redline | e7f6f5bdc43ac7d3592abd41c145023459c70f3386ead747bf12a8d4eef69995

Analysis

max time kernel
142s
max time network
153s
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 10:53

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General

Target

2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe
Size

316KB
MD5

882d286f0c6f245572eb0481657d90db
SHA1

21e9879f7ccd03b084bf8376a7facdfb03ee1040
SHA256

2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026
SHA512

d4936c477106ed874097dac7c040bf8db82fe942771c654c30d7d6e427588bf5eb1c0d00db75c03c588de20477db426d3651deb8776f30a5176f46238bf702e0
SSDEEP

6144:Koy+bnr+jp0yN90QEq6vZrMgX3eYK41E8OBURKaJCd:wMr3y90YmN3rKWOmEawd

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\DisableIOAVProtection = "1"	k8923991.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k8923991.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k8923991.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k8923991.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k8923991.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k8923991.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
behavioral4/files/0x0007000000023410-44.dat	family_redline
behavioral4/memory/4644-46-0x0000000000850000-0x000000000087E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
1052	k8923991.exe
4644	l0524916.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	k8923991.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k8923991.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\\\""	2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1052	k8923991.exe
1052	k8923991.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	k8923991.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 1052	4796	2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe	84
PID 4796 wrote to memory of 1052	4796	2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe	84
PID 4796 wrote to memory of 1052	4796	2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe	84
PID 4796 wrote to memory of 4644	4796	2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe	88
PID 4796 wrote to memory of 4644	4796	2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe	88
PID 4796 wrote to memory of 4644	4796	2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe	88

C:\Users\Admin\AppData\Local\Temp\2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe
"C:\Users\Admin\AppData\Local\Temp\2489ba0556a2d308110025f336bb741c15538f7a7711d47ebb9765ce58c94026.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k8923991.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k8923991.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1052
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l0524916.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l0524916.exe
  2⤵
  - Executes dropped EXE
  PID:4644

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\k8923991.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l0524916.exe

Filesize
168KB

MD5
8f65373eda715e309f92cc1ef793c240

SHA1
82037b874405f43ca271d87a2a48e71a758bb872

SHA256
c24505fd7cce9e106532ee16169a635209ed84d7985a1b622690c87fbd1043e4

SHA512
34a1f94d14b509924ff6baaddb81cb6f64a415c85bdb697cdb5cdde8cd84deb6a91230e952e434906a071ef4a8f993909c61004f5a8e29a1bc5644059fd9248b

Download Submit
memory/1052-19-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-25-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-10-0x0000000004BA0000-0x0000000005144000-memory.dmp

Filesize
5.6MB

Download
memory/1052-11-0x00000000025E0000-0x00000000025FC000-memory.dmp

Filesize
112KB

Download
memory/1052-39-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-37-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-15-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-33-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-31-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-29-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-27-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-17-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-23-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-21-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-8-0x00000000022E0000-0x00000000022FE000-memory.dmp

Filesize
120KB

Download
memory/1052-9-0x0000000073D50000-0x0000000074500000-memory.dmp

Filesize
7.7MB

Download
memory/1052-35-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-13-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-40-0x0000000073D50000-0x0000000074500000-memory.dmp

Filesize
7.7MB

Download
memory/1052-12-0x00000000025E0000-0x00000000025F6000-memory.dmp

Filesize
88KB

Download
memory/1052-42-0x0000000073D50000-0x0000000074500000-memory.dmp

Filesize
7.7MB

Download
memory/1052-7-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

Filesize
4KB

Download
memory/4644-53-0x000000000A790000-0x000000000A7CC000-memory.dmp

Filesize
240KB

Download
memory/4644-46-0x0000000000850000-0x000000000087E000-memory.dmp

Filesize
184KB

Download
memory/4644-48-0x0000000002A30000-0x0000000002A36000-memory.dmp

Filesize
24KB

Download
memory/4644-49-0x000000000AD30000-0x000000000B348000-memory.dmp

Filesize
6.1MB

Download
memory/4644-50-0x000000000A820000-0x000000000A92A000-memory.dmp

Filesize
1.0MB

Download
memory/4644-51-0x0000000073D00000-0x0000000073DAB000-memory.dmp

Filesize
684KB

Download
memory/4644-52-0x000000000A730000-0x000000000A742000-memory.dmp

Filesize
72KB

Download
memory/4644-47-0x0000000073D00000-0x0000000073DAB000-memory.dmp

Filesize
684KB

Download
memory/4644-54-0x0000000004BA0000-0x0000000004BEC000-memory.dmp

Filesize
304KB

Download
memory/4644-55-0x0000000073D00000-0x0000000073DAB000-memory.dmp

Filesize
684KB

Download