redline | ae49d51ca93adebeea1eae0fe3645809fe91671f63b2c8f2569a035d6ae7d38b

Analysis

max time kernel
131s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 11:34

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General

Target

WinFN v2.2.exe
Size

352KB
MD5

57ef965eb466b6a13015e6c3604e93f5
SHA1

ca27b9efa6f0a07068790f0f0cbae39a808fffa7
SHA256

1b966fd04d779b571d96baa85cb52b46359f06425a0d4fa024b87c8fc8553e8f
SHA512

9121c39feaf5cf32e06713b407a535419cd1ffab96a4b448fb7872a08d2074fa56c425a9a2b699211658bb2131bcd6589d0c00e3164730e4271d2e2cfa09436c
SSDEEP

6144:KuAFxcDqjjGfMO7lE1ARDoAOStcR1Mxr0vFuj0+Mn6Kr45/:pSxcD6OW+oktEexra9nX45

Score

10^/10

redline discovery infostealer

Malware Config

Extracted

Family

redline

176.113.115.7:2883

Attributes

auth_value
0dafc555a7917ac8113f8e2c813f0569

Signatures

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

RedLine payload 3 IoCs

resource	yara_rule
behavioral11/memory/2700-9-0x0000000000400000-0x0000000000430000-memory.dmp	family_redline
behavioral11/memory/2700-8-0x0000000000400000-0x0000000000430000-memory.dmp	family_redline
behavioral11/memory/2700-2-0x0000000000400000-0x0000000000430000-memory.dmp	family_redline

Redline family
redline
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2404 set thread context of 2700	2404	WinFN v2.2.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2904	2404	WerFault.exe	29

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	WinFN v2.2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2700	2404	WinFN v2.2.exe	31
PID 2404 wrote to memory of 2700	2404	WinFN v2.2.exe	31
PID 2404 wrote to memory of 2700	2404	WinFN v2.2.exe	31
PID 2404 wrote to memory of 2700	2404	WinFN v2.2.exe	31
PID 2404 wrote to memory of 2700	2404	WinFN v2.2.exe	31
PID 2404 wrote to memory of 2700	2404	WinFN v2.2.exe	31
PID 2404 wrote to memory of 2904	2404	WinFN v2.2.exe	32
PID 2404 wrote to memory of 2904	2404	WinFN v2.2.exe	32
PID 2404 wrote to memory of 2904	2404	WinFN v2.2.exe	32
PID 2404 wrote to memory of 2904	2404	WinFN v2.2.exe	32

C:\Users\Admin\AppData\Local\Temp\WinFN v2.2.exe
"C:\Users\Admin\AppData\Local\Temp\WinFN v2.2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 48
  2⤵
  - Program crash
  PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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/2404-0-0x0000000000BA6000-0x0000000000BA8000-memory.dmp

Filesize
8KB

Download
memory/2700-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2700-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2700-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-2-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2700-1-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2700-10-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2700-11-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-12-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2700-13-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download