redline | 7a3b1e9c8df660dc1c1cf9b17411c1d6a4ffca364712c5de8ac46b1199ece1ce

Analysis

max time kernel
119s
max time network
129s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/11/2024, 02:36

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General

Target

fp4h5ur67j.exe
Size

1.3MB
MD5

8cd05b06930579102407341364cdedd4
SHA1

f1c3d91406f6e461c67d7c12c26d43968cd42031
SHA256

5859d191a74777c836d807c66f0dcd9ce61d792997e5fae991dd5297b1065d83
SHA512

06b799f4e57ca6ebc168021e9f19904fceb467e65684a0391d8325bec341c8776cadea8555afe9a0874203085044983106a50f6a3062c9b5d9f84de7d34f4354
SSDEEP

6144:q2AdvNiBrRuWzr3Qk7AOziNR14LE8mnq4wqluSPB0YJpc:3AdvNsrXv781vwr7YJq

Score

10^/10

redline @forxids discovery infostealer

Malware Config

Extracted

Family

redline

Botnet

@forxids

37.220.87.13:48790

Attributes

auth_value
63e73f2bdcf7259b4f61c8d04fa10a1b

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
behavioral31/memory/2832-2-0x0000000000400000-0x0000000000446000-memory.dmp	family_redline
behavioral31/memory/2832-9-0x0000000000400000-0x0000000000446000-memory.dmp	family_redline
behavioral31/memory/2832-8-0x0000000000400000-0x0000000000446000-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 1504 set thread context of 2832	1504	fp4h5ur67j.exe	31

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2340	1504	WerFault.exe	29
2676	2832	WerFault.exe	31

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	fp4h5ur67j.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2832	1504	fp4h5ur67j.exe	31
PID 1504 wrote to memory of 2832	1504	fp4h5ur67j.exe	31
PID 1504 wrote to memory of 2832	1504	fp4h5ur67j.exe	31
PID 1504 wrote to memory of 2832	1504	fp4h5ur67j.exe	31
PID 1504 wrote to memory of 2832	1504	fp4h5ur67j.exe	31
PID 1504 wrote to memory of 2832	1504	fp4h5ur67j.exe	31
PID 1504 wrote to memory of 2340	1504	fp4h5ur67j.exe	32
PID 1504 wrote to memory of 2340	1504	fp4h5ur67j.exe	32
PID 1504 wrote to memory of 2340	1504	fp4h5ur67j.exe	32
PID 1504 wrote to memory of 2340	1504	fp4h5ur67j.exe	32
PID 2832 wrote to memory of 2676	2832	vbc.exe	33
PID 2832 wrote to memory of 2676	2832	vbc.exe	33
PID 2832 wrote to memory of 2676	2832	vbc.exe	33
PID 2832 wrote to memory of 2676	2832	vbc.exe	33

C:\Users\Admin\AppData\Local\Temp\fp4h5ur67j.exe
"C:\Users\Admin\AppData\Local\Temp\fp4h5ur67j.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1504
- 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
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 492
    3⤵
    - Program crash
    PID:2676
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 48
  2⤵
  - Program crash
  PID:2340

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/1504-0-0x00000000012FC000-0x00000000012FD000-memory.dmp

Filesize
4KB

Download
memory/2832-1-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2832-2-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2832-9-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2832-6-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-8-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2832-10-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download