redline | 4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923

General

Target

4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923.exe
Size

1.1MB
MD5

6eac5894eb55b3b13c856bc6875f1682
SHA1

dd3668f5e5388c9634da9188126408e7d2632459
SHA256

4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923
SHA512

578f5cc66126c259b33fe0fda7d62b713e9c047bb8f2f4ae5b4bdbb84b9d3ef2b60570546bf6c907ddfdf90d54a8048736c218b4f33c40862a4b6dd56b1bb71f
SSDEEP

24576:zyiNYwFYNeSEEg94AI44tBl2KoXkAfL6rzxWK0i:GGYNVEEg9ruefLQZ

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

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k1722132.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k1722132.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k1722132.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k1722132.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k1722132.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k1722132.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
behavioral1/files/0x0007000000023cc5-54.dat	family_redline
behavioral1/memory/1192-56-0x00000000005B0000-0x00000000005DA000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3052	y2667804.exe
244	y6210539.exe
3912	k1722132.exe
1192	l4309069.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	k1722132.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k1722132.exe

Adds Run key to start application 2 TTPs 3 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\\\""	4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923.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\\\""	y2667804.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\\\""	y6210539.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y2667804.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y6210539.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k1722132.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l4309069.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3912	k1722132.exe
3912	k1722132.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3912	k1722132.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 3052	1108	4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923.exe	83
PID 1108 wrote to memory of 3052	1108	4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923.exe	83
PID 1108 wrote to memory of 3052	1108	4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923.exe	83
PID 3052 wrote to memory of 244	3052	y2667804.exe	84
PID 3052 wrote to memory of 244	3052	y2667804.exe	84
PID 3052 wrote to memory of 244	3052	y2667804.exe	84
PID 244 wrote to memory of 3912	244	y6210539.exe	85
PID 244 wrote to memory of 3912	244	y6210539.exe	85
PID 244 wrote to memory of 3912	244	y6210539.exe	85
PID 244 wrote to memory of 1192	244	y6210539.exe	96
PID 244 wrote to memory of 1192	244	y6210539.exe	96
PID 244 wrote to memory of 1192	244	y6210539.exe	96

C:\Users\Admin\AppData\Local\Temp\4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923.exe
"C:\Users\Admin\AppData\Local\Temp\4c02148972e6c9df5357b6c7956cae6436f8d25860324a14f969591a7dfe4923.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2667804.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2667804.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6210539.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6210539.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:244
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k1722132.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k1722132.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:3912
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l4309069.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l4309069.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1192

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\y2667804.exe

Filesize
748KB

MD5
60f0958862abd31ff790b3372541992b

SHA1
7846532d4a2febcbbfbae0328dc6d38be0873b3a

SHA256
3af759c2f292e094c819ce0e2ff10e2a53d3a2ed242a752edb2781b918c76e68

SHA512
1d0d058cee40b46bd8b7e74813e6de3ebb3e027bf0f3e504326350bc6b8c8245b785e70f815fab605dce63a4586a85a94a0195d22b6475c7825f182f564e9a36

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y6210539.exe

Filesize
305KB

MD5
3c5216c9a7bf4bf047be62145778fce6

SHA1
d42bd7dceaf09362b79d1976fec452d6ce46c1c6

SHA256
3e65259040c03a940ad88247ff4b44828d43881e63ce936801c3ae06b0719633

SHA512
ce0996051a4a8159dbf739548bf55d8cf9a79e257723e2bb1032fd646cfc4251bfe9856a1e8f2dbe6aaf9ac0b9780dcdc7bfec74bd3b12921edddd681b622ae6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k1722132.exe

Filesize
183KB

MD5
d18dd7e957d8eab39abe21eefd498331

SHA1
2d7b11252dbb1ed8cefff8d63d447b0f697a0060

SHA256
57f8f54609021997865fed724894ad76b78b39a48a51b47a1d97a92eb836c440

SHA512
c383080be8f9fbb5fd313204cc47ca9ecca8b6148362aa5ef76c219217971184472d0c4be2f1d7e9c9fbee561079b34357346507ddb882d779b06741a5ad0581

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l4309069.exe

Filesize
145KB

MD5
afb94b51c2389bbed23878a30f698e89

SHA1
2dd8bbd6565aae5266320c971bb2492680bd64c5

SHA256
876524fcbaab32aae8bacc5b26c9a32c1613385871aca46380429402d6ccbd80

SHA512
8f95cbe9d44b237de2ebe44571af59f3bfaa22f5565b4ec2d7d828fc599f0853117c28ce82e44de8fb23b8eae808fa874a37e3306409308a357e78aa53786cc7

Download Submit
memory/1192-61-0x0000000005050000-0x000000000509C000-memory.dmp

Filesize
304KB

Download
memory/1192-60-0x0000000004EF0000-0x0000000004F2C000-memory.dmp

Filesize
240KB

Download
memory/1192-59-0x0000000004E70000-0x0000000004E82000-memory.dmp

Filesize
72KB

Download
memory/1192-58-0x0000000004F40000-0x000000000504A000-memory.dmp

Filesize
1.0MB

Download
memory/1192-57-0x00000000053C0000-0x00000000059D8000-memory.dmp

Filesize
6.1MB

Download
memory/1192-56-0x00000000005B0000-0x00000000005DA000-memory.dmp

Filesize
168KB

Download
memory/3912-37-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-45-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-41-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-39-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-35-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-33-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-31-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-29-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-27-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-43-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-24-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-47-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-50-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-51-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-25-0x0000000004990000-0x00000000049A6000-memory.dmp

Filesize
88KB

Download
memory/3912-23-0x0000000004990000-0x00000000049AC000-memory.dmp

Filesize
112KB

Download
memory/3912-22-0x00000000049C0000-0x0000000004F64000-memory.dmp

Filesize
5.6MB

Download
memory/3912-21-0x0000000002370000-0x000000000238E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads