redline | 15da805913716df9c587eca175c626571489f023cb679b69ed646c3e95ab5567

Analysis

max time kernel
142s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
13-05-2024 11:47

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General

Target

6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe
Size

316KB
MD5

c13ab6261c8e7b7b6174fb70648b1d0f
SHA1

1c74fde2abadc91323c2b67cfd4e7f6fcb6af361
SHA256

6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad
SHA512

daf136cdce7e32781e8ca92685bfdde573332123922331c82fadbcc096f64dbe662fc31e7907e57d488c7ae650593f8cb67d92d70ce89621490448d662e598d1
SSDEEP

6144:Kvy+bnr+hp0yN90QEY6vZrMgX3eYK41E8OBURKaJZJ:lMrxy90emN3rKWOmEa/J

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	k5504040.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k5504040.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k5504040.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k5504040.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k5504040.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k5504040.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
behavioral16/files/0x000700000002343a-45.dat	family_redline
behavioral16/memory/3124-47-0x0000000000AB0000-0x0000000000ADE000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
4088	k5504040.exe
3124	l1303430.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	k5504040.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k5504040.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\\\""	6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4088	k5504040.exe
4088	k5504040.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4088	k5504040.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 4088	1308	6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe	82
PID 1308 wrote to memory of 4088	1308	6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe	82
PID 1308 wrote to memory of 4088	1308	6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe	82
PID 1308 wrote to memory of 3124	1308	6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe	98
PID 1308 wrote to memory of 3124	1308	6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe	98
PID 1308 wrote to memory of 3124	1308	6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe	98

C:\Users\Admin\AppData\Local\Temp\6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe
"C:\Users\Admin\AppData\Local\Temp\6db47e78576c4401e9d49332fe0479198b85c1913b8a65624e06be057a343bad.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k5504040.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k5504040.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4088
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1303430.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1303430.exe
  2⤵
  - Executes dropped EXE
  PID:3124

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\k5504040.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l1303430.exe

Filesize
168KB

MD5
04293ab79687c48293e2d9324b857c96

SHA1
7c7666d3de6cbfeb2c6b3dce41309be75d363929

SHA256
360fe0a25231f16b7db00bf93e8361d71e687da961452a555c338fa5466d8e4f

SHA512
f72f3f62f802c44fe3edbfe5c824a29381ec401fb107879863f81f26f32142c4665e0cf5887ce1ef01e9756acb7b2463180c71f363ae8155644816376beb55a2

Download Submit
memory/3124-56-0x0000000074110000-0x00000000741BB000-memory.dmp

Filesize
684KB

Download
memory/3124-55-0x0000000005610000-0x000000000565C000-memory.dmp

Filesize
304KB

Download
memory/3124-54-0x0000000005490000-0x00000000054CC000-memory.dmp

Filesize
240KB

Download
memory/3124-52-0x0000000005430000-0x0000000005442000-memory.dmp

Filesize
72KB

Download
memory/3124-53-0x0000000074110000-0x00000000741BB000-memory.dmp

Filesize
684KB

Download
memory/3124-51-0x0000000005500000-0x000000000560A000-memory.dmp

Filesize
1.0MB

Download
memory/3124-50-0x0000000005A10000-0x0000000006028000-memory.dmp

Filesize
6.1MB

Download
memory/3124-48-0x0000000074110000-0x00000000741BB000-memory.dmp

Filesize
684KB

Download
memory/3124-49-0x00000000053D0000-0x00000000053D6000-memory.dmp

Filesize
24KB

Download
memory/3124-47-0x0000000000AB0000-0x0000000000ADE000-memory.dmp

Filesize
184KB

Download
memory/4088-39-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-43-0x0000000074160000-0x0000000074910000-memory.dmp

Filesize
7.7MB

Download
memory/4088-27-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-25-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-23-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-21-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-19-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-17-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-15-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-14-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-13-0x0000000074160000-0x0000000074910000-memory.dmp

Filesize
7.7MB

Download
memory/4088-29-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-31-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-33-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-35-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-37-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-41-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/4088-12-0x0000000074160000-0x0000000074910000-memory.dmp

Filesize
7.7MB

Download
memory/4088-11-0x0000000004990000-0x00000000049AC000-memory.dmp

Filesize
112KB

Download
memory/4088-9-0x0000000074160000-0x0000000074910000-memory.dmp

Filesize
7.7MB

Download
memory/4088-10-0x0000000004A00000-0x0000000004FA4000-memory.dmp

Filesize
5.6MB

Download
memory/4088-8-0x00000000023D0000-0x00000000023EE000-memory.dmp

Filesize
120KB

Download
memory/4088-7-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download