrivilege	2304	svchost.exe
Token: SeCreatePagefilePrivilege	2304	svchost.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe
Token: SeRestorePrivilege	4960	TiWorker.exe
Token: SeSecurityPrivilege	4960	TiWorker.exe
Token: SeBackupPrivilege	4960	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe
"C:\Users\Admin\AppData\Local\Temp\a9c82f504c1c0d9e21d1c748228cb992fc956ac03c9379ce4606ad51d4bfa107.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4416

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:2304

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:4960

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/2304-142-0x00000192CC790000-0x00000192CC7A0000-memory.dmp

Filesize
64KB

Download
memory/2304-144-0x00000192CF410000-0x00000192CF414000-memory.dmp

Filesize
16KB

Download
memory/2304-143-0x00000192CCD20000-0x00000192CCD30000-memory.dmp

Filesize
64KB

Download
memory/4416-138-0x0000000005820000-0x0000000005832000-memory.dmp

Filesize
72KB

Download
memory/4416-136-0x000000007541E000-0x000000007541F000-memory.dmp

Filesize
4KB

Download
memory/4416-137-0x0000000005FC0000-0x00000000065D8000-memory.dmp

Filesize
6.1MB

Download
memory/4416-130-0x0000000076D00000-0x0000000076D01000-memory.dmp

Filesize
4KB

Download
memory/4416-139-0x00000000059A0000-0x0000000005AAA000-memory.dmp

Filesize
1.0MB

Download
memory/4416-140-0x0000000005880000-0x00000000058BC000-memory.dmp

Filesize
240KB

Download
memory/4416-141-0x0000000005990000-0x0000000005991000-memory.dmp

Filesize
4KB

Download
memory/4416-135-0x0000000000750000-0x0000000000E56000-memory.dmp

Filesize
7.0MB

Download
memory/4416-134-0x0000000077E84000-0x0000000077E86000-memory.dmp

Filesize
8KB

Download
memory/4416-133-0x0000000076D00000-0x0000000076D01000-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