redline | ca441cc9e69c9106b68d24f81e5bfa4a6cccf701fd348d0f609d13e02e80e122

Analysis

max time kernel
135s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2024, 17:44

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General

Target

f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b.exe
Size

488KB
MD5

891f6632cb79d1a9f0c188bb814ddf7d
SHA1

4997b9b5b1a5e6deeab98e624c86e3b3169a14f8
SHA256

f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b
SHA512

dbc5639275d774c895a31d6426755931e5d7adb3ba53a0a443c4688f80bd74b1ef772697c0e5234aafea1f57658a1bcb850c4f4273990de5e575189cc0df959d
SSDEEP

12288:6MrXy90wdCHRMJriKLzKlOkuagW50P60q:RybdCx0riKnkuagL69

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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k9417864.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k9417864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k9417864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k9417864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k9417864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k9417864.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
behavioral14/files/0x0007000000023274-52.dat	family_redline
behavioral14/memory/1924-54-0x0000000000880000-0x00000000008AE000-memory.dmp	family_redline

Executes dropped EXE 3 IoCs

pid	Process
2520	y7261951.exe
4320	k9417864.exe
1924	l7794516.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	k9417864.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k9417864.exe

Adds Run key to start application 2 TTPs 2 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\\\""	f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	y7261951.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4320	k9417864.exe
4320	k9417864.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4320	k9417864.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 2520	4028	f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b.exe	91
PID 4028 wrote to memory of 2520	4028	f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b.exe	91
PID 4028 wrote to memory of 2520	4028	f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b.exe	91
PID 2520 wrote to memory of 4320	2520	y7261951.exe	92
PID 2520 wrote to memory of 4320	2520	y7261951.exe	92
PID 2520 wrote to memory of 4320	2520	y7261951.exe	92
PID 2520 wrote to memory of 1924	2520	y7261951.exe	98
PID 2520 wrote to memory of 1924	2520	y7261951.exe	98
PID 2520 wrote to memory of 1924	2520	y7261951.exe	98

C:\Users\Admin\AppData\Local\Temp\f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b.exe
"C:\Users\Admin\AppData\Local\Temp\f02b51da6b6ee268ba4e404af6561d6ba14b5517acb7a394deaeebb29740329b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7261951.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y7261951.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9417864.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9417864.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4320
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7794516.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7794516.exe
    3⤵
    - Executes dropped EXE
    PID:1924

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:932

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\y7261951.exe

Filesize
316KB

MD5
5a584e27a3c8489cc892074986111083

SHA1
fe3d8d23a52283301aba2b538271d961b6a6967f

SHA256
6d78dff84317106cef69cf4101310b9c9f109acefd5c676e700107e6b421c4ed

SHA512
5f20bd7118426cbdf0fb7332ea3a6282c83b2757b32320d32e9a0b4f5cba8b857305395e3fe586da86181f5fddf349db1a8b295527d0c64526267495dc57feac

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9417864.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l7794516.exe

Filesize
168KB

MD5
d7ed4489f938a2d70a8fad2f850bc675

SHA1
c023f4f18dba6c3333d540b3e6ad9a8264d9cd8f

SHA256
94ce76ca4f84d03d7ba6a44a295dea093346adc3696437f197fd2cd73d314aeb

SHA512
03dcb2405fb8c97ca72386b6e0da252e50b92f15a27f1bd10cfa97a0a8cab753aff4f35af5669af5a364902b46433179975dd89ac47d7785a4bc3d430484b7d8

Download Submit
memory/1924-60-0x000000000A940000-0x000000000A98C000-memory.dmp

Filesize
304KB

Download
memory/1924-59-0x000000000A7C0000-0x000000000A7FC000-memory.dmp

Filesize
240KB

Download
memory/1924-58-0x000000000A760000-0x000000000A772000-memory.dmp

Filesize
72KB

Download
memory/1924-57-0x000000000A830000-0x000000000A93A000-memory.dmp

Filesize
1.0MB

Download
memory/1924-56-0x000000000ACD0000-0x000000000B2E8000-memory.dmp

Filesize
6.1MB

Download
memory/1924-55-0x0000000001040000-0x0000000001046000-memory.dmp

Filesize
24KB

Download
memory/1924-54-0x0000000000880000-0x00000000008AE000-memory.dmp

Filesize
184KB

Download
memory/4320-34-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-24-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-42-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-40-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-38-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-36-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-48-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-32-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-30-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-28-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-26-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-44-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-22-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-21-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-50-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4320-46-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4320-20-0x0000000004AD0000-0x0000000004AEC000-memory.dmp

Filesize
112KB

Download
memory/4320-19-0x0000000004C20000-0x00000000051C4000-memory.dmp

Filesize
5.6MB

Download
memory/4320-18-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4320-17-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4320-16-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/4320-15-0x0000000002470000-0x000000000248E000-memory.dmp

Filesize
120KB

Download
memory/4320-14-0x000000007445E000-0x000000007445F000-memory.dmp

Filesize
4KB

Download