redline | d56a1a5602b5e72b8b9b2d6f2e0c5bc689682d0983f30b8c66dad9af093679b3

General

Target

file.exe
Size

314KB
MD5

f2d385ddbb2edafacd070f103f7f1576
SHA1

5ee6cb80bc943476067c148e5c16738b7b062029
SHA256

d56a1a5602b5e72b8b9b2d6f2e0c5bc689682d0983f30b8c66dad9af093679b3
SHA512

e6ee00d15483ef29fb7e48ed28833ce5059f7bfada96b92c350246f6032f85d318571950bf6d2ee557e417e87d24d90965aa1523782416792fa7eb7354266df5
SSDEEP

6144:8KNfu572RY1YNfnlxThJDfeDp7B9wNjudYHpHNHqQtb4qNp28Rrm:82Gt2RhNfz/u1B9wNSd0UQF4t8pm

Score

10^/10

redline livetraffic discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

LiveTraffic

C2

136.244.88.135:17615

Signatures

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

RedLine payload 5 IoCs

resource	yara_rule
behavioral1/memory/2060-6-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline
behavioral1/memory/2060-13-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline
behavioral1/memory/2060-11-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline
behavioral1/memory/2060-9-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline
behavioral1/memory/2060-5-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

description	pid	Process	procid_target
PID 2404 set thread context of 2060	2404	file.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2060	RegAsm.exe
2060	RegAsm.exe
2060	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31
PID 2404 wrote to memory of 2060	2404	file.exe	31

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\TmpC746.tmp

Filesize
2KB

MD5
1420d30f964eac2c85b2ccfe968eebce

SHA1
bdf9a6876578a3e38079c4f8cf5d6c79687ad750

SHA256
f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

SHA512
6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

Download Submit
memory/2060-6-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2060-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2060-13-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2060-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2060-9-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2060-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2060-5-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2060-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2404-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2404-1-0x0000000000A20000-0x0000000000A74000-memory.dmp

Filesize
336KB

Download
memory/2404-14-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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