redline | dfdf406c2a27405fd840b772b329317625267de7bf4e5d506c9f7fa32c7d57da

General

Target

smweeks-xfrime.bin.exe

Score

10^/10

redline discovery infostealer spyware

Malware Config

Signatures

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

RedLine Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1376-6-0x000000000042064A-mapping.dmp	family_redline
behavioral1/memory/1376-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral1/memory/1376-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline
behavioral1/memory/1376-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_redline

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

656 cmd.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
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
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

7 checkip.amazonaws.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

smweeks-xfrime.bin.exe

description pid process target process

PID 1732 set thread context of 1376 1732 smweeks-xfrime.bin.exe smweeks-xfrime.bin.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1008 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

smweeks-xfrime.bin.exe

pid process

1376 smweeks-xfrime.bin.exe
1376 smweeks-xfrime.bin.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

smweeks-xfrime.bin.exesmweeks-xfrime.bin.exe

description pid process

Token: SeDebugPrivilege 1732 smweeks-xfrime.bin.exe
Token: SeDebugPrivilege 1376 smweeks-xfrime.bin.exe

pid	process
656	cmd.exe

flow	ioc
7	checkip.amazonaws.com

description	pid	process	target process
PID 1732 set thread context of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe

pid	process
1008	PING.EXE

pid	process
1376	smweeks-xfrime.bin.exe
1376	smweeks-xfrime.bin.exe

description	pid	process
Token: SeDebugPrivilege	1732	smweeks-xfrime.bin.exe
Token: SeDebugPrivilege	1376	smweeks-xfrime.bin.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

smweeks-xfrime.bin.exesmweeks-xfrime.bin.execmd.exe

description	pid	process	target process
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1732 wrote to memory of 1376	1732	smweeks-xfrime.bin.exe	smweeks-xfrime.bin.exe
PID 1376 wrote to memory of 656	1376	smweeks-xfrime.bin.exe	cmd.exe
PID 1376 wrote to memory of 656	1376	smweeks-xfrime.bin.exe	cmd.exe
PID 1376 wrote to memory of 656	1376	smweeks-xfrime.bin.exe	cmd.exe
PID 1376 wrote to memory of 656	1376	smweeks-xfrime.bin.exe	cmd.exe
PID 656 wrote to memory of 1008	656	cmd.exe	PING.EXE
PID 656 wrote to memory of 1008	656	cmd.exe	PING.EXE
PID 656 wrote to memory of 1008	656	cmd.exe	PING.EXE
PID 656 wrote to memory of 1008	656	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\smweeks-xfrime.bin.exe
"C:\Users\Admin\AppData\Local\Temp\smweeks-xfrime.bin.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732

C:\Users\Admin\AppData\Local\Temp\smweeks-xfrime.bin.exe
"C:\Users\Admin\AppData\Local\Temp\smweeks-xfrime.bin.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del "C:\Users\Admin\AppData\Local\Temp\smweeks-xfrime.bin.exe"
3⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 3
4⤵
- Runs ping.exe
PID:1008

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

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/656-12-0x0000000000000000-mapping.dmp

Download
memory/1008-13-0x0000000000000000-mapping.dmp

Download
memory/1376-6-0x000000000042064A-mapping.dmp

Download
memory/1376-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1376-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1376-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1376-9-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-0-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-1-0x0000000000820000-0x0000000000821000-memory.dmp

Filesize
4KB

Download
memory/1732-3-0x00000000003F0000-0x0000000000423000-memory.dmp

Filesize
204KB

Download
memory/1732-4-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download

Analysis

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