redline | 27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454

Analysis

max time kernel
150s
max time network
150s
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 21:03

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General

Target

27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454.exe
Size

747KB
MD5

3cd5d2cf329bc1b94eb0732b5bc23620
SHA1

8cfe85ca320953e3121a1465b8e11dc9b6204ac1
SHA256

27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454
SHA512

6ee29e95e444db8f1b4c0eef28f6c1b038121687771b9ec128c5816d41a5d5762d505b8035691161388b4931d1eb367615b6f7d2487fecd88b01ad0683ea2559
SSDEEP

12288:Oy90ns2ZtHDoGxQ7l1QITsTsDL9fu17LuIkbeqsO6/eydKAMFV:OyXEt7KlfsTsNQ3uIK6/emKZFV

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/3600-989-0x0000000007980000-0x0000000007F98000-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\DisableIOAVProtection = "1"	55867618.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	55867618.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	55867618.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	55867618.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	55867618.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	55867618.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
3192	un193270.exe
4668	55867618.exe
3600	rk704847.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	55867618.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	55867618.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	27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454.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\\\""	27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un193270.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\\\""	un193270.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	4668	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4668	55867618.exe
4668	55867618.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	55867618.exe
Token: SeDebugPrivilege	3600	rk704847.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 3192	4208	27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454.exe	85
PID 4208 wrote to memory of 3192	4208	27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454.exe	85
PID 4208 wrote to memory of 3192	4208	27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454.exe	85
PID 3192 wrote to memory of 4668	3192	un193270.exe	86
PID 3192 wrote to memory of 4668	3192	un193270.exe	86
PID 3192 wrote to memory of 4668	3192	un193270.exe	86
PID 3192 wrote to memory of 3600	3192	un193270.exe	90
PID 3192 wrote to memory of 3600	3192	un193270.exe	90
PID 3192 wrote to memory of 3600	3192	un193270.exe	90

C:\Users\Admin\AppData\Local\Temp\27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454.exe
"C:\Users\Admin\AppData\Local\Temp\27e4f8794a314a7ac3f101da0e8ba14f8ee0b38948368b85aae62d05acc3a454.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un193270.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un193270.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3192
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\55867618.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\55867618.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4668
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4668 -s 1092
      4⤵
      Program crash
      PID:2332
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk704847.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk704847.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4668 -ip 4668
1⤵
PID:4408

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\un193270.exe

Filesize
592KB

MD5
1dd95166b52168e09bcfb0e619d0e8eb

SHA1
988c3dd0a087152131fa10566ee5237fb5fe2778

SHA256
5c3c8469a0f412b6e4a46d090632f3d743280e31486e69820f6ac5a9ab3e43f2

SHA512
21e8c0d90de7b8333b5c5040f991d280db86ab9e150a4d6bd8e074e26aaaed9df6bd5477aa36891d34fc90053b0ede09098e383beb7ed9290f4d8f224d174a93

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un193270.exe

Filesize
592KB

MD5
1dd95166b52168e09bcfb0e619d0e8eb

SHA1
988c3dd0a087152131fa10566ee5237fb5fe2778

SHA256
5c3c8469a0f412b6e4a46d090632f3d743280e31486e69820f6ac5a9ab3e43f2

SHA512
21e8c0d90de7b8333b5c5040f991d280db86ab9e150a4d6bd8e074e26aaaed9df6bd5477aa36891d34fc90053b0ede09098e383beb7ed9290f4d8f224d174a93

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\55867618.exe

Filesize
376KB

MD5
a886bb4c21a7743eefc39b5f5722d772

SHA1
aa48751135f1a8a50f09ba389969c783ff57e60c

SHA256
2f5247045de446a6fb459669c65552fcf9a17e1610fc5b5107fd8cbe1e4670ed

SHA512
dbe0f48a431859e29e52f80ce9126e269b1debbad675c8e59423fe090ac8e9fd151c23b384e345ac3e197d4e57249d50fc042268a6a4b45c8394d44eaa6bb554

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\55867618.exe

Filesize
376KB

MD5
a886bb4c21a7743eefc39b5f5722d772

SHA1
aa48751135f1a8a50f09ba389969c783ff57e60c

SHA256
2f5247045de446a6fb459669c65552fcf9a17e1610fc5b5107fd8cbe1e4670ed

SHA512
dbe0f48a431859e29e52f80ce9126e269b1debbad675c8e59423fe090ac8e9fd151c23b384e345ac3e197d4e57249d50fc042268a6a4b45c8394d44eaa6bb554

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk704847.exe

Filesize
459KB

MD5
362a0e40ba1a10e900dc0da89f03685e

SHA1
c3fa8fcbd4e943dc9a4433afa1cc47679813df45

SHA256
85137c02c9dbf2f4cf0a63afc81ebfce394c2e3bc59c60a926940d7163b29c7f

SHA512
8585a383fbe706216b44f95fb356f7b146233ca8bcc0f51893e40d5156ac3a0a85cf3ccf7c775a2d300a5c9813a265ea3422560d97e92c8fd7d5d11f9a6f5d99

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk704847.exe

Filesize
459KB

MD5
362a0e40ba1a10e900dc0da89f03685e

SHA1
c3fa8fcbd4e943dc9a4433afa1cc47679813df45

SHA256
85137c02c9dbf2f4cf0a63afc81ebfce394c2e3bc59c60a926940d7163b29c7f

SHA512
8585a383fbe706216b44f95fb356f7b146233ca8bcc0f51893e40d5156ac3a0a85cf3ccf7c775a2d300a5c9813a265ea3422560d97e92c8fd7d5d11f9a6f5d99

Download Submit
memory/3600-217-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-272-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3600-998-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3600-197-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-195-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-997-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3600-194-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-995-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3600-993-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3600-992-0x00000000080B0000-0x00000000080EC000-memory.dmp

Filesize
240KB

Download
memory/3600-991-0x0000000007FA0000-0x00000000080AA000-memory.dmp

Filesize
1.0MB

Download
memory/3600-990-0x0000000005010000-0x0000000005022000-memory.dmp

Filesize
72KB

Download
memory/3600-989-0x0000000007980000-0x0000000007F98000-memory.dmp

Filesize
6.1MB

Download
memory/3600-201-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-271-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3600-269-0x0000000000870000-0x00000000008B6000-memory.dmp

Filesize
280KB

Download
memory/3600-223-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-221-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-219-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-215-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-213-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-211-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-209-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-207-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-996-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/3600-205-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-203-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/3600-199-0x0000000002980000-0x00000000029B5000-memory.dmp

Filesize
212KB

Download
memory/4668-173-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-157-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4668-154-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-149-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-150-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-187-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/4668-183-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4668-182-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4668-148-0x0000000004E40000-0x00000000053E4000-memory.dmp

Filesize
5.6MB

Download
memory/4668-181-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4668-180-0x0000000000400000-0x0000000000803000-memory.dmp

Filesize
4.0MB

Download
memory/4668-179-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-177-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-175-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-152-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-171-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-169-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-167-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-165-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-163-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-161-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-158-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4668-159-0x0000000004E30000-0x0000000004E40000-memory.dmp

Filesize
64KB

Download
memory/4668-155-0x00000000008E0000-0x000000000090D000-memory.dmp

Filesize
180KB

Download