redline | 6e15cb9828c0d8889e1df6b864a028fbe1796d0eac994742c856eede388b3004

Analysis

max time kernel
9s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 01:40

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General

Target

UIExecutor.exe
Size

309KB
MD5

36497d4c1167dbc149eb57b5fe6044e3
SHA1

9ed6239965c840db34b4fa5ee134b4919784e28e
SHA256

26a17ccebe008bc2a21fd18d272048c8f786bf4c7ec9f2e51e877e55c8a03507
SHA512

4304217cf60397251be732b79f200a2053a19442bac70eb5ca6a2ed60274b6e2de1d47fe5222481a3c0488463df0b15510e3987ff722fc651df20f056c339d2a
SSDEEP

6144:8ny1kZFA7y+p+8LEvLHOepFAR5XOQnj9CNEWXgiLYeQhvHNTE7:8nyUFqy6+827yXVJMpXg1TE

Score

10^/10

redline discovery infostealer

Malware Config

Extracted

Family

redline

185.196.9.26:6302

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/1192-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline

Redline family
redline

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3484 set thread context of 1192	3484	UIExecutor.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4352	3484	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UIExecutor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 1192	3484	UIExecutor.exe	83
PID 3484 wrote to memory of 1192	3484	UIExecutor.exe	83
PID 3484 wrote to memory of 1192	3484	UIExecutor.exe	83
PID 3484 wrote to memory of 1192	3484	UIExecutor.exe	83
PID 3484 wrote to memory of 1192	3484	UIExecutor.exe	83
PID 3484 wrote to memory of 1192	3484	UIExecutor.exe	83
PID 3484 wrote to memory of 1192	3484	UIExecutor.exe	83
PID 3484 wrote to memory of 1192	3484	UIExecutor.exe	83

C:\Users\Admin\AppData\Local\Temp\UIExecutor.exe
"C:\Users\Admin\AppData\Local\Temp\UIExecutor.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 880
  2⤵
  - Program crash
  PID:4352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3484 -ip 3484
1⤵
PID:1540

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1192-10-0x0000000005F80000-0x0000000006598000-memory.dmp

Filesize
6.1MB

Download
memory/1192-8-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

Filesize
40KB

Download
memory/1192-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1192-14-0x0000000005240000-0x000000000528C000-memory.dmp

Filesize
304KB

Download
memory/1192-5-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/1192-7-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1192-13-0x00000000050C0000-0x00000000050FC000-memory.dmp

Filesize
240KB

Download
memory/1192-9-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/1192-6-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/1192-12-0x0000000005060000-0x0000000005072000-memory.dmp

Filesize
72KB

Download
memory/1192-11-0x0000000005130000-0x000000000523A000-memory.dmp

Filesize
1.0MB

Download
memory/3484-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/3484-1-0x0000000000950000-0x00000000009A4000-memory.dmp

Filesize
336KB

Download
memory/3484-4-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/3484-15-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download