redline | 6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0

General

Target

6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0.exe
Size

376KB
MD5

83c3dbfb9b006ee2f9b335fe59fcf58d
SHA1

0b9c845004bb0af011834a74df48b65a8b4e2079
SHA256

6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0
SHA512

ebf8744df433102655afe32d462070663c8fe969d30a1302613f53765dfa434bb2c02316550236572b3ee09b439a20c6705410cd392dd8e49d29ed10086bcd36
SSDEEP

6144:Kty+bnr+6p0yN90QE6+ZQU8V11OxBnN4vs05MlML9JE38HymKymA8T:nMruy90Q+B8Vryyvs057pJeqMbT

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/4544-153-0x0000000007FE0000-0x00000000085F8000-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\DisableScanOnRealtimeEnable = "1"	a2806362.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a2806362.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a2806362.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a2806362.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a2806362.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a2806362.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
836	v2201627.exe
4292	a2806362.exe
4544	b4247588.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"	a2806362.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\\\""	6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	v2201627.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\\\""	v2201627.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4292	a2806362.exe
4292	a2806362.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4292	a2806362.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 836	3756	6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0.exe	79
PID 3756 wrote to memory of 836	3756	6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0.exe	79
PID 3756 wrote to memory of 836	3756	6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0.exe	79
PID 836 wrote to memory of 4292	836	v2201627.exe	80
PID 836 wrote to memory of 4292	836	v2201627.exe	80
PID 836 wrote to memory of 4544	836	v2201627.exe	81
PID 836 wrote to memory of 4544	836	v2201627.exe	81
PID 836 wrote to memory of 4544	836	v2201627.exe	81

C:\Users\Admin\AppData\Local\Temp\6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0.exe
"C:\Users\Admin\AppData\Local\Temp\6c46ce521f6b706e5151892084527206796d99d58fb0a2fdcad280ab56e83bb0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2201627.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2201627.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:836
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2806362.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2806362.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4292
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4247588.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4247588.exe
    3⤵
    - Executes dropped EXE
    PID:4544

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\v2201627.exe

Filesize
204KB

MD5
71dc9b2bc5e2a50aa9ab10380bcbc6eb

SHA1
7ea362e07b0d096f3d476138ce14c754b800b276

SHA256
c991fdd2a547ada8c1204502d0eec882126f8aeb00f16025af78b6b5c342bdf5

SHA512
31d8e9f0197e967852b603aa2cef15319c7f1ccdfea68a33e6eb280f6f69a789851081e6c3f8610dd94e69b7d8ebc2a40ed8a06053d073b4a29de6291e46a675

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2201627.exe

Filesize
204KB

MD5
71dc9b2bc5e2a50aa9ab10380bcbc6eb

SHA1
7ea362e07b0d096f3d476138ce14c754b800b276

SHA256
c991fdd2a547ada8c1204502d0eec882126f8aeb00f16025af78b6b5c342bdf5

SHA512
31d8e9f0197e967852b603aa2cef15319c7f1ccdfea68a33e6eb280f6f69a789851081e6c3f8610dd94e69b7d8ebc2a40ed8a06053d073b4a29de6291e46a675

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2806362.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a2806362.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4247588.exe

Filesize
136KB

MD5
91bd315dcbfb2428630e83b8f6c1d6bd

SHA1
7a731fa70465cf9e5e7ff57114620bccc49fb51b

SHA256
40066584d6f969d24e9cad684529957ad73f7bdf32f4f3b1cd0486fa070eb99c

SHA512
3bfa8404b6427c0d3fefb357a15420bc98fea59d47b7ff59b47a97105b825bd9c7cd0849f10a5fbf1f9c3532752020bcf6563f85d726a5f44a84de27ffa2765f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b4247588.exe

Filesize
136KB

MD5
91bd315dcbfb2428630e83b8f6c1d6bd

SHA1
7a731fa70465cf9e5e7ff57114620bccc49fb51b

SHA256
40066584d6f969d24e9cad684529957ad73f7bdf32f4f3b1cd0486fa070eb99c

SHA512
3bfa8404b6427c0d3fefb357a15420bc98fea59d47b7ff59b47a97105b825bd9c7cd0849f10a5fbf1f9c3532752020bcf6563f85d726a5f44a84de27ffa2765f

Download Submit
memory/4292-147-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/4544-152-0x0000000000BD0000-0x0000000000BF8000-memory.dmp

Filesize
160KB

Download
memory/4544-153-0x0000000007FE0000-0x00000000085F8000-memory.dmp

Filesize
6.1MB

Download
memory/4544-154-0x0000000007A40000-0x0000000007A52000-memory.dmp

Filesize
72KB

Download
memory/4544-155-0x0000000007B70000-0x0000000007C7A000-memory.dmp

Filesize
1.0MB

Download
memory/4544-156-0x0000000007AA0000-0x0000000007ADC000-memory.dmp

Filesize
240KB

Download
memory/4544-157-0x0000000007E30000-0x0000000007E40000-memory.dmp

Filesize
64KB

Download
memory/4544-158-0x0000000007E30000-0x0000000007E40000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads