redline | b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5

General

Target

b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe
Size

386KB
MD5

3d42a931627cdec7a43fe2c75bc878b1
SHA1

8f0aad8051c96079224b084373a2023a15f0dc4d
SHA256

b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5
SHA512

04b20188cacafec1ab5983e2799a4a1e00a4f3976baabee49418e0323910fac503c4fdbb70041461ac0a49470ca3d25f69bc9559831e6dd10d8e53e146635fbd
SSDEEP

6144:KWy+bnr+mp0yN90QE/NLLp6BCQLf2W5zWL4kxZbxDbmqmTlo9:OMray90hNLLpcCQLOMWlx5x3Elo9

Score

10^/10

redline fud discovery evasion infostealer persistence spyware stealer trojan

Malware Config

Extracted

Family

redline

Botnet

fud

C2

193.233.20.27:4123

Attributes

auth_value
cddc991efd6918ad5321d80dac884b40

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

Processes:

s3341TL.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	s3341TL.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	s3341TL.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	s3341TL.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	s3341TL.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	s3341TL.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	s3341TL.exe

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

RedLine payload 34 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4448-148-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-149-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-151-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-153-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-155-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-157-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-159-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-165-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-163-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-161-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-171-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-169-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-167-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-173-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-175-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-177-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-180-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-184-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-186-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-188-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-190-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-202-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-200-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-198-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-196-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-208-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-210-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-206-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-204-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-212-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-194-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-192-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-214-0x0000000002200000-0x000000000223E000-memory.dmp	family_redline
behavioral1/memory/4448-1063-0x0000000004C40000-0x0000000004C50000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

s3341TL.exet44Up54.exe

pid process

1452 s3341TL.exe
4448 t44Up54.exe
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
Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

s3341TL.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s3341TL.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1452	s3341TL.exe
4448	t44Up54.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	s3341TL.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe

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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1976 4448 WerFault.exe t44Up54.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

s3341TL.exet44Up54.exe

pid process

1452 s3341TL.exe
1452 s3341TL.exe
4448 t44Up54.exe
4448 t44Up54.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

s3341TL.exet44Up54.exe

description pid process

Token: SeDebugPrivilege 1452 s3341TL.exe
Token: SeDebugPrivilege 4448 t44Up54.exe

pid	pid_target	process	target process
1976	4448	WerFault.exe	t44Up54.exe

pid	process
1452	s3341TL.exe
1452	s3341TL.exe
4448	t44Up54.exe
4448	t44Up54.exe

description	pid	process
Token: SeDebugPrivilege	1452	s3341TL.exe
Token: SeDebugPrivilege	4448	t44Up54.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe

description	pid	process	target process
PID 2956 wrote to memory of 1452	2956	b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe	s3341TL.exe
PID 2956 wrote to memory of 1452	2956	b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe	s3341TL.exe
PID 2956 wrote to memory of 4448	2956	b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe	t44Up54.exe
PID 2956 wrote to memory of 4448	2956	b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe	t44Up54.exe
PID 2956 wrote to memory of 4448	2956	b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe	t44Up54.exe

C:\Users\Admin\AppData\Local\Temp\b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe
"C:\Users\Admin\AppData\Local\Temp\b9a454134800fa00c2aec28bb11f7ae5219139db83e51f1da810df039e026bc5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2956

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3341TL.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3341TL.exe
2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1452

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t44Up54.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t44Up54.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 1328
3⤵
- Program crash
PID:1976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4448 -ip 4448
1⤵
PID:5096

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Disabling Security Tools

2

T1089

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3341TL.exe
Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3341TL.exe
Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t44Up54.exe
Filesize
301KB

MD5
c56a78af142f0676801bb0e0dde9eb08

SHA1
6c085cffa3182b0de27a195b9ed322ef010bd128

SHA256
5c6b6a5168c0f4d2cee7924014f735f88dd4819d00867484682c2df9822b35d7

SHA512
4a8038347716d2dcb218bda76bced069de23a6fff0736b696d1f378826ef47d2792ae8c420ecd6f6b7850890b2a75b8f222d69416c8acdc495b56b8969d5da04

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t44Up54.exe
Filesize
301KB

MD5
c56a78af142f0676801bb0e0dde9eb08

SHA1
6c085cffa3182b0de27a195b9ed322ef010bd128

SHA256
5c6b6a5168c0f4d2cee7924014f735f88dd4819d00867484682c2df9822b35d7

SHA512
4a8038347716d2dcb218bda76bced069de23a6fff0736b696d1f378826ef47d2792ae8c420ecd6f6b7850890b2a75b8f222d69416c8acdc495b56b8969d5da04

Download Submit
memory/1452-140-0x0000000000600000-0x000000000060A000-memory.dmp

Filesize
40KB

Download
memory/4448-146-0x0000000000540000-0x000000000058B000-memory.dmp

Filesize
300KB

Download
memory/4448-147-0x0000000004C50000-0x00000000051F4000-memory.dmp

Filesize
5.6MB

Download
memory/4448-148-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-149-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-151-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-153-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-155-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-157-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-159-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-165-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-163-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-161-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-171-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-169-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-167-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-173-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-175-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-177-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-179-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download
memory/4448-183-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download
memory/4448-181-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download
memory/4448-180-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-184-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-186-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-188-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-190-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-202-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-200-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-198-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-196-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-208-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-210-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-206-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-204-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-212-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-194-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-192-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-214-0x0000000002200000-0x000000000223E000-memory.dmp

Filesize
248KB

Download
memory/4448-1057-0x0000000005200000-0x0000000005818000-memory.dmp

Filesize
6.1MB

Download
memory/4448-1058-0x0000000004B30000-0x0000000004C3A000-memory.dmp

Filesize
1.0MB

Download
memory/4448-1059-0x0000000005850000-0x0000000005862000-memory.dmp

Filesize
72KB

Download
memory/4448-1060-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download
memory/4448-1061-0x0000000005870000-0x00000000058AC000-memory.dmp

Filesize
240KB

Download
memory/4448-1063-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download
memory/4448-1064-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download
memory/4448-1065-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download
memory/4448-1066-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/4448-1067-0x0000000006360000-0x00000000063F2000-memory.dmp

Filesize
584KB

Download
memory/4448-1068-0x0000000006460000-0x0000000006622000-memory.dmp

Filesize
1.8MB

Download
memory/4448-1069-0x0000000006640000-0x0000000006B6C000-memory.dmp

Filesize
5.2MB

Download
memory/4448-1070-0x0000000006C90000-0x0000000006D06000-memory.dmp

Filesize
472KB

Download
memory/4448-1071-0x0000000006D30000-0x0000000006D80000-memory.dmp

Filesize
320KB

Download
memory/4448-1072-0x0000000004C40000-0x0000000004C50000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads