redline | 3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e

General

Target

3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe
Size

458KB
MD5

a03ee84873f31ecee95290104f4e678f
SHA1

af01efe138ae278621b49724ece9b0bac60b1f10
SHA256

3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e
SHA512

278d7f253a9ee40344fd0e2459b6e4b6edbaeb512a29e33653ec53242820498429a449b3293728ab17243744b82311a65572987822a64716361011e556c93b87

Score

10^/10

redline discovery infostealer persistence spyware stealer

Malware Config

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1832-133-0x0000000002280000-0x00000000023C0000-memory.dmp	family_redline
behavioral1/memory/1832-134-0x0000000002280000-0x00000000023C0000-memory.dmp	family_redline
behavioral1/memory/1832-135-0x0000000002280000-0x00000000023C0000-memory.dmp	family_redline
behavioral1/memory/1832-140-0x0000000002280000-0x00000000023C0000-memory.dmp	family_redline

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2632 created 1832 2632 WerFault.exe 3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe
Sets service image path in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Drops file in Windows directory 1 IoCs

Processes:

WerFault.exe

description ioc process

File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp WerFault.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1952 1832 WerFault.exe 3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe

description	pid	process	target process
PID 2632 created 1832	2632	WerFault.exe	3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe

description	ioc	process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	WerFault.exe

pid	pid_target	process	target process
1952	1832	WerFault.exe	3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	WaaSMedicAgent.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	WaaSMedicAgent.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WerFault.exe

pid process

1952 WerFault.exe
1952 WerFault.exe

pid	process
1952	WerFault.exe
1952	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	1832	3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe
Token: SeRestorePrivilege	1952	WerFault.exe
Token: SeBackupPrivilege	1952	WerFault.exe
Token: SeBackupPrivilege	1952	WerFault.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 2632 wrote to memory of 1832	2632	WerFault.exe	3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe
PID 2632 wrote to memory of 1832	2632	WerFault.exe	3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe

C:\Users\Admin\AppData\Local\Temp\3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe
"C:\Users\Admin\AppData\Local\Temp\3fa6d241e015a444757a8ef0d3e4ad24134655bb92169217b3702504b5f5b00e.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 1524
2⤵
- Drops file in Windows directory
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe 3360a024ee8731b602a9a9f798c4a613 m1LUVBdGck63P0D30X+vRQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1832 -ip 1832
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p
1⤵
PID:764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1832-130-0x0000000000610000-0x000000000063B000-memory.dmp

Filesize
172KB

Download
memory/1832-131-0x0000000000640000-0x0000000000679000-memory.dmp

Filesize
228KB

Download
memory/1832-132-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1832-133-0x0000000002280000-0x00000000023C0000-memory.dmp

Filesize
1.2MB

Download
memory/1832-134-0x0000000002280000-0x00000000023C0000-memory.dmp

Filesize
1.2MB

Download
memory/1832-135-0x0000000002280000-0x00000000023C0000-memory.dmp

Filesize
1.2MB

Download
memory/1832-136-0x0000000004D50000-0x00000000052F4000-memory.dmp

Filesize
5.6MB

Download
memory/1832-137-0x0000000005300000-0x0000000005918000-memory.dmp

Filesize
6.1MB

Download
memory/1832-138-0x0000000002710000-0x0000000002722000-memory.dmp

Filesize
72KB

Download
memory/1832-139-0x0000000005920000-0x0000000005A2A000-memory.dmp

Filesize
1.0MB

Download
memory/1832-140-0x0000000002280000-0x00000000023C0000-memory.dmp

Filesize
1.2MB

Download
memory/1832-141-0x0000000002860000-0x000000000289C000-memory.dmp

Filesize
240KB

Download
memory/1832-142-0x0000000005CB0000-0x0000000005D16000-memory.dmp

Filesize
408KB

Download
memory/1832-143-0x00000000060D0000-0x0000000006146000-memory.dmp

Filesize
472KB

Download
memory/1832-144-0x00000000061B0000-0x0000000006242000-memory.dmp

Filesize
584KB

Download
memory/1832-145-0x00000000063B0000-0x00000000063CE000-memory.dmp

Filesize
120KB

Download
memory/1832-146-0x0000000006460000-0x0000000006622000-memory.dmp

Filesize
1.8MB

Download
memory/1832-147-0x0000000006630000-0x0000000006B5C000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads