redline | 525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175

General

Target

525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175.exe
Size

1.1MB
MD5

c57cea4f326050854b05b3e323539412
SHA1

29f5113b14363592f3186a928c2f70b7ad52bd1a
SHA256

525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175
SHA512

bf5d2b2c29e8cd897a29258879ee8d1aa875610e43a5bf24fed5afbbe9f847a55c91b2c7aca75e889bf987343e696c11ebfd19cbd65c63e141df767d0ace260e
SSDEEP

24576:5yz7eYIDsEXfmKL5FksGX1uvjC1Ltfki5TPZfUtBq7qs:s/eYIDrXfmi5FkbMvMlkkVcu

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	k0260039.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k0260039.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k0260039.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k0260039.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k0260039.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k0260039.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/0x000a000000023b8a-54.dat	family_redline
behavioral1/memory/4644-56-0x0000000000770000-0x000000000079A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
648	y6126469.exe
3064	y1217054.exe
4052	k0260039.exe
4644	l9402363.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	k0260039.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k0260039.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\\\""	525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175.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\\\""	y6126469.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\\\""	y1217054.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	525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y6126469.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	y1217054.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k0260039.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	l9402363.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4052	k0260039.exe
4052	k0260039.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4052	k0260039.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 648	4140	525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175.exe	85
PID 4140 wrote to memory of 648	4140	525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175.exe	85
PID 4140 wrote to memory of 648	4140	525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175.exe	85
PID 648 wrote to memory of 3064	648	y6126469.exe	86
PID 648 wrote to memory of 3064	648	y6126469.exe	86
PID 648 wrote to memory of 3064	648	y6126469.exe	86
PID 3064 wrote to memory of 4052	3064	y1217054.exe	88
PID 3064 wrote to memory of 4052	3064	y1217054.exe	88
PID 3064 wrote to memory of 4052	3064	y1217054.exe	88
PID 3064 wrote to memory of 4644	3064	y1217054.exe	93
PID 3064 wrote to memory of 4644	3064	y1217054.exe	93
PID 3064 wrote to memory of 4644	3064	y1217054.exe	93

C:\Users\Admin\AppData\Local\Temp\525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175.exe
"C:\Users\Admin\AppData\Local\Temp\525bf344f36662d6e623f459a36295cb2571ae09d90d0800fe0182b0f5563175.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6126469.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y6126469.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:648
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1217054.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1217054.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3064
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k0260039.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k0260039.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:4052
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9402363.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9402363.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4644

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\y6126469.exe

Filesize
749KB

MD5
7b306346a3ef0de61a1f9039a6711a34

SHA1
5784fe61262fda76bf453a0f073a58c637ccf9d0

SHA256
1d3d252e50e1935cb569c77215789fed9ebdf4b9d96c8bd910a4a07fd6e6d26a

SHA512
11b92c8c30a4bdc32a1c489d0335e58559a42ca50f72311a7d7d09d03110b20d05d12f65f4bbbeba0e2482fbedcd04fa90be4470641ee42d0fe389ba30291a93

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y1217054.exe

Filesize
304KB

MD5
866dce93ef46682c90043b676328f475

SHA1
82b065995851888a32330d2c6314d96af954a80d

SHA256
3343bab9181827f3f85067afb6a67b13cc8f24700ecdc83301c614a0867764c6

SHA512
3801c9c975006a8b76941151a2e602fb7825e3a8cbbba114eb307661068fb0220780e4bcfb648c748dd96ea0bb6297c6b2565228f6fc975e63389f9f54792f45

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k0260039.exe

Filesize
183KB

MD5
75df6a4aaf5c63bc4f42ac5ec8ecc76a

SHA1
8d9da11aa11364c1b580b12faa446403f527ff83

SHA256
d1d13ff4eabb541a9cfc225beeb1c27d9cd85c8f9849e8d0fece0a4503c63f05

SHA512
72d34a4770cf9885993630f04e83831f4ded666af58cb705c7b1ca4cd7ca95911dec7247e4987c64afc13fee10bcf94fc913bd9a7790edb65c75b01a89bbe8fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l9402363.exe

Filesize
145KB

MD5
1d85bfcb0dc18ed17a245fb1ed801b34

SHA1
05cfaa1a7a909f8f88f0d30f33ee4642bfb0ef94

SHA256
f0c7e0b6363bbeb33b9a221f513967e559db4658348ea3edcb6dcbceb7844f88

SHA512
b5881a666e816c3e2c6599b48a6a126098c779422b1c4f92a027d6f7119c72dfa08eddeedbb4b1fc583411970b9926460130be7923e21d6dadb4d941ccbea84e

Download Submit
memory/4052-51-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-33-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-49-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-22-0x0000000004B10000-0x00000000050B4000-memory.dmp

Filesize
5.6MB

Download
memory/4052-47-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-45-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-43-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-41-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-40-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-37-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-36-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-23-0x0000000002260000-0x000000000227C000-memory.dmp

Filesize
112KB

Download
memory/4052-31-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-29-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-27-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-26-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-24-0x0000000002260000-0x0000000002276000-memory.dmp

Filesize
88KB

Download
memory/4052-21-0x0000000002170000-0x000000000218E000-memory.dmp

Filesize
120KB

Download
memory/4644-56-0x0000000000770000-0x000000000079A000-memory.dmp

Filesize
168KB

Download
memory/4644-57-0x00000000056C0000-0x0000000005CD8000-memory.dmp

Filesize
6.1MB

Download
memory/4644-58-0x0000000005240000-0x000000000534A000-memory.dmp

Filesize
1.0MB

Download
memory/4644-59-0x0000000005170000-0x0000000005182000-memory.dmp

Filesize
72KB

Download
memory/4644-60-0x00000000051E0000-0x000000000521C000-memory.dmp

Filesize
240KB

Download
memory/4644-61-0x0000000005350000-0x000000000539C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads