redline | 1dd30d7863a6687e4810a4f8da7e6aae7c12c6633df0517872682fbdfb951d7c

General

Target

UltraViolince.exe
Size

388KB
MD5

eed18b5e8e965f41241e3bbd9364c101
SHA1

ab91d2db2b030049c8df0a17f60930ccff2e1ea4
SHA256

1dd30d7863a6687e4810a4f8da7e6aae7c12c6633df0517872682fbdfb951d7c
SHA512

2a6e429e2f3c218a330912483f91f67c4c6641644129c8a7a19e3f14f6d988854c2df1833af04dd95bd784fa1b0f217255e1abdc54d57bc2fedd136c0fef0b81
SSDEEP

12288:Fjy9qoZEQc2vKIkOMKTpQMCpkTNk9S4wYU7JKS3Jpx:Fjy9DBaI2mvIkT

Score

10^/10

redline credential_access discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

C2

185.196.9.26:6302

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/4984-11-0x0000000000500000-0x0000000000552000-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

Loads dropped DLL 1 IoCs

pid	Process
1908	UltraViolince.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1908 set thread context of 4984	1908	UltraViolince.exe	83

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	UltraViolince.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4984	MSBuild.exe
4984	MSBuild.exe
4984	MSBuild.exe
4984	MSBuild.exe
4984	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4984	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 4984	1908	UltraViolince.exe	83
PID 1908 wrote to memory of 4984	1908	UltraViolince.exe	83
PID 1908 wrote to memory of 4984	1908	UltraViolince.exe	83
PID 1908 wrote to memory of 4984	1908	UltraViolince.exe	83
PID 1908 wrote to memory of 4984	1908	UltraViolince.exe	83
PID 1908 wrote to memory of 4984	1908	UltraViolince.exe	83
PID 1908 wrote to memory of 4984	1908	UltraViolince.exe	83
PID 1908 wrote to memory of 4984	1908	UltraViolince.exe	83

C:\Users\Admin\AppData\Local\Temp\UltraViolince.exe
"C:\Users\Admin\AppData\Local\Temp\UltraViolince.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\msvcp110.dll

Filesize
575KB

MD5
4a8fc69afbfaa88521d40d32bed422e4

SHA1
dd7195c02639bdf85bb527c88f90bf3b909eca5c

SHA256
9eef9d9d19da3b0c5ace83d9d2b520b1c20c7dd85b9b10b5db2a9144cb08b883

SHA512
9ed1d1150cca0a30bd79c254f1c3f6e96c95871fa8cb874bfb910f62b8863008bddb1800cf5cc8e05649e17fa6e9a8eff9d88e1d08e5dcb8fbd2dfa6d2f49ce0

Download Submit
memory/1908-13-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/1908-1-0x00000000003E0000-0x000000000044A000-memory.dmp

Filesize
424KB

Download
memory/1908-2-0x0000000004E70000-0x0000000004E76000-memory.dmp

Filesize
24KB

Download
memory/1908-3-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/1908-10-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/1908-0-0x000000007511E000-0x000000007511F000-memory.dmp

Filesize
4KB

Download
memory/4984-18-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-22-0x0000000004D50000-0x0000000004D8C000-memory.dmp

Filesize
240KB

Download
memory/4984-16-0x0000000004AA0000-0x0000000004B32000-memory.dmp

Filesize
584KB

Download
memory/4984-15-0x0000000004FB0000-0x0000000005554000-memory.dmp

Filesize
5.6MB

Download
memory/4984-17-0x0000000004A80000-0x0000000004A8A000-memory.dmp

Filesize
40KB

Download
memory/4984-11-0x0000000000500000-0x0000000000552000-memory.dmp

Filesize
328KB

Download
memory/4984-19-0x0000000005B80000-0x0000000006198000-memory.dmp

Filesize
6.1MB

Download
memory/4984-20-0x0000000004E00000-0x0000000004F0A000-memory.dmp

Filesize
1.0MB

Download
memory/4984-21-0x0000000004CF0000-0x0000000004D02000-memory.dmp

Filesize
72KB

Download
memory/4984-14-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-23-0x0000000004DA0000-0x0000000004DEC000-memory.dmp

Filesize
304KB

Download
memory/4984-24-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/4984-25-0x0000000006530000-0x0000000006580000-memory.dmp

Filesize
320KB

Download
memory/4984-26-0x0000000006850000-0x0000000006A12000-memory.dmp

Filesize
1.8MB

Download
memory/4984-27-0x0000000006F50000-0x000000000747C000-memory.dmp

Filesize
5.2MB

Download
memory/4984-28-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-29-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-31-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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