redline | b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd

Analysis

max time kernel
105s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 23:39

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General

Target

b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd.exe
Size

202KB
MD5

5c1d57804de9c2890101ec5c34772eba
SHA1

b4fb0bf3d7a76c30f99cdf1916be40ce8874a5f7
SHA256

b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd
SHA512

c074a1d4c8318d0a90b35434618bd38b2f11501ebfca276c131d7d71d9872da4407c661cb288f08d67842bc6d21257c1bd61f66af387292380a79ac88cf36eab
SSDEEP

3072:KMy+bnr+O185GWp1icKAArDZz4N9GhbkrNEk656KobmnVgAmhu4mNP9ZiTlYnx:KMy+bnr+fp0yN90QEiKVgWdjimx

Score

10^/10

redline fukia discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fukia

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023cd2-5.dat	family_redline
behavioral1/memory/4728-8-0x0000000000E70000-0x0000000000EA2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 1 IoCs

pid	Process
4728	bAQ76.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
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\\\""	b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd.exe

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	b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bAQ76.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 4728	1752	b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd.exe	84
PID 1752 wrote to memory of 4728	1752	b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd.exe	84
PID 1752 wrote to memory of 4728	1752	b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd.exe	84

C:\Users\Admin\AppData\Local\Temp\b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd.exe
"C:\Users\Admin\AppData\Local\Temp\b17e3f91abc093c2026df4648b096b1993781fb03e4ea1a2b0872a42b04b79bd.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bAQ76.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bAQ76.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bAQ76.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/4728-7-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/4728-8-0x0000000000E70000-0x0000000000EA2000-memory.dmp

Filesize
200KB

Download
memory/4728-9-0x0000000005DD0000-0x00000000063E8000-memory.dmp

Filesize
6.1MB

Download
memory/4728-10-0x0000000005950000-0x0000000005A5A000-memory.dmp

Filesize
1.0MB

Download
memory/4728-11-0x0000000005880000-0x0000000005892000-memory.dmp

Filesize
72KB

Download
memory/4728-12-0x00000000058E0000-0x000000000591C000-memory.dmp

Filesize
240KB

Download
memory/4728-13-0x0000000005A60000-0x0000000005AAC000-memory.dmp

Filesize
304KB

Download
memory/4728-14-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads