redline | 191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950

General

Target

191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exe
Size

444KB
MD5

2cca70300e75df503f6676803b470383
SHA1

7de77087c0dd09612acb8aa97025c9aa495e64f3
SHA256

191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950
SHA512

a0def3aba2baaff74eb4e98e399ad053d81929a7d8a45c954cc0aacfe86c8b411cabcdc823f543859c059c53abe874ba13d3a5cb5ba56007eb619fa55c538126

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 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2436-134-0x0000000002670000-0x00000000027F3000-memory.dmp	family_redline

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 644 created 2436 644 WerFault.exe 191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.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

2888 2436 WerFault.exe 191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exe

description	pid	process	target process
PID 644 created 2436	644	WerFault.exe	191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exe

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

pid	pid_target	process	target process
2888	2436	WerFault.exe	191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

WaaSMedicAgent.exe

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WerFault.exe

pid process

2888 WerFault.exe
2888 WerFault.exe

pid	process
2888	WerFault.exe
2888	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	2436	191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exe
Token: SeRestorePrivilege	2888	WerFault.exe
Token: SeBackupPrivilege	2888	WerFault.exe
Token: SeBackupPrivilege	2888	WerFault.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WerFault.exe

description	pid	process	target process
PID 644 wrote to memory of 2436	644	WerFault.exe	191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exe
PID 644 wrote to memory of 2436	644	WerFault.exe	191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exe

C:\Users\Admin\AppData\Local\Temp\191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exe
"C:\Users\Admin\AppData\Local\Temp\191cfad3f68bdedbad3b6840e8d93ba5bb2566717de801264684c679340df950.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 1096
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:2888

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe d474b9deb8d2f6d84d145977e5d38807 6Eo/quQvI0GfXKhB/KjJeQ.0.1.0.0.0
1⤵
- Modifies data under HKEY_USERS
PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2436 -ip 2436
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k wusvcs -p
1⤵
PID:4024

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/2436-130-0x0000000000510000-0x0000000000556000-memory.dmp

Filesize
280KB

Download
memory/2436-131-0x0000000002200000-0x0000000002239000-memory.dmp

Filesize
228KB

Download
memory/2436-132-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2436-133-0x0000000002670000-0x00000000027F3000-memory.dmp

Filesize
1.5MB

Download
memory/2436-134-0x0000000002670000-0x00000000027F3000-memory.dmp

Filesize
1.5MB

Download
memory/2436-135-0x0000000002670000-0x00000000027F3000-memory.dmp

Filesize
1.5MB

Download
memory/2436-136-0x0000000004CF0000-0x0000000005294000-memory.dmp

Filesize
5.6MB

Download
memory/2436-137-0x00000000052A0000-0x00000000058B8000-memory.dmp

Filesize
6.1MB

Download
memory/2436-138-0x0000000002910000-0x0000000002922000-memory.dmp

Filesize
72KB

Download
memory/2436-139-0x00000000058C0000-0x00000000059CA000-memory.dmp

Filesize
1.0MB

Download
memory/2436-140-0x0000000002950000-0x000000000298C000-memory.dmp

Filesize
240KB

Download
memory/2436-141-0x0000000002670000-0x00000000027F3000-memory.dmp

Filesize
1.5MB

Download
memory/2436-142-0x0000000005CA0000-0x0000000005D32000-memory.dmp

Filesize
584KB

Download
memory/2436-143-0x0000000005D40000-0x0000000005DB6000-memory.dmp

Filesize
472KB

Download
memory/2436-144-0x0000000005F40000-0x0000000005F5E000-memory.dmp

Filesize
120KB

Download
memory/2436-145-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/2436-146-0x0000000006800000-0x00000000069C2000-memory.dmp

Filesize
1.8MB

Download
memory/2436-147-0x00000000069E0000-0x0000000006F0C000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads