redline | b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc

General

Target

b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc.exe
Size

1.1MB
MD5

57da9d585d41c86ef3f626179430ba2a
SHA1

1d4ffab9c098fe069705666ca1dc88d84e3a58fc
SHA256

b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc
SHA512

116e85a0ac18fcdd4ba1e90325e6e3a36ecf12c7471a99b2aa32e9f2c77ba9e75a92b280c54936b65bb1ecf71c17b2346908aac81a3932f67a5e036727fc8ead
SSDEEP

24576:pyEtlMW4iX7gLFkPXhapSlmBd0nPPeuIhH8OrcTGSta8uWt:cwpmLFkPXSFg+hH8mya8uW

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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k6834974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k6834974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k6834974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k6834974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k6834974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k6834974.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/0x000a000000023ba4-54.dat	family_redline
behavioral1/memory/2700-56-0x0000000000760000-0x000000000078A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
3280	y6179775.exe
4032	y0590533.exe
228	k6834974.exe
2700	l7943617.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	k6834974.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k6834974.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\\\""	b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc.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\\\""	y6179775.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\\\""	y0590533.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	b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y6179775.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y0590533.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k6834974.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l7943617.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
228	k6834974.exe
228	k6834974.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	228	k6834974.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 3280	5044	b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc.exe	84
PID 5044 wrote to memory of 3280	5044	b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc.exe	84
PID 5044 wrote to memory of 3280	5044	b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc.exe	84
PID 3280 wrote to memory of 4032	3280	y6179775.exe	85
PID 3280 wrote to memory of 4032	3280	y6179775.exe	85
PID 3280 wrote to memory of 4032	3280	y6179775.exe	85
PID 4032 wrote to memory of 228	4032	y0590533.exe	87
PID 4032 wrote to memory of 228	4032	y0590533.exe	87
PID 4032 wrote to memory of 228	4032	y0590533.exe	87
PID 4032 wrote to memory of 2700	4032	y0590533.exe	93
PID 4032 wrote to memory of 2700	4032	y0590533.exe	93
PID 4032 wrote to memory of 2700	4032	y0590533.exe	93

C:\Users\Admin\AppData\Local\Temp\b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc.exe
"C:\Users\Admin\AppData\Local\Temp\b9a329a9a6480c6bed7a2b9a1edd64cd809a24d1a60fb92673196407f2f4e9bc.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6179775.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6179775.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3280
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0590533.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0590533.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4032
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6834974.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6834974.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:228
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l7943617.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l7943617.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2700

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\y6179775.exe

Filesize
749KB

MD5
6c5e911d802dee08c7845553d5fb6c3a

SHA1
f3e9cd21e20879e6aff4082c41d1b6a77e2d7741

SHA256
d506e0d0e6fcd15627fefefef7bb443b1f7a7ddcc3387efadcca7a1e27822cc7

SHA512
07c85ee624a6c0a0a12edfb6b615b076c4da99504b7aae51b6e9935aa39e9dfafdf1e2302fc3ce1e3115b2b99c5acf84ccb301af35656bd71bfba2ff740971aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y0590533.exe

Filesize
304KB

MD5
2419d2e7f2791217cc76fe4ce91376b4

SHA1
9007fb536ed6040854079cbf4e0e28b2caf60261

SHA256
f4d3265a657b7cc2f4c729adab257362efa43af3970042f5e8f5704b9ef1d8d6

SHA512
b7c92c2abe6840238aa6a48691566045f6f5d5c6739213f15e898493ef5b4caa8542679c7330df9e6dc7da42f95f0ab78f5dd7836c20018eb17923da1e861fee

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k6834974.exe

Filesize
183KB

MD5
75df6a4aaf5c63bc4f42ac5ec8ecc76a

SHA1
8d9da11aa11364c1b580b12faa446403f527ff83

SHA256
d1d13ff4eabb541a9cfc225beeb1c27d9cd85c8f9849e8d0fece0a4503c63f05

SHA512
72d34a4770cf9885993630f04e83831f4ded666af58cb705c7b1ca4cd7ca95911dec7247e4987c64afc13fee10bcf94fc913bd9a7790edb65c75b01a89bbe8fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l7943617.exe

Filesize
145KB

MD5
f117bebfd34d9fd85a275b2be0aad138

SHA1
905c264069c8bb96e5448ef6166225eb91257458

SHA256
fc0f22fd45f348f861756620e9d5ef0446205aff0891925dba6c245764b18aab

SHA512
21aa383452e793cb3034d8e331be614beeed7b60fe78c61735009f9b6894fc5479b5c7fb9d64b6e787bb0686e1c85c9ea948f1b3fae4573743721de5dadd6317

Download Submit
memory/228-51-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-31-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-47-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-22-0x0000000004B50000-0x00000000050F4000-memory.dmp

Filesize
5.6MB

Download
memory/228-49-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-45-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-43-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-41-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-39-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-35-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-33-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-23-0x0000000002310000-0x000000000232C000-memory.dmp

Filesize
112KB

Download
memory/228-29-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-27-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-25-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-24-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-37-0x0000000002310000-0x0000000002326000-memory.dmp

Filesize
88KB

Download
memory/228-21-0x00000000021B0000-0x00000000021CE000-memory.dmp

Filesize
120KB

Download
memory/2700-56-0x0000000000760000-0x000000000078A000-memory.dmp

Filesize
168KB

Download
memory/2700-57-0x00000000056C0000-0x0000000005CD8000-memory.dmp

Filesize
6.1MB

Download
memory/2700-58-0x0000000005230000-0x000000000533A000-memory.dmp

Filesize
1.0MB

Download
memory/2700-59-0x0000000005160000-0x0000000005172000-memory.dmp

Filesize
72KB

Download
memory/2700-60-0x00000000051C0000-0x00000000051FC000-memory.dmp

Filesize
240KB

Download
memory/2700-61-0x0000000005340000-0x000000000538C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads