redline | 7e9e6feb29bbd8c51fb07675a8083b2613ae20b5f121e49d1489432cf00d7a67

General

Target

ExpressVPN.exe
Size

186KB
MD5

2620c49e134e1d07fbefe1d3700d72a5
SHA1

592f0a98c0143750393635bcf419736c1498f1c1
SHA256

7e9e6feb29bbd8c51fb07675a8083b2613ae20b5f121e49d1489432cf00d7a67
SHA512

dce4326cde61a37a1e65316cc1419089caa456d0b2f959585c1c982abd62f29031c37e6f86bcdca19a0c50fe4ab69ad2b6f73901c5c8fa38ef5703ab4169a265

Score

10^/10

redline 2 discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

2

C2

23.88.39.22:43679

Attributes

auth_value
06ade036180b58333a41a7537c92df05

Signatures

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

RedLine Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1352-61-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline
behavioral1/memory/1352-63-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline
behavioral1/memory/1352-64-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline
behavioral1/memory/1352-65-0x000000000041ADDA-mapping.dmp	family_redline
behavioral1/memory/1352-67-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline
behavioral1/memory/1352-69-0x0000000000400000-0x0000000000422000-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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

ExpressVPN.exe

description pid process target process

PID 1452 set thread context of 1352 1452 ExpressVPN.exe ExpressVPN.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ExpressVPN.exe

description pid process

Token: SeDebugPrivilege 1352 ExpressVPN.exe

description	pid	process	target process
PID 1452 set thread context of 1352	1452	ExpressVPN.exe	ExpressVPN.exe

description	pid	process
Token: SeDebugPrivilege	1352	ExpressVPN.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ExpressVPN.exe

description	pid	process	target process
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe
PID 1452 wrote to memory of 1352	1452	ExpressVPN.exe	ExpressVPN.exe

C:\Users\Admin\AppData\Local\Temp\ExpressVPN.exe
"C:\Users\Admin\AppData\Local\Temp\ExpressVPN.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1452

C:\Users\Admin\AppData\Local\Temp\ExpressVPN.exe
C:\Users\Admin\AppData\Local\Temp\ExpressVPN.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1352

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1352-58-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1352-59-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1352-61-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1352-63-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1352-64-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1352-65-0x000000000041ADDA-mapping.dmp

Download
memory/1352-67-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1352-69-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1452-54-0x0000000000870000-0x00000000008A6000-memory.dmp

Filesize
216KB

Download
memory/1452-55-0x0000000002110000-0x0000000002176000-memory.dmp

Filesize
408KB

Download
memory/1452-56-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/1452-57-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download

Analysis

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