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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/532-134-0x0000000000000000-mapping.dmp	family_redline
behavioral2/memory/532-135-0x0000000000400000-0x0000000000422000-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 3440 set thread context of 532 3440 ExpressVPN.exe ExpressVPN.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ExpressVPN.exe

description pid process

Token: SeDebugPrivilege 532 ExpressVPN.exe

description	pid	process	target process
PID 3440 set thread context of 532	3440	ExpressVPN.exe	ExpressVPN.exe

description	pid	process
Token: SeDebugPrivilege	532	ExpressVPN.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ExpressVPN.exe

description	pid	process	target process
PID 3440 wrote to memory of 532	3440	ExpressVPN.exe	ExpressVPN.exe
PID 3440 wrote to memory of 532	3440	ExpressVPN.exe	ExpressVPN.exe
PID 3440 wrote to memory of 532	3440	ExpressVPN.exe	ExpressVPN.exe
PID 3440 wrote to memory of 532	3440	ExpressVPN.exe	ExpressVPN.exe
PID 3440 wrote to memory of 532	3440	ExpressVPN.exe	ExpressVPN.exe
PID 3440 wrote to memory of 532	3440	ExpressVPN.exe	ExpressVPN.exe
PID 3440 wrote to memory of 532	3440	ExpressVPN.exe	ExpressVPN.exe
PID 3440 wrote to memory of 532	3440	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:3440

C:\Users\Admin\AppData\Local\Temp\ExpressVPN.exe
C:\Users\Admin\AppData\Local\Temp\ExpressVPN.exe
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:532

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ExpressVPN.exe.log
Filesize
700B

MD5
e5352797047ad2c91b83e933b24fbc4f

SHA1
9bf8ac99b6cbf7ce86ce69524c25e3df75b4d772

SHA256
b4643874d42d232c55bfbb75c36da41809d0c9ba4b2a203049aa82950345325c

SHA512
dd2fc1966c8b3c9511f14801d1ce8110d6bca276a58216b5eeb0a3cfbb0cc8137ea14efbf790e63736230141da456cbaaa4e5c66f2884d4cfe68f499476fd827

Download Submit
memory/532-139-0x00000000077A0000-0x00000000077DC000-memory.dmp

Filesize
240KB

Download
memory/532-138-0x0000000007870000-0x000000000797A000-memory.dmp

Filesize
1.0MB

Download
memory/532-143-0x000000000A380000-0x000000000A8AC000-memory.dmp

Filesize
5.2MB

Download
memory/532-134-0x0000000000000000-mapping.dmp

Download
memory/532-135-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/532-136-0x0000000005DF0000-0x0000000006408000-memory.dmp

Filesize
6.1MB

Download
memory/532-137-0x0000000007710000-0x0000000007722000-memory.dmp

Filesize
72KB

Download
memory/532-142-0x0000000009C80000-0x0000000009E42000-memory.dmp

Filesize
1.8MB

Download
memory/532-141-0x0000000008790000-0x0000000008822000-memory.dmp

Filesize
584KB

Download
memory/532-140-0x0000000008580000-0x00000000085E6000-memory.dmp

Filesize
408KB

Download
memory/3440-130-0x0000000000490000-0x00000000004C6000-memory.dmp

Filesize
216KB

Download
memory/3440-132-0x0000000004F50000-0x0000000004F6E000-memory.dmp

Filesize
120KB

Download
memory/3440-133-0x0000000007C20000-0x00000000081C4000-memory.dmp

Filesize
5.6MB

Download
memory/3440-131-0x0000000007560000-0x00000000075D6000-memory.dmp

Filesize
472KB

Download

Analysis

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