redline | 4de1124a0c0b201907321b44ffbad15b2e2e9ad38b6ae1a833ce56f145c5c177

Analysis

max time kernel
142s
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 11:25

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General

Target

efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe
Size

316KB
MD5

7498fd1b89e795947980b4d0a33ef463
SHA1

3cc3c3d98acade1fcc157c8913b1b8e673618c8d
SHA256

efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec
SHA512

15442f85723457e867531e5dd3b47273d9cb5a7d83402d95f9cba7088e8ee3b155f4b95f510b316ab1497a620cfa6ff1d1c5fc123b5a1743bb78d0b621e55312
SSDEEP

6144:KRy+bnr+9p0yN90QE36vZrMgX3eYK41E8OBURKaJ8:7Mrdy90NmN3rKWOmEaa

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

Processes:

k8144434.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k8144434.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k8144434.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k8144434.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k8144434.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k8144434.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k8144434.exe

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

RedLine payload 2 IoCs

Processes:

resource	yara_rule
behavioral27/files/0x0007000000023400-45.dat	family_redline
behavioral27/memory/4612-48-0x0000000000960000-0x000000000098E000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

Processes:

k8144434.exel5025043.exe

pid	Process
220	k8144434.exe
4612	l5025043.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

k8144434.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k8144434.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k8144434.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe

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\\\""	efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

k8144434.exe

pid	Process
220	k8144434.exe
220	k8144434.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

k8144434.exe

description	pid	Process
Token: SeDebugPrivilege	220	k8144434.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe

description	pid	Process	procid_target
PID 4020 wrote to memory of 220	4020	efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe	83
PID 4020 wrote to memory of 220	4020	efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe	83
PID 4020 wrote to memory of 220	4020	efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe	83
PID 4020 wrote to memory of 4612	4020	efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe	89
PID 4020 wrote to memory of 4612	4020	efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe	89
PID 4020 wrote to memory of 4612	4020	efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe	89

C:\Users\Admin\AppData\Local\Temp\efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe
"C:\Users\Admin\AppData\Local\Temp\efd353ed4e0d760b81c28296fd5aa7a67776e8b003d5edc1e7479f6efd721dec.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k8144434.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k8144434.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:220
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5025043.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5025043.exe
  2⤵
  - Executes dropped EXE
  PID:4612

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\k8144434.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l5025043.exe

Filesize
168KB

MD5
fde65ffc57e295e98aa3f28308c0bbcb

SHA1
440e515ef1faebb00e0478ffd4037abd229c8f80

SHA256
16b3a3b9ebe53e4d39322f8abd6049de024f4366233831055e17452e6fefcb01

SHA512
f3616110b5ebc260c578028861b3bac3f5c622457d26d937db404eb81fcf837c0f6bf33020897ef6244cb1eec7e6d5ebfe43538afc93560f65f0ec97adfc400e

Download Submit
memory/220-31-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-27-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-9-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/220-29-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-39-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-34-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-8-0x00000000020A0000-0x00000000020BE000-memory.dmp

Filesize
120KB

Download
memory/220-24-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-25-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-17-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-15-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-13-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-12-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-21-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-35-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-40-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/220-11-0x0000000004990000-0x00000000049AC000-memory.dmp

Filesize
112KB

Download
memory/220-10-0x0000000004B00000-0x00000000050A4000-memory.dmp

Filesize
5.6MB

Download
memory/220-37-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-19-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/220-41-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/220-43-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/220-7-0x000000007444E000-0x000000007444F000-memory.dmp

Filesize
4KB

Download
memory/4612-47-0x00000000743F0000-0x000000007449B000-memory.dmp

Filesize
684KB

Download
memory/4612-48-0x0000000000960000-0x000000000098E000-memory.dmp

Filesize
184KB

Download
memory/4612-49-0x0000000002C50000-0x0000000002C56000-memory.dmp

Filesize
24KB

Download
memory/4612-50-0x000000000AE10000-0x000000000B428000-memory.dmp

Filesize
6.1MB

Download
memory/4612-51-0x000000000A910000-0x000000000AA1A000-memory.dmp

Filesize
1.0MB

Download
memory/4612-52-0x000000000A840000-0x000000000A852000-memory.dmp

Filesize
72KB

Download
memory/4612-53-0x000000000A8A0000-0x000000000A8DC000-memory.dmp

Filesize
240KB

Download
memory/4612-54-0x00000000743F0000-0x000000007449B000-memory.dmp

Filesize
684KB

Download
memory/4612-55-0x0000000004CB0000-0x0000000004CFC000-memory.dmp

Filesize
304KB

Download
memory/4612-56-0x00000000743F0000-0x000000007449B000-memory.dmp

Filesize
684KB

Download