redline | 1fc42b8450c8ffb2c4189e3064cd08edf0ff3259e9ccbb635dde6ae0782eae1a

Resubmissions

29-11-2022 18:36

221129-w9c14shd6t 10

29-11-2022 18:34

221129-w72axshc5v 10

Analysis

max time kernel
151s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 18:34

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General

Target

driver.exe
Size

2.5MB
MD5

3a3fa6e19b606f700fa5a0d238de8915
SHA1

6211694e6cd50584f368b87f7c69bf2eda502c90
SHA256

1fc42b8450c8ffb2c4189e3064cd08edf0ff3259e9ccbb635dde6ae0782eae1a
SHA512

83c2c913f5147341c5334b05b207715e648b9778f1cd1a7af6888f714e7fe04585ba21cd9440a7a3e8c280c99acc8f8a397a400897ebae0fb0ecb60320eaf48b
SSDEEP

24576:KxTo3fi6zSaHcsFV03AQgs5ehYWTnxoQ/D2+mpS/5sqR91ldaHQqenA4jBmkg1gU:IT22ZePnxogDP/5fF7aHGg0j0

Score

10^/10

redline infostealer

Malware Config

Extracted

Family

redline

45.15.157.131:36457

Attributes

auth_value
c3342eec6a24dd88f1e2d37af96605d8

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/3924-133-0x00000000005A0000-0x00000000005C8000-memory.dmp	family_redline

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Drops desktop.ini file(s) 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Users\Admin\Videos\Captures\desktop.ini svchost.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

driver.exe

description pid process target process

PID 1488 set thread context of 3924 1488 driver.exe vbc.exe

description	ioc	process
File opened for modification	C:\Users\Admin\Videos\Captures\desktop.ini	svchost.exe

description	pid	process	target process
PID 1488 set thread context of 3924	1488	driver.exe	vbc.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

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

Modifies registry class 1 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-4246620582-653642754-1174164128-1000\{5CD6F557-303D-4E48-BCC8-3E5C9E043786}	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OpenWith.exe

pid process

204 OpenWith.exe

pid	process
204	OpenWith.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

driver.exe

description	pid	process	target process
PID 1488 wrote to memory of 3924	1488	driver.exe	vbc.exe
PID 1488 wrote to memory of 3924	1488	driver.exe	vbc.exe
PID 1488 wrote to memory of 3924	1488	driver.exe	vbc.exe
PID 1488 wrote to memory of 3924	1488	driver.exe	vbc.exe
PID 1488 wrote to memory of 3924	1488	driver.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\driver.exe
"C:\Users\Admin\AppData\Local\Temp\driver.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\vbc.exe"
2⤵
PID:3924

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Suspicious use of SetWindowsHookEx
PID:204

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
1⤵
- Drops desktop.ini file(s)
- Checks processor information in registry
- Modifies registry class
PID:4296

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3924-132-0x0000000000000000-mapping.dmp

Download
memory/3924-133-0x00000000005A0000-0x00000000005C8000-memory.dmp

Filesize
160KB

Download
memory/3924-138-0x0000000005690000-0x0000000005CA8000-memory.dmp

Filesize
6.1MB

Download
memory/3924-139-0x0000000005180000-0x000000000528A000-memory.dmp

Filesize
1.0MB

Download
memory/3924-140-0x0000000000F20000-0x0000000000F32000-memory.dmp

Filesize
72KB

Download
memory/3924-141-0x0000000005070000-0x00000000050AC000-memory.dmp

Filesize
240KB

Download