redline | fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9 | Triage

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2023, 20:38 UTC

Sharing

Report Analysis Logs

General

Target

fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9.exe
Size

690KB
MD5

8cb991d44f83950d56b05c5513480254
SHA1

91861e9496f01a1681d9c1239f3ac4d7803c6883
SHA256

fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9
SHA512

75e97aa1adc0a96f21816fee16a821fbd2e10921f0a989eb509274284da2b8017758e76369829438d1e25e8bc288d1b4536c2320258c7ae5b00fe8a84eab5336
SSDEEP

12288:3y90dmJsQJUcyKb+/83yb1E/VIE80qKR2ymJOD7zLSvuH:3yrOc7+QdIZk2ycO//H

Score

10^/10

redline evasion infostealer persistence stealer trojan

Malware Config

Signatures

Detects Redline Stealer samples 1 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

resource	yara_rule
behavioral2/memory/1080-983-0x00000000075E0000-0x0000000007BF8000-memory.dmp	redline_stealer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

Modify Registry

Modify Existing Service

Disabling Security Tools

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	94857262.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	94857262.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	94857262.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	94857262.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	94857262.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	94857262.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

Executes dropped EXE 3 IoCs

pid	Process
2344	un302444.exe
1172	94857262.exe
1080	rk139230.exe

Windows security modification 2 TTPs 2 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	94857262.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	94857262.exe

Adds Run key to start application 2 TTPs 4 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9.exe
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\\\""	fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un302444.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\\\""	un302444.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1620	1172	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1172	94857262.exe
1172	94857262.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1172	94857262.exe
Token: SeDebugPrivilege	1080	rk139230.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 2344	740	fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9.exe	83
PID 740 wrote to memory of 2344	740	fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9.exe	83
PID 740 wrote to memory of 2344	740	fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9.exe	83
PID 2344 wrote to memory of 1172	2344	un302444.exe	84
PID 2344 wrote to memory of 1172	2344	un302444.exe	84
PID 2344 wrote to memory of 1172	2344	un302444.exe	84
PID 2344 wrote to memory of 1080	2344	un302444.exe	87
PID 2344 wrote to memory of 1080	2344	un302444.exe	87
PID 2344 wrote to memory of 1080	2344	un302444.exe	87

C:\Users\Admin\AppData\Local\Temp\fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9.exe
"C:\Users\Admin\AppData\Local\Temp\fcf6613a3454512e24632047ce20c9ad3098ac76511b2f2abc68d42c4667b0e9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un302444.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un302444.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\94857262.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\94857262.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1172
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1172 -s 1080
      4⤵
      Program crash
      PID:1620
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk139230.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk139230.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1172 -ip 1172
1⤵
PID:760

Network

DNS

97.17.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

97.17.167.52.in-addr.arpa

IN PTR

Response
DNS

68.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

68.159.190.20.in-addr.arpa

IN PTR

Response
DNS

1.77.109.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

1.77.109.52.in-addr.arpa

IN PTR

Response

20.190.159.0:443

260 B
5
185.161.248.143:38452

rk139230.exe

260 B
5
52.242.101.226:443

260 B
5
51.11.192.49:443

322 B
7
185.161.248.143:38452

rk139230.exe

260 B
5
173.223.113.164:443

322 B
7
204.79.197.203:80

322 B
7
52.242.101.226:443

260 B
5
8.238.177.126:80

322 B
7
185.161.248.143:38452

rk139230.exe

260 B
5
52.242.101.226:443

260 B
5
185.161.248.143:38452

rk139230.exe

260 B
5
52.242.101.226:443

260 B
5
185.161.248.143:38452

rk139230.exe

260 B
5
52.242.101.226:443

260 B
5
185.161.248.143:38452

rk139230.exe

260 B
5
52.242.101.226:443

208 B
4

8.8.8.8:53

97.17.167.52.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

97.17.167.52.in-addr.arpa
8.8.8.8:53

68.159.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

68.159.190.20.in-addr.arpa
8.8.8.8:53

1.77.109.52.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

1.77.109.52.in-addr.arpa

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un302444.exe

Filesize
536KB

MD5
5b573a4889bcbb8b0ad137a2fd9ec438

SHA1
4ea6de70e2655e92864e229e5aa6c833d214a907

SHA256
efec0406db2fe14f8c3e976c0ff96a7acd01cfb7b7ccf5bba8e26498659e81ea

SHA512
1c9ff76d42095f0c2951643e01edf91d27290c69c6b55fae6f08cdd7bbc6c92929fb81f4e881c543de0ecc46765a9d16dc27fa01ecb9e8e6026dd111ae782231

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un302444.exe

Filesize
536KB

MD5
5b573a4889bcbb8b0ad137a2fd9ec438

SHA1
4ea6de70e2655e92864e229e5aa6c833d214a907

SHA256
efec0406db2fe14f8c3e976c0ff96a7acd01cfb7b7ccf5bba8e26498659e81ea

SHA512
1c9ff76d42095f0c2951643e01edf91d27290c69c6b55fae6f08cdd7bbc6c92929fb81f4e881c543de0ecc46765a9d16dc27fa01ecb9e8e6026dd111ae782231

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\94857262.exe

Filesize
259KB

MD5
086fdf0ed9298523e0e464c697a83d9b

SHA1
f01b5e2a786ee2dd6d9c4b5b6d0e4eabe97d87c1

SHA256
c6f2cc98fa6815449d730618fa1ef41a81a0fe7bdebcc5f41b11a22d1ce5839a

SHA512
c4849d796beb812eeddbb984976c6bf9350ac0822c0ed49fb332909fb094943c9485d4147eedbc2ab95e9ded09f9dc91c0233a88a5d6baa813eb3988704b2091

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\94857262.exe

Filesize
259KB

MD5
086fdf0ed9298523e0e464c697a83d9b

SHA1
f01b5e2a786ee2dd6d9c4b5b6d0e4eabe97d87c1

SHA256
c6f2cc98fa6815449d730618fa1ef41a81a0fe7bdebcc5f41b11a22d1ce5839a

SHA512
c4849d796beb812eeddbb984976c6bf9350ac0822c0ed49fb332909fb094943c9485d4147eedbc2ab95e9ded09f9dc91c0233a88a5d6baa813eb3988704b2091

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk139230.exe

Filesize
341KB

MD5
661c757d3f34b1ada0fef0b536f263fc

SHA1
66d9cc199fe247540d730db57eaeab7fea3c6cc2

SHA256
02d5a4364bb851f2688b58b60d56b009f0b2c50c3cdce9be505842a11dcce7c0

SHA512
acb6f126a66d2aa7abaf65cecf5c3e29c1ff9b4f7f6c49e0a2794123383fc0fe55374d848ae522d6a0212318020f08bf962ba894ab3dd5e36e78a32ddd6ff5f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk139230.exe

Filesize
341KB

MD5
661c757d3f34b1ada0fef0b536f263fc

SHA1
66d9cc199fe247540d730db57eaeab7fea3c6cc2

SHA256
02d5a4364bb851f2688b58b60d56b009f0b2c50c3cdce9be505842a11dcce7c0

SHA512
acb6f126a66d2aa7abaf65cecf5c3e29c1ff9b4f7f6c49e0a2794123383fc0fe55374d848ae522d6a0212318020f08bf962ba894ab3dd5e36e78a32ddd6ff5f2

Download Submit
memory/1080-216-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-220-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-991-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/1080-990-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/1080-989-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/1080-987-0x0000000007D10000-0x0000000007D4C000-memory.dmp

Filesize
240KB

Download
memory/1080-986-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/1080-985-0x0000000007C00000-0x0000000007D0A000-memory.dmp

Filesize
1.0MB

Download
memory/1080-194-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-983-0x00000000075E0000-0x0000000007BF8000-memory.dmp

Filesize
6.1MB

Download
memory/1080-379-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/1080-376-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/1080-377-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/1080-374-0x0000000000730000-0x0000000000776000-memory.dmp

Filesize
280KB

Download
memory/1080-192-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-218-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-196-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-212-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-210-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-208-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-206-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-188-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-187-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-190-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-204-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-984-0x0000000004B70000-0x0000000004B82000-memory.dmp

Filesize
72KB

Download
memory/1080-214-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-198-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-200-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1080-202-0x0000000004AB0000-0x0000000004AE5000-memory.dmp

Filesize
212KB

Download
memory/1172-171-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-175-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-149-0x0000000002450000-0x0000000002460000-memory.dmp

Filesize
64KB

Download
memory/1172-182-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1172-180-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1172-179-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-148-0x0000000000600000-0x000000000062D000-memory.dmp

Filesize
180KB

Download
memory/1172-177-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-169-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-151-0x0000000004A30000-0x0000000004FD4000-memory.dmp

Filesize
5.6MB

Download
memory/1172-150-0x0000000002450000-0x0000000002460000-memory.dmp

Filesize
64KB

Download
memory/1172-167-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-173-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-165-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-163-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-161-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-159-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-155-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-157-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-153-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download
memory/1172-152-0x0000000002580000-0x0000000002593000-memory.dmp

Filesize
76KB

Download