redline | 9eee4d294f2111c25d601095dc4e10e7793c99d270c47c827c7316adf1393e73

General

Target

5cfa22e8d4102ffccd45ef8e80237e0f.exe
Size

965KB
MD5

5cfa22e8d4102ffccd45ef8e80237e0f
SHA1

9940e693d9a1424134e85e86bd61d278c1d31ab1
SHA256

9eee4d294f2111c25d601095dc4e10e7793c99d270c47c827c7316adf1393e73
SHA512

1038662fab4b10e73d401f33d460a0f6a492e5e8b882a0182db2693208b64eaedeac8adee4e82ec66ecad9bb55dee207f4b54e4861e5aef2c2da1f263f9a6f07

Score

10^/10

spyware infostealer redline evasion trojan discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

5cfa22e8d4102ffccd45ef8e80237e0f.exe

description pid process target process

PID 1088 set thread context of 1400 1088 5cfa22e8d4102ffccd45ef8e80237e0f.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

1400 RegAsm.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

10 checkip.amazonaws.com

description	pid	process	target process
PID 1088 set thread context of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe

pid	process
1400	RegAsm.exe

flow	ioc
10	checkip.amazonaws.com

Modifies system certificate store 2 TTPs 6 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

RegAsm.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	RegAsm.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\SystemCertificates\CA\Certificates\8D4C4A23BA9EE84EA7348FA98CC6E65FBB69DE7B	RegAsm.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\SystemCertificates\CA\Certificates\8D4C4A23BA9EE84EA7348FA98CC6E65FBB69DE7B\Blob = 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	RegAsm.exe

Checks for installed software on the system 1 TTPs 30 IoCs

discovery

Query Registry

T1012

Processes:

RegAsm.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Connection Manager\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\DirectDrawEx\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MobileOptionPack\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\SchedulingAgent\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\WIC\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2151757\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{BB8B979E-E336-47E7-96BC-1031C1B94561}\DisplayName	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2544655\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB982573\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Fontcore\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Google Chrome\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IE4Data\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2549743\DisplayName	RegAsm.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{00203668-8170-44A0-BE44-B632FA4D780F}\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2467173\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2565063\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{92FB6C44-E685-45AD-9B20-CADF4CABA132}.KB4087364\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{AC76BA86-7AD7-1033-7B44-A90000000001}\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{ef6b00ec-13e1-4c25-9064-b2f383cb8412}\DisplayName	RegAsm.exe
Key enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{f4220b74-9edd-4ded-bc8b-0342c1e164d8}\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\AddressBook\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Adobe AIR\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2524860\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IE5BAKEX\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IEData\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IE40\DisplayName	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\DisplayName	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

5cfa22e8d4102ffccd45ef8e80237e0f.exeRegAsm.execmd.exe

description	pid	process	target process
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1088 wrote to memory of 1400	1088	5cfa22e8d4102ffccd45ef8e80237e0f.exe	RegAsm.exe
PID 1400 wrote to memory of 1788	1400	RegAsm.exe	cmd.exe
PID 1400 wrote to memory of 1788	1400	RegAsm.exe	cmd.exe
PID 1400 wrote to memory of 1788	1400	RegAsm.exe	cmd.exe
PID 1400 wrote to memory of 1788	1400	RegAsm.exe	cmd.exe
PID 1788 wrote to memory of 1832	1788	cmd.exe	taskkill.exe
PID 1788 wrote to memory of 1832	1788	cmd.exe	taskkill.exe
PID 1788 wrote to memory of 1832	1788	cmd.exe	taskkill.exe
PID 1788 wrote to memory of 1832	1788	cmd.exe	taskkill.exe
PID 1788 wrote to memory of 1820	1788	cmd.exe	choice.exe
PID 1788 wrote to memory of 1820	1788	cmd.exe	choice.exe
PID 1788 wrote to memory of 1820	1788	cmd.exe	choice.exe
PID 1788 wrote to memory of 1820	1788	cmd.exe	choice.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegAsm.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 1400 RegAsm.exe
Token: SeDebugPrivilege 1832 taskkill.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1832 taskkill.exe
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

description	pid	process
Token: SeDebugPrivilege	1400	RegAsm.exe
Token: SeDebugPrivilege	1832	taskkill.exe

pid	process
1832	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\5cfa22e8d4102ffccd45ef8e80237e0f.exe
"C:\Users\Admin\AppData\Local\Temp\5cfa22e8d4102ffccd45ef8e80237e0f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Modifies system certificate store
- Checks for installed software on the system
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:1400

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C taskkill /F /PID 1400 && choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:1788

C:\Windows\SysWOW64\taskkill.exe
taskkill /F /PID 1400
4⤵
- Suspicious use of AdjustPrivilegeToken
- Kills process with taskkill
PID:1832

C:\Windows\SysWOW64\choice.exe
choice /C Y /N /D Y /T 3
4⤵
PID:1820

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1088-0-0x0000000004330000-0x00000000043FC000-memory.dmp

Filesize
816KB

Download
memory/1088-1-0x00000000044D0000-0x00000000044E1000-memory.dmp

Filesize
68KB

Download
memory/1088-2-0x0000000005E30000-0x0000000005E41000-memory.dmp

Filesize
68KB

Download
memory/1088-3-0x0000000008770020-0x000000000882E020-disk.dmp

Filesize
760KB

Download
memory/1400-6-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1400-7-0x0000000000426DCE-mapping.dmp

Download
memory/1400-8-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1400-9-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1788-11-0x0000000000000000-mapping.dmp

Download
memory/1820-13-0x0000000000000000-mapping.dmp

Download
memory/1832-12-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads