redline | 436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df

Analysis

max time kernel
153s
max time network
159s
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 21:36

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General

Target

436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df.exe
Size

704KB
MD5

c18320aee784ea07a6dce8ae2fdce5c1
SHA1

49c2fb1f129d377c7b774b2fa3dd8d5e99cfa939
SHA256

436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df
SHA512

97163d698fa5013006e7f3593e5b4e09e409778218631616f8554dc72b5b783478060b99cadcfd03c7567b2a3a2ffaf75ef14dc4a3a54b9600f690ab387fa662
SSDEEP

12288:fy90gfeRw3ZvxRX8ps2H06rIsVhwq13AuI15zC+LIzjM1C/nVM8I4IguO:fy9feW3ZZRX8morIkKU3AHBfLIfS016O

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/4460-988-0x0000000009D30000-0x000000000A348000-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\DisableScanOnRealtimeEnable = "1"	pr259975.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	pr259975.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	pr259975.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	pr259975.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	pr259975.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	pr259975.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
4404	un405951.exe
3644	pr259975.exe
4460	qu084990.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	pr259975.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	pr259975.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	436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df.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\\\""	436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	un405951.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\\\""	un405951.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3096	3644	WerFault.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3644	pr259975.exe
3644	pr259975.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3644	pr259975.exe
Token: SeDebugPrivilege	4460	qu084990.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 4404	4388	436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df.exe	83
PID 4388 wrote to memory of 4404	4388	436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df.exe	83
PID 4388 wrote to memory of 4404	4388	436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df.exe	83
PID 4404 wrote to memory of 3644	4404	un405951.exe	84
PID 4404 wrote to memory of 3644	4404	un405951.exe	84
PID 4404 wrote to memory of 3644	4404	un405951.exe	84
PID 4404 wrote to memory of 4460	4404	un405951.exe	89
PID 4404 wrote to memory of 4460	4404	un405951.exe	89
PID 4404 wrote to memory of 4460	4404	un405951.exe	89

C:\Users\Admin\AppData\Local\Temp\436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df.exe
"C:\Users\Admin\AppData\Local\Temp\436b7c58821bd0e30ba1a9ffb0c87946280e61340b6b837985b8bbcd5419f1df.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un405951.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un405951.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr259975.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr259975.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3644
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 1088
      4⤵
      Program crash
      PID:3096
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu084990.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu084990.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3644 -ip 3644
1⤵
PID:1540

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\un405951.exe

Filesize
550KB

MD5
438bc8dfeb2b6098c50c606c5ca5037e

SHA1
18250bc70611e52ba4fa906de1cb5584f9f60b66

SHA256
63ae5ab1b76064e05bbc606cdf3033ce683ef6e03baa3a5deeea2692523a34f6

SHA512
0171123670653ec13b4794684fa78c12b623a12f529589f076311821441a3b8f52a3df51b33f0a74b697d8643417323e6dff9e034ec9db17afcb2fd414b08b09

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un405951.exe

Filesize
550KB

MD5
438bc8dfeb2b6098c50c606c5ca5037e

SHA1
18250bc70611e52ba4fa906de1cb5584f9f60b66

SHA256
63ae5ab1b76064e05bbc606cdf3033ce683ef6e03baa3a5deeea2692523a34f6

SHA512
0171123670653ec13b4794684fa78c12b623a12f529589f076311821441a3b8f52a3df51b33f0a74b697d8643417323e6dff9e034ec9db17afcb2fd414b08b09

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr259975.exe

Filesize
278KB

MD5
165e9c1a00ef7838f5f3613f16d79773

SHA1
88ab28abd57d9debd05ca8d6a54c68048b1f27d7

SHA256
4d0fe47dcc49e85a913cad1f25466ff55fa89cd7ba9c320e0721ca482dca92fa

SHA512
6cd6743954a1cf7473796937bb1a79d0b5b22172c724c577a3132d16c217f6d305930c97fd16514aedff1c08af0354d3260ae74232b7a4a47746f5cc09f07204

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pr259975.exe

Filesize
278KB

MD5
165e9c1a00ef7838f5f3613f16d79773

SHA1
88ab28abd57d9debd05ca8d6a54c68048b1f27d7

SHA256
4d0fe47dcc49e85a913cad1f25466ff55fa89cd7ba9c320e0721ca482dca92fa

SHA512
6cd6743954a1cf7473796937bb1a79d0b5b22172c724c577a3132d16c217f6d305930c97fd16514aedff1c08af0354d3260ae74232b7a4a47746f5cc09f07204

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu084990.exe

Filesize
361KB

MD5
9e5668b179ca1e394171fd60747b43f9

SHA1
aa7bc4756335b0abe46955e13fe916a47d81128f

SHA256
73ecdc5b7c56a6526301645c9db51e710e7293619cb507eb639c00c7fe66cf07

SHA512
e653eaaff60f856527a7ebb54d81d9bb44b34a8db02169d77b71b24e3311bdad15dcbacb691556fc11fc9c6b2c0466a889a16fdd829684ae8e81b98dea7322a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu084990.exe

Filesize
361KB

MD5
9e5668b179ca1e394171fd60747b43f9

SHA1
aa7bc4756335b0abe46955e13fe916a47d81128f

SHA256
73ecdc5b7c56a6526301645c9db51e710e7293619cb507eb639c00c7fe66cf07

SHA512
e653eaaff60f856527a7ebb54d81d9bb44b34a8db02169d77b71b24e3311bdad15dcbacb691556fc11fc9c6b2c0466a889a16fdd829684ae8e81b98dea7322a7

Download Submit
memory/3644-164-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-186-0x0000000000400000-0x0000000002BAF000-memory.dmp

Filesize
39.7MB

Download
memory/3644-152-0x00000000071A0000-0x0000000007744000-memory.dmp

Filesize
5.6MB

Download
memory/3644-153-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-154-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-156-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-158-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-160-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-162-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-150-0x0000000007190000-0x00000000071A0000-memory.dmp

Filesize
64KB

Download
memory/3644-166-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-168-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-170-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-172-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-174-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-176-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-178-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-180-0x00000000048B0000-0x00000000048C2000-memory.dmp

Filesize
72KB

Download
memory/3644-181-0x0000000000400000-0x0000000002BAF000-memory.dmp

Filesize
39.7MB

Download
memory/3644-182-0x0000000007190000-0x00000000071A0000-memory.dmp

Filesize
64KB

Download
memory/3644-183-0x0000000007190000-0x00000000071A0000-memory.dmp

Filesize
64KB

Download
memory/3644-184-0x0000000007190000-0x00000000071A0000-memory.dmp

Filesize
64KB

Download
memory/3644-151-0x0000000007190000-0x00000000071A0000-memory.dmp

Filesize
64KB

Download
memory/3644-149-0x0000000007190000-0x00000000071A0000-memory.dmp

Filesize
64KB

Download
memory/3644-148-0x0000000002BB0000-0x0000000002BDD000-memory.dmp

Filesize
180KB

Download
memory/4460-995-0x00000000072F0000-0x0000000007300000-memory.dmp

Filesize
64KB

Download
memory/4460-217-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-193-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-211-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-199-0x00000000072F0000-0x0000000007300000-memory.dmp

Filesize
64KB

Download
memory/4460-197-0x0000000002BD0000-0x0000000002C16000-memory.dmp

Filesize
280KB

Download
memory/4460-202-0x00000000072F0000-0x0000000007300000-memory.dmp

Filesize
64KB

Download
memory/4460-203-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-200-0x00000000072F0000-0x0000000007300000-memory.dmp

Filesize
64KB

Download
memory/4460-205-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-207-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-209-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-198-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-213-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-215-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-192-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-219-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-221-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-223-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-225-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-227-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-988-0x0000000009D30000-0x000000000A348000-memory.dmp

Filesize
6.1MB

Download
memory/4460-989-0x00000000072C0000-0x00000000072D2000-memory.dmp

Filesize
72KB

Download
memory/4460-990-0x000000000A350000-0x000000000A45A000-memory.dmp

Filesize
1.0MB

Download
memory/4460-991-0x000000000A460000-0x000000000A49C000-memory.dmp

Filesize
240KB

Download
memory/4460-992-0x00000000072F0000-0x0000000007300000-memory.dmp

Filesize
64KB

Download
memory/4460-994-0x00000000072F0000-0x0000000007300000-memory.dmp

Filesize
64KB

Download
memory/4460-195-0x00000000071B0000-0x00000000071E5000-memory.dmp

Filesize
212KB

Download
memory/4460-996-0x00000000072F0000-0x0000000007300000-memory.dmp

Filesize
64KB

Download
memory/4460-997-0x00000000072F0000-0x0000000007300000-memory.dmp

Filesize
64KB

Download