redline | 6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360

General

Target

6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exe
Size

1.1MB
MD5

663e686e49f9a22580480d8efa738896
SHA1

266d4202f2199ba168938a8706f3032ef51797d4
SHA256

6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360
SHA512

7a683f78427c5ed59319b11dc36b8f8930551840cb7c9b1bb63bd21188b2384c0586ed2cda718a3c42f3ec3a7b5202a7348a3d24bfd3b7139f6df377e48f0fe2
SSDEEP

24576:LyiqLAzsAdK3WE5Bm8wFkuvncDGuN8B9jSIjMmDwNlb1X6WF9:+Daq3m8wFkskK9+IjMmilbR6Y

Score

10^/10

redline doma discovery evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

doma

C2

185.161.248.75:4132

Attributes

auth_value
8be53af7f78567706928d0abef953ef4

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:

k2025056.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k2025056.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k2025056.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k2025056.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k2025056.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k2025056.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k2025056.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
behavioral1/files/0x0007000000023cb5-54.dat	family_redline
behavioral1/memory/5108-56-0x0000000000720000-0x000000000074A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

Processes:

y2586910.exey7351336.exek2025056.exel5713959.exe

pid	Process
4224	y2586910.exe
4744	y7351336.exe
4640	k2025056.exe
5108	l5713959.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

k2025056.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k2025056.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k2025056.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exey2586910.exey7351336.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\\\""	6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.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\\\""	y2586910.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	y7351336.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exe

pid	Process
4476	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

y2586910.exey7351336.exek2025056.exel5713959.exe6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y2586910.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y7351336.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k2025056.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l5713959.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

k2025056.exe

pid	Process
4640	k2025056.exe
4640	k2025056.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

k2025056.exe

description	pid	Process
Token: SeDebugPrivilege	4640	k2025056.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exey2586910.exey7351336.exe

description	pid	Process	procid_target
PID 4196 wrote to memory of 4224	4196	6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exe	83
PID 4196 wrote to memory of 4224	4196	6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exe	83
PID 4196 wrote to memory of 4224	4196	6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exe	83
PID 4224 wrote to memory of 4744	4224	y2586910.exe	84
PID 4224 wrote to memory of 4744	4224	y2586910.exe	84
PID 4224 wrote to memory of 4744	4224	y2586910.exe	84
PID 4744 wrote to memory of 4640	4744	y7351336.exe	86
PID 4744 wrote to memory of 4640	4744	y7351336.exe	86
PID 4744 wrote to memory of 4640	4744	y7351336.exe	86
PID 4744 wrote to memory of 5108	4744	y7351336.exe	96
PID 4744 wrote to memory of 5108	4744	y7351336.exe	96
PID 4744 wrote to memory of 5108	4744	y7351336.exe	96

C:\Users\Admin\AppData\Local\Temp\6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exe
"C:\Users\Admin\AppData\Local\Temp\6a3abfd66ff14191ca0917eae121331769128684e647c3797932f7eb10938360.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2586910.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2586910.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4224
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7351336.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7351336.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4744
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k2025056.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k2025056.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4640
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5713959.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5713959.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:5108

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:4476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2586910.exe

Filesize
748KB

MD5
707431001d12b1811a166d6d4dba26c0

SHA1
fcc4b2abab32beeb18513aa2d4208f9b41eaea4b

SHA256
226f21f9299648c39b78e0fbfd3c302e2e8bfbeb5868da51a367f384c92b3fcf

SHA512
15de44c14125f8f4fabacee5a3a6a090cb6118a4bc369255969f8dcd93990a89f9812faa93f9cf1731a4f4ee73dbdcca40fda576418ca79bc14ad2531af5a352

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7351336.exe

Filesize
304KB

MD5
73893dad0474ae6c6e7a39f593e2ad82

SHA1
56df0dadebe274ca85bdacdbb2e35c050c6b944b

SHA256
481301be84f4195b0475d0d383e338098705af7d8e3bbb4e3688ac1be35154f8

SHA512
4fb462d17516a900862f083f7aa2e1a4341a6b750f7f825ffce6879e03d534a354081e72c0c0dee9ac730e9fe3e98f67a62a2fca4bc37a27411e1f591021c13f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k2025056.exe

Filesize
183KB

MD5
75df6a4aaf5c63bc4f42ac5ec8ecc76a

SHA1
8d9da11aa11364c1b580b12faa446403f527ff83

SHA256
d1d13ff4eabb541a9cfc225beeb1c27d9cd85c8f9849e8d0fece0a4503c63f05

SHA512
72d34a4770cf9885993630f04e83831f4ded666af58cb705c7b1ca4cd7ca95911dec7247e4987c64afc13fee10bcf94fc913bd9a7790edb65c75b01a89bbe8fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l5713959.exe

Filesize
145KB

MD5
b4b9307d083460e0ef4474be62bf9f15

SHA1
3119c4be32230f56a2c0d57579961213b735bf6a

SHA256
d12c6a8bcce8b10c1ce00af948ae6e2015d4811581ea40ef44213b33ee078cbe

SHA512
153a8c056d786913391d5bdda0ce282072440db7fcb996d4d915dd8ab78b0508d8705b001366efb2c13c83de1f61779b5b9c41f6dd1800c830c31c19e48d2b2a

Download Submit
memory/4640-51-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-33-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-37-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-22-0x0000000004B20000-0x00000000050C4000-memory.dmp

Filesize
5.6MB

Download
memory/4640-49-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-47-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-45-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-43-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-41-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-39-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-35-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-23-0x0000000004AD0000-0x0000000004AEC000-memory.dmp

Filesize
112KB

Download
memory/4640-27-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-25-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-24-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-31-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-29-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/4640-21-0x00000000026D0000-0x00000000026EE000-memory.dmp

Filesize
120KB

Download
memory/5108-56-0x0000000000720000-0x000000000074A000-memory.dmp

Filesize
168KB

Download
memory/5108-57-0x0000000005530000-0x0000000005B48000-memory.dmp

Filesize
6.1MB

Download
memory/5108-58-0x00000000050B0000-0x00000000051BA000-memory.dmp

Filesize
1.0MB

Download
memory/5108-59-0x0000000004FE0000-0x0000000004FF2000-memory.dmp

Filesize
72KB

Download
memory/5108-60-0x0000000005060000-0x000000000509C000-memory.dmp

Filesize
240KB

Download
memory/5108-61-0x0000000005000000-0x000000000504C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads