redline | 27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3

General

Target

27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3.exe
Size

491KB
MD5

84a2c8c45478367a9461bd236b88e561
SHA1

4e752eaf0d3cd5b1a32571901f4d586802941767
SHA256

27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3
SHA512

1da02b574e1afc8f3539ab3b5b13a262e3eb64adc4db7b0b2b4b1f2369cd78340a721a01ffccdf592cd39d11f0f7a71a616dd29fb4511540f8af955a2b8c0765
SSDEEP

12288:rMrqy90kcjOLe2jfDhzU+IrOQXJ3agqPn6z0L:dyvceewbhg+fQAf6z0L

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/2600-185-0x0000000007F30000-0x0000000008548000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	o4327791.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	o4327791.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	o4327791.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	o4327791.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	o4327791.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	o4327791.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
536	z0114916.exe
652	o4327791.exe
2600	r6053242.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	o4327791.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	o4327791.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	27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3.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\\\""	27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	z0114916.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\\\""	z0114916.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
652	o4327791.exe
652	o4327791.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	652	o4327791.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 536	4912	27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3.exe	85
PID 4912 wrote to memory of 536	4912	27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3.exe	85
PID 4912 wrote to memory of 536	4912	27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3.exe	85
PID 536 wrote to memory of 652	536	z0114916.exe	86
PID 536 wrote to memory of 652	536	z0114916.exe	86
PID 536 wrote to memory of 652	536	z0114916.exe	86
PID 536 wrote to memory of 2600	536	z0114916.exe	91
PID 536 wrote to memory of 2600	536	z0114916.exe	91
PID 536 wrote to memory of 2600	536	z0114916.exe	91

C:\Users\Admin\AppData\Local\Temp\27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3.exe
"C:\Users\Admin\AppData\Local\Temp\27af3faa9b75e9348cb64f222e12763155ef194b7ba10de66a0445594e1eebf3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0114916.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0114916.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:536
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\o4327791.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\o4327791.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:652
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r6053242.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r6053242.exe
    3⤵
    - Executes dropped EXE
    PID:2600

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0114916.exe

Filesize
308KB

MD5
cbb2d096c787f9d0512e8948843db742

SHA1
0d7e910f5d8ed6f6fe185227f34c985afa42bb84

SHA256
d4b7eecdfbb27049cf6b8dc882d0f1c5c804a5ebe413f1f3825fce45f36a5401

SHA512
5e8f0dc0096bc97bd2317e5d6075cc49c63dfde7b0f89106f2abb202e63703b3043985af2f025fe6edf348393d1d212d40ba8c54501838295204937575dd7317

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0114916.exe

Filesize
308KB

MD5
cbb2d096c787f9d0512e8948843db742

SHA1
0d7e910f5d8ed6f6fe185227f34c985afa42bb84

SHA256
d4b7eecdfbb27049cf6b8dc882d0f1c5c804a5ebe413f1f3825fce45f36a5401

SHA512
5e8f0dc0096bc97bd2317e5d6075cc49c63dfde7b0f89106f2abb202e63703b3043985af2f025fe6edf348393d1d212d40ba8c54501838295204937575dd7317

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\o4327791.exe

Filesize
175KB

MD5
8becd60a08b9425130bf835604bc736e

SHA1
53b7ef74326db3591a6504b4da064b1a3b1331ff

SHA256
73922bdaed94181ebc42c730e20a862c90e979a5356251ed5dc971415f705a7c

SHA512
fac94d050c9113eb20a9b2aeda59b2e22e9ce776ccf6319800c00aeeecaea4e5225d6642d4c6ce31194844a330eec018586b81393cf0278fb739b0a4a4696a23

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\o4327791.exe

Filesize
175KB

MD5
8becd60a08b9425130bf835604bc736e

SHA1
53b7ef74326db3591a6504b4da064b1a3b1331ff

SHA256
73922bdaed94181ebc42c730e20a862c90e979a5356251ed5dc971415f705a7c

SHA512
fac94d050c9113eb20a9b2aeda59b2e22e9ce776ccf6319800c00aeeecaea4e5225d6642d4c6ce31194844a330eec018586b81393cf0278fb739b0a4a4696a23

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r6053242.exe

Filesize
136KB

MD5
e6b3415e635e27f7971ba49e6e6ac500

SHA1
6c8897aefaf1c9cbdf0b7d5e8384a1d286cc3d1b

SHA256
585d2658fa3dfa87d7062e5c5703bca99526d8b91e035716b6e2960bdc1ea6d9

SHA512
583fbee0c3395aa94a59b0befb61b6cecc2dc3bf83350f163e98767c6346b48161293a8eab4533aa05a480aadd99b881a9999379d646532a11ab9b31038e0776

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r6053242.exe

Filesize
136KB

MD5
e6b3415e635e27f7971ba49e6e6ac500

SHA1
6c8897aefaf1c9cbdf0b7d5e8384a1d286cc3d1b

SHA256
585d2658fa3dfa87d7062e5c5703bca99526d8b91e035716b6e2960bdc1ea6d9

SHA512
583fbee0c3395aa94a59b0befb61b6cecc2dc3bf83350f163e98767c6346b48161293a8eab4533aa05a480aadd99b881a9999379d646532a11ab9b31038e0776

Download Submit
memory/652-151-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-172-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-149-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

Filesize
64KB

Download
memory/652-152-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-154-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-156-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-158-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-160-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-164-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-162-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-166-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-168-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-170-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-150-0x0000000004DB0000-0x0000000005354000-memory.dmp

Filesize
5.6MB

Download
memory/652-174-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-176-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-178-0x0000000002430000-0x0000000002442000-memory.dmp

Filesize
72KB

Download
memory/652-179-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

Filesize
64KB

Download
memory/652-148-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

Filesize
64KB

Download
memory/652-147-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

Filesize
64KB

Download
memory/2600-184-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download
memory/2600-185-0x0000000007F30000-0x0000000008548000-memory.dmp

Filesize
6.1MB

Download
memory/2600-186-0x0000000007970000-0x0000000007982000-memory.dmp

Filesize
72KB

Download
memory/2600-187-0x0000000007AA0000-0x0000000007BAA000-memory.dmp

Filesize
1.0MB

Download
memory/2600-188-0x00000000079E0000-0x00000000079F0000-memory.dmp

Filesize
64KB

Download
memory/2600-189-0x00000000079F0000-0x0000000007A2C000-memory.dmp

Filesize
240KB

Download
memory/2600-190-0x00000000079E0000-0x00000000079F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads