redline | 5d06ec15c9349e9ae13d477fdab3d1a50b9bf784a726aff3a48dbcd5f99e493a

General

Target

file.exe
Size

313KB
MD5

324d2a434b8a3e038661a75587e303b8
SHA1

21e1be17da8e401a5928f5cdf5c262cefb305910
SHA256

5d06ec15c9349e9ae13d477fdab3d1a50b9bf784a726aff3a48dbcd5f99e493a
SHA512

eaf7d0393a62b2187614b3234a280d938ac2cbb9659117b39b2d482c909dea207b685ff7be46b4045468628958a03aa460f9dbc71b1566f54f2f252c934fd374
SSDEEP

6144:xJcrjyufnjS1Ht3pHjDNItvNoCOD6iuh52HK7q1BU0H:HUuufjSVbJnn650K21

Score

10^/10

redline @poretynojem credential_access discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

@PORETYNOJEM

C2

185.215.113.22:80

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral2/memory/1404-3-0x0000000000400000-0x0000000000452000-memory.dmp	family_redline

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
T1552.001
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 4792 set thread context of 1404	4792	file.exe	86

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

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1404	RegAsm.exe
1404	RegAsm.exe
1404	RegAsm.exe
1404	RegAsm.exe
1404	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 2520	4792	file.exe	85
PID 4792 wrote to memory of 2520	4792	file.exe	85
PID 4792 wrote to memory of 2520	4792	file.exe	85
PID 4792 wrote to memory of 1404	4792	file.exe	86
PID 4792 wrote to memory of 1404	4792	file.exe	86
PID 4792 wrote to memory of 1404	4792	file.exe	86
PID 4792 wrote to memory of 1404	4792	file.exe	86
PID 4792 wrote to memory of 1404	4792	file.exe	86
PID 4792 wrote to memory of 1404	4792	file.exe	86
PID 4792 wrote to memory of 1404	4792	file.exe	86
PID 4792 wrote to memory of 1404	4792	file.exe	86

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:4792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2520
- 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:1404

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\Tmp9B46.tmp

Filesize
2KB

MD5
1420d30f964eac2c85b2ccfe968eebce

SHA1
bdf9a6876578a3e38079c4f8cf5d6c79687ad750

SHA256
f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

SHA512
6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

Download Submit
memory/1404-31-0x0000000006EC0000-0x00000000074D8000-memory.dmp

Filesize
6.1MB

Download
memory/1404-32-0x0000000008740000-0x000000000884A000-memory.dmp

Filesize
1.0MB

Download
memory/1404-46-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/1404-6-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/1404-7-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/1404-8-0x0000000004FD0000-0x0000000005062000-memory.dmp

Filesize
584KB

Download
memory/1404-44-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/1404-10-0x0000000005090000-0x000000000509A000-memory.dmp

Filesize
40KB

Download
memory/1404-43-0x000000000AC90000-0x000000000B1BC000-memory.dmp

Filesize
5.2MB

Download
memory/1404-27-0x0000000005DB0000-0x0000000005E26000-memory.dmp

Filesize
472KB

Download
memory/1404-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1404-9-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/1404-38-0x00000000092C0000-0x0000000009326000-memory.dmp

Filesize
408KB

Download
memory/1404-33-0x0000000006DD0000-0x0000000006DE2000-memory.dmp

Filesize
72KB

Download
memory/1404-34-0x0000000006E30000-0x0000000006E6C000-memory.dmp

Filesize
240KB

Download
memory/1404-35-0x0000000006E70000-0x0000000006EBC000-memory.dmp

Filesize
304KB

Download
memory/1404-28-0x0000000006530000-0x000000000654E000-memory.dmp

Filesize
120KB

Download
memory/1404-39-0x00000000097C0000-0x0000000009810000-memory.dmp

Filesize
320KB

Download
memory/1404-42-0x0000000074850000-0x0000000075000000-memory.dmp

Filesize
7.7MB

Download
memory/1404-41-0x000000000A590000-0x000000000A752000-memory.dmp

Filesize
1.8MB

Download
memory/4792-40-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/4792-1-0x00000000008C0000-0x0000000000914000-memory.dmp

Filesize
336KB

Download
memory/4792-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/4792-5-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download

Analysis

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