redline | 67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e

General

Target

67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e.exe
Size

376KB
MD5

47eb7f8e62d1e1158823f5c3fb9f9a67
SHA1

c2b2fe81e9feb6e6e87ce0a865f77b1527a088ef
SHA256

67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e
SHA512

d8ba3ac7a302378e40ff13013cd1f96f394460184ac0c261011a2f00655a6f69a72cd5e1c0a26603ac059a16009382d3c84674bbcee393b73b3382cbc7a314b7
SSDEEP

6144:KGy+bnr+qp0yN90QE2JPulnepE1lUu3larWDFyb4wVRh/PtJwoDo3:GMrmy90wJufUu1IWDFyMwVn/FJwv

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/776-153-0x0000000008140000-0x0000000008758000-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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a7913622.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a7913622.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a7913622.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a7913622.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a7913622.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a7913622.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
3660	v2092004.exe
5084	a7913622.exe
776	b8651371.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	a7913622.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

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\\\""	67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	v2092004.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\\\""	v2092004.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5084	a7913622.exe
5084	a7913622.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5084	a7913622.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 3660	1816	67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e.exe	84
PID 1816 wrote to memory of 3660	1816	67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e.exe	84
PID 1816 wrote to memory of 3660	1816	67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e.exe	84
PID 3660 wrote to memory of 5084	3660	v2092004.exe	85
PID 3660 wrote to memory of 5084	3660	v2092004.exe	85
PID 3660 wrote to memory of 776	3660	v2092004.exe	86
PID 3660 wrote to memory of 776	3660	v2092004.exe	86
PID 3660 wrote to memory of 776	3660	v2092004.exe	86

C:\Users\Admin\AppData\Local\Temp\67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e.exe
"C:\Users\Admin\AppData\Local\Temp\67d42b19dc8aa2cece921c837b75853318b3ff2f9b314ae20d5561d3e97b190e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2092004.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2092004.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3660
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7913622.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7913622.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5084
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8651371.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8651371.exe
    3⤵
    - Executes dropped EXE
    PID:776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2092004.exe

Filesize
204KB

MD5
3c5fac6529e47315af23d8b3d288cf69

SHA1
a1ab2f3279cb8ffd329e8971abff9ea5395e72a7

SHA256
ceafee2d8cfd06e81609011cc3956b6a12ca64281b5f91774e8d9f877ea11485

SHA512
bda13c4a8e1a4eebd0af19a81c2a2fec159aaf3580b24664c4dd7a273eb063180fa1c95b98667abada11460d9b8bd76c9f94a34d814da91f0f085072c179b54a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2092004.exe

Filesize
204KB

MD5
3c5fac6529e47315af23d8b3d288cf69

SHA1
a1ab2f3279cb8ffd329e8971abff9ea5395e72a7

SHA256
ceafee2d8cfd06e81609011cc3956b6a12ca64281b5f91774e8d9f877ea11485

SHA512
bda13c4a8e1a4eebd0af19a81c2a2fec159aaf3580b24664c4dd7a273eb063180fa1c95b98667abada11460d9b8bd76c9f94a34d814da91f0f085072c179b54a

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7913622.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a7913622.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8651371.exe

Filesize
136KB

MD5
ed06ca28c3926ba30af7bffd56392d5d

SHA1
0f07f497213e0688365b4b70f28dfa1cf569287f

SHA256
06a6283fdaa8bc3ad6b1b6f2b2dec484b8f2812a9e3da97aca92ec565b45f810

SHA512
0659e9ef387c0cde26093bb8f9c377f8522d29fa912e7f972f8f0bf86e00689a4532ab349637c6550254e05539c20a77edb5845bade2f02d92b3e0f02acbf026

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b8651371.exe

Filesize
136KB

MD5
ed06ca28c3926ba30af7bffd56392d5d

SHA1
0f07f497213e0688365b4b70f28dfa1cf569287f

SHA256
06a6283fdaa8bc3ad6b1b6f2b2dec484b8f2812a9e3da97aca92ec565b45f810

SHA512
0659e9ef387c0cde26093bb8f9c377f8522d29fa912e7f972f8f0bf86e00689a4532ab349637c6550254e05539c20a77edb5845bade2f02d92b3e0f02acbf026

Download Submit
memory/776-152-0x0000000000D00000-0x0000000000D28000-memory.dmp

Filesize
160KB

Download
memory/776-153-0x0000000008140000-0x0000000008758000-memory.dmp

Filesize
6.1MB

Download
memory/776-154-0x0000000007B50000-0x0000000007B62000-memory.dmp

Filesize
72KB

Download
memory/776-155-0x0000000007C80000-0x0000000007D8A000-memory.dmp

Filesize
1.0MB

Download
memory/776-156-0x00000000056A0000-0x00000000056DC000-memory.dmp

Filesize
240KB

Download
memory/776-157-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/776-158-0x0000000005750000-0x0000000005760000-memory.dmp

Filesize
64KB

Download
memory/5084-147-0x0000000000C10000-0x0000000000C1A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads