redline | ca441cc9e69c9106b68d24f81e5bfa4a6cccf701fd348d0f609d13e02e80e122

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 17:44

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General

Target

94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe
Size

316KB
MD5

d471076bfb9f30f64ac99bfe96c6ced7
SHA1

e89e8ccc76693986411584e5195ddfe6ad8fb5e7
SHA256

94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3
SHA512

5262eaf6b6b5634ebd1a397b4f5256c48fc875292cb0d0784bad47fdf76676e4c3881441f9dd998203c133d970aae8738ad4663fc0f54be2258595fc25bf3066
SSDEEP

6144:K/y+bnr+tp0yN90QE56vZrMgX3eYK41E8OBURKaJOf:BMrdy90/mN3rKWOmEaMf

Score

10^/10

redline debro evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

debro

185.161.248.75:4132

Attributes

auth_value
18c2c191aebfde5d1787ec8d805a01a8

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k9720757.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k9720757.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k9720757.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k9720757.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k9720757.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k9720757.exe

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral11/files/0x00070000000233fb-45.dat	family_redline
behavioral11/memory/3800-47-0x0000000000B40000-0x0000000000B6E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
512	k9720757.exe
3800	l3574533.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k9720757.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k9720757.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\\\""	94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
512	k9720757.exe
512	k9720757.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	512	k9720757.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 512	4172	94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe	81
PID 4172 wrote to memory of 512	4172	94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe	81
PID 4172 wrote to memory of 512	4172	94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe	81
PID 4172 wrote to memory of 3800	4172	94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe	82
PID 4172 wrote to memory of 3800	4172	94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe	82
PID 4172 wrote to memory of 3800	4172	94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe	82

C:\Users\Admin\AppData\Local\Temp\94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe
"C:\Users\Admin\AppData\Local\Temp\94a701520b1541ce168a4e497a826d85bec77dc049bdd7de9e4665fd8ccb7fa3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4172
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k9720757.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k9720757.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:512
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l3574533.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l3574533.exe
  2⤵
  - Executes dropped EXE
  PID:3800

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k9720757.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l3574533.exe

Filesize
168KB

MD5
959cb4b503778f16862850a29d5957d1

SHA1
d31625d1b16b933c8734370766cd536653199d54

SHA256
98f42e6a662a2b65a5b3d94f59129f174194f23518b366a7cc86711732b138af

SHA512
1e35850423f98d8c764bc02ea5e32dc6fda64d624d6e91db8830907047950b375a6324c5c6bf940c8ebd95e7523a4d5288cd244d3b59a3bfbe32c32f2e277e04

Download Submit
memory/512-41-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-39-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-10-0x0000000004BA0000-0x0000000005144000-memory.dmp

Filesize
5.6MB

Download
memory/512-21-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-12-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/512-13-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/512-8-0x00000000024A0000-0x00000000024BE000-memory.dmp

Filesize
120KB

Download
memory/512-19-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-37-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-35-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-33-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-31-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-29-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-17-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-25-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-23-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-11-0x0000000002600000-0x000000000261C000-memory.dmp

Filesize
112KB

Download
memory/512-9-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/512-27-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-15-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-14-0x0000000002600000-0x0000000002616000-memory.dmp

Filesize
88KB

Download
memory/512-43-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/512-7-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/3800-47-0x0000000000B40000-0x0000000000B6E000-memory.dmp

Filesize
184KB

Download
memory/3800-48-0x00000000747E0000-0x000000007488B000-memory.dmp

Filesize
684KB

Download
memory/3800-49-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/3800-50-0x0000000005B50000-0x0000000006168000-memory.dmp

Filesize
6.1MB

Download
memory/3800-51-0x0000000005640000-0x000000000574A000-memory.dmp

Filesize
1.0MB

Download
memory/3800-52-0x00000000053B0000-0x00000000053C2000-memory.dmp

Filesize
72KB

Download
memory/3800-53-0x00000000747E0000-0x000000007488B000-memory.dmp

Filesize
684KB

Download
memory/3800-54-0x0000000005530000-0x000000000556C000-memory.dmp

Filesize
240KB

Download
memory/3800-55-0x0000000005570000-0x00000000055BC000-memory.dmp

Filesize
304KB

Download
memory/3800-56-0x00000000747E0000-0x000000007488B000-memory.dmp

Filesize
684KB

Download