redline | e7f6f5bdc43ac7d3592abd41c145023459c70f3386ead747bf12a8d4eef69995

Analysis

max time kernel
142s
max time network
158s
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 10:53

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General

Target

58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe
Size

316KB
MD5

86da2c21503fddafa0b106963f6d1791
SHA1

d7eed4ba91e50833b01611ae8a8dd088cd086e75
SHA256

58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1
SHA512

63d744a515c7643cb3db897d8b83cdfb3fd591d0bcf9c4511344fb7c808caf7ad101cea2cd2a00f02fa87b5d23c7556f52591561d7414c4f320f1a98811f879f
SSDEEP

6144:KXy+bnr+Rp0yN90QEf6vZrMgX3eYK41E8OBURKaJy:VMrZy90NmN3rKWOmEaU

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	k9617181.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k9617181.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k9617181.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k9617181.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k9617181.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k9617181.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
behavioral9/files/0x0007000000023445-46.dat	family_redline
behavioral9/memory/3728-47-0x0000000000D90000-0x0000000000DBE000-memory.dmp	family_redline

Executes dropped EXE 2 IoCs

pid	Process
2968	k9617181.exe
3728	l7299876.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	k9617181.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k9617181.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\\\""	58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2968	k9617181.exe
2968	k9617181.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	k9617181.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2968	2828	58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe	86
PID 2828 wrote to memory of 2968	2828	58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe	86
PID 2828 wrote to memory of 2968	2828	58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe	86
PID 2828 wrote to memory of 3728	2828	58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe	97
PID 2828 wrote to memory of 3728	2828	58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe	97
PID 2828 wrote to memory of 3728	2828	58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe	97

C:\Users\Admin\AppData\Local\Temp\58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe
"C:\Users\Admin\AppData\Local\Temp\58538be19fa40ec83a9d96c6576c8198302e1cf5f48359fca0b7b25ac749fbb1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k9617181.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\k9617181.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7299876.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7299876.exe
  2⤵
  - Executes dropped EXE
  PID:3728

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\k9617181.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\l7299876.exe

Filesize
168KB

MD5
6e66170d78acf5be943c1fe04302125c

SHA1
3b51862aef52253ddc9c6352d8d6d00b2bef948f

SHA256
65e6e029a47b487ba381d8d11eb5b5e6ac5629a2d46bb985fe8aa6c932ff9e58

SHA512
1a22bb55e5d7b79293046ae41c9f141edce1a50e3c10fac6abc57ddba19bf83d8d667e1bb3945f324055b0f94905e78e9974d5ccc15703f3d9a5443be0a5b987

Download Submit
memory/2968-37-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-40-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2968-9-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2968-41-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2968-13-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-39-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-8-0x0000000002240000-0x000000000225E000-memory.dmp

Filesize
120KB

Download
memory/2968-29-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-33-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-31-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-27-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-25-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-23-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-21-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-12-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-35-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-11-0x0000000004F60000-0x0000000004F7C000-memory.dmp

Filesize
112KB

Download
memory/2968-10-0x00000000049B0000-0x0000000004F54000-memory.dmp

Filesize
5.6MB

Download
memory/2968-17-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-19-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-15-0x0000000004F60000-0x0000000004F76000-memory.dmp

Filesize
88KB

Download
memory/2968-43-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/2968-7-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/3728-47-0x0000000000D90000-0x0000000000DBE000-memory.dmp

Filesize
184KB

Download
memory/3728-48-0x0000000074AB0000-0x0000000074B5B000-memory.dmp

Filesize
684KB

Download
memory/3728-49-0x0000000001410000-0x0000000001416000-memory.dmp

Filesize
24KB

Download
memory/3728-50-0x0000000005E60000-0x0000000006478000-memory.dmp

Filesize
6.1MB

Download
memory/3728-52-0x0000000005860000-0x0000000005872000-memory.dmp

Filesize
72KB

Download
memory/3728-51-0x0000000005950000-0x0000000005A5A000-memory.dmp

Filesize
1.0MB

Download
memory/3728-53-0x0000000074AB0000-0x0000000074B5B000-memory.dmp

Filesize
684KB

Download
memory/3728-54-0x00000000058C0000-0x00000000058FC000-memory.dmp

Filesize
240KB

Download
memory/3728-55-0x0000000005900000-0x000000000594C000-memory.dmp

Filesize
304KB

Download
memory/3728-56-0x0000000074AB0000-0x0000000074B5B000-memory.dmp

Filesize
684KB

Download