redline | 50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b

Analysis

max time kernel
154s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
06-05-2023 21:52

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General

Target

50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b.exe
Size

690KB
MD5

2db13383df88cddde2b8d7a2f9e9378a
SHA1

9a482506a699339250c832fc3636697040a7b77f
SHA256

50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b
SHA512

00fbe2a8b74bfec01cd9997d624a9ab89fdc5bdecbe63c0277aeaff57ad9ed547e82d8cb975576b0f20d2fe58c5d05c7a247fc7f83a4d711d0a1bd169bf1dee3
SSDEEP

12288:/y90uQpuxOE4ELPcPj3jqkfRkVP1Jr+s9P+LMGXniNom2k+lrIVR:/yEsJhoTjqGRuSsoONHUra

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.

stealer

resource	yara_rule
behavioral2/memory/2044-990-0x0000000007570000-0x0000000007B88000-memory.dmp	redline_stealer

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

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	04730777.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	04730777.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	04730777.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	04730777.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	04730777.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	04730777.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
4884	un738470.exe
4160	04730777.exe
2044	rk837966.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	04730777.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	04730777.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un738470.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\\\""	un738470.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b.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\\\""	50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2524	4160	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4160	04730777.exe
4160	04730777.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4160	04730777.exe
Token: SeDebugPrivilege	2044	rk837966.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 4884	1956	50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b.exe	84
PID 1956 wrote to memory of 4884	1956	50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b.exe	84
PID 1956 wrote to memory of 4884	1956	50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b.exe	84
PID 4884 wrote to memory of 4160	4884	un738470.exe	85
PID 4884 wrote to memory of 4160	4884	un738470.exe	85
PID 4884 wrote to memory of 4160	4884	un738470.exe	85
PID 4884 wrote to memory of 2044	4884	un738470.exe	95
PID 4884 wrote to memory of 2044	4884	un738470.exe	95
PID 4884 wrote to memory of 2044	4884	un738470.exe	95

C:\Users\Admin\AppData\Local\Temp\50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b.exe
"C:\Users\Admin\AppData\Local\Temp\50409bbf2696d231f352a1a1c517196f9030e0f4e8b9a3698141a838b81bd78b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un738470.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un738470.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\04730777.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\04730777.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4160
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 1004
      4⤵
      Program crash
      PID:2524
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk837966.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk837966.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4160 -ip 4160
1⤵
PID:2124

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

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\un738470.exe

Filesize
536KB

MD5
39a2ae7955df9d9f31dd64f4a2658ad6

SHA1
c1739805734774871582917e465e65134ba500ef

SHA256
a9f98f2b765d3adbed9ac08b80da1edc11f5733d6793f640e5ea9cda812c4e8c

SHA512
a1afee22fa3f5836e4a331043dcb50af1f0a9508baf1bc427fef1d69781d367546fa24a9d56f1912abe54891e7e5ab3b491256d100b415565c66e1f6c14ebdb8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un738470.exe

Filesize
536KB

MD5
39a2ae7955df9d9f31dd64f4a2658ad6

SHA1
c1739805734774871582917e465e65134ba500ef

SHA256
a9f98f2b765d3adbed9ac08b80da1edc11f5733d6793f640e5ea9cda812c4e8c

SHA512
a1afee22fa3f5836e4a331043dcb50af1f0a9508baf1bc427fef1d69781d367546fa24a9d56f1912abe54891e7e5ab3b491256d100b415565c66e1f6c14ebdb8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\04730777.exe

Filesize
258KB

MD5
b5fdf24a9e7eaf585c081960b8240458

SHA1
8b17be5797391c97909b9622ddcd1486193cab55

SHA256
fbb53a4cd704ff34b81b9def0da4e6b014fb90b0b56a61f151c30bee002b7bda

SHA512
765e9774df21fac1b58cdfa00d189800e03c7e7be62e033d52be1b356ce488040e14b1fb9e0e3f3ca484b1c0fc841e467de624befbd343e0df7ee73b3a7503b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\04730777.exe

Filesize
258KB

MD5
b5fdf24a9e7eaf585c081960b8240458

SHA1
8b17be5797391c97909b9622ddcd1486193cab55

SHA256
fbb53a4cd704ff34b81b9def0da4e6b014fb90b0b56a61f151c30bee002b7bda

SHA512
765e9774df21fac1b58cdfa00d189800e03c7e7be62e033d52be1b356ce488040e14b1fb9e0e3f3ca484b1c0fc841e467de624befbd343e0df7ee73b3a7503b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk837966.exe

Filesize
341KB

MD5
061550f87d822e0717a1ca8f0e4b3ef0

SHA1
df757e025f786db975891a92a5bc70f96275c47d

SHA256
9782370baea374f43a3df3491babbe10b4421cbeca3d2c475957e1da9d26a529

SHA512
4970becb8ce833f27285fc4dcbcada69ceb2f81937b3a598fb786a4d643897043d565d41e3b3f2ae69ca751da1416bd66db46d206cf317cad75db95ceb32bc30

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk837966.exe

Filesize
341KB

MD5
061550f87d822e0717a1ca8f0e4b3ef0

SHA1
df757e025f786db975891a92a5bc70f96275c47d

SHA256
9782370baea374f43a3df3491babbe10b4421cbeca3d2c475957e1da9d26a529

SHA512
4970becb8ce833f27285fc4dcbcada69ceb2f81937b3a598fb786a4d643897043d565d41e3b3f2ae69ca751da1416bd66db46d206cf317cad75db95ceb32bc30

Download Submit
memory/2044-223-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-217-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-994-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/2044-993-0x0000000007D00000-0x0000000007D3C000-memory.dmp

Filesize
240KB

Download
memory/2044-992-0x0000000007BF0000-0x0000000007CFA000-memory.dmp

Filesize
1.0MB

Download
memory/2044-991-0x0000000007BD0000-0x0000000007BE2000-memory.dmp

Filesize
72KB

Download
memory/2044-990-0x0000000007570000-0x0000000007B88000-memory.dmp

Filesize
6.1MB

Download
memory/2044-227-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-997-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/2044-225-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-200-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-221-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-219-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-996-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/2044-215-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-213-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-211-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-209-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-207-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-205-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/2044-204-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-203-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/2044-202-0x0000000000500000-0x0000000000546000-memory.dmp

Filesize
280KB

Download
memory/2044-998-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/2044-999-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/2044-196-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-195-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/2044-198-0x0000000002600000-0x0000000002635000-memory.dmp

Filesize
212KB

Download
memory/4160-164-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-186-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4160-184-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/4160-183-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/4160-182-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/4160-181-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4160-180-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/4160-179-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/4160-178-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-176-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-174-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-172-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-170-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-168-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-166-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-162-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-160-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-158-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-156-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-154-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-152-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-151-0x0000000002410000-0x0000000002423000-memory.dmp

Filesize
76KB

Download
memory/4160-150-0x0000000004B90000-0x0000000005134000-memory.dmp

Filesize
5.6MB

Download
memory/4160-149-0x0000000002470000-0x0000000002480000-memory.dmp

Filesize
64KB

Download
memory/4160-148-0x00000000005B0000-0x00000000005DD000-memory.dmp

Filesize
180KB

Download