redline | 4df51739c06f4aedf119be89182dd6a8adaa6784ffe9305de0756fb8aaec2164

General

Target

Installer.exe
Size

168KB
MD5

2853908eb84e04fb6f89067d3f11c13b
SHA1

52599b74438e3af584ca6ceddbf4edb149567bb1
SHA256

4df51739c06f4aedf119be89182dd6a8adaa6784ffe9305de0756fb8aaec2164
SHA512

e9798a26a5cbbeb965c697ca9153a8c9f1424e61ee6c47c260b97416697cc84ac0ada2bf89188f5deba9c9537a8f502cc0bbbc302d5df639e4d3a4b30d871ecc

Score

10^/10

redline discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

C2

141.94.188.139:43059

Signatures

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

RedLine Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/288-60-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/288-61-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/288-63-0x00000000004199AE-mapping.dmp	family_redline
behavioral1/memory/288-62-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral1/memory/288-65-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 1 IoCs

Processes:

Installer.exe

description pid process target process

PID 1376 set thread context of 288 1376 Installer.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

RegAsm.exe

pid process

288 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 288 RegAsm.exe

description	pid	process	target process
PID 1376 set thread context of 288	1376	Installer.exe	RegAsm.exe

pid	process
288	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	288	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Installer.exe

description	pid	process	target process
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe
PID 1376 wrote to memory of 288	1376	Installer.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Installer.exe
"C:\Users\Admin\AppData\Local\Temp\Installer.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
#cmd
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/288-59-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/288-58-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/288-60-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/288-61-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/288-63-0x00000000004199AE-mapping.dmp

Download
memory/288-62-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/288-64-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/288-65-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/288-67-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/1376-55-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1376-57-0x0000000002060000-0x0000000002062000-memory.dmp

Filesize
8KB

Download

Analysis

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