redline | 21a4f680cef40c7b20d4a7a8e7ae5abac61170468bb3305517a058f7861063ec

General

Target

21a4f680cef40c7b20d4a7a8e7ae5abac61170468bb3305517a058f7861063ecN.dll
Size

591KB
MD5

c7776cf65b30f26bc8c1f70ab831b4a0
SHA1

004a04774d441f44ba043dc2c8ead6b60fdf4e0a
SHA256

21a4f680cef40c7b20d4a7a8e7ae5abac61170468bb3305517a058f7861063ec
SHA512

80d1d7ddf146ff1ef9ae17d33a5e17e052e3cacc84eda75809b4acb301a9924eefdd75a897a5cf6c6cfa6e4d8474676c4ead9452f9f0ebeef8f4ecd89615797e
SSDEEP

12288:DCsmETzPB9pIGSN9e2f2TNovGX0TX/ZVN+a/WKF40pJ2zrL8x19cp290S+5qxWdi:msNzPBQG89e2fKgGX0TX/ZVN+a/WKF4y

Score

10^/10

redline @vepr912 credential_access discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

@vepr912

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/1468-2-0x0000000000400000-0x0000000000452000-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
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 1228 set thread context of 1468	1228	rundll32.exe	85

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1468	MSBuild.exe
1468	MSBuild.exe
1468	MSBuild.exe
1468	MSBuild.exe
1468	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 1228	3028	rundll32.exe	84
PID 3028 wrote to memory of 1228	3028	rundll32.exe	84
PID 3028 wrote to memory of 1228	3028	rundll32.exe	84
PID 1228 wrote to memory of 1468	1228	rundll32.exe	85
PID 1228 wrote to memory of 1468	1228	rundll32.exe	85
PID 1228 wrote to memory of 1468	1228	rundll32.exe	85
PID 1228 wrote to memory of 1468	1228	rundll32.exe	85
PID 1228 wrote to memory of 1468	1228	rundll32.exe	85
PID 1228 wrote to memory of 1468	1228	rundll32.exe	85
PID 1228 wrote to memory of 1468	1228	rundll32.exe	85
PID 1228 wrote to memory of 1468	1228	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\21a4f680cef40c7b20d4a7a8e7ae5abac61170468bb3305517a058f7861063ecN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\21a4f680cef40c7b20d4a7a8e7ae5abac61170468bb3305517a058f7861063ecN.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1228
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1468

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\Local\Temp\Tmp8993.tmp

Filesize
2KB

MD5
1420d30f964eac2c85b2ccfe968eebce

SHA1
bdf9a6876578a3e38079c4f8cf5d6c79687ad750

SHA256
f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

SHA512
6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

Download Submit
memory/1228-1-0x0000000076EE1000-0x0000000077001000-memory.dmp

Filesize
1.1MB

Download
memory/1468-28-0x0000000007290000-0x00000000078A8000-memory.dmp

Filesize
6.1MB

Download
memory/1468-29-0x0000000008B10000-0x0000000008C1A000-memory.dmp

Filesize
1.0MB

Download
memory/1468-5-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/1468-6-0x0000000074060000-0x0000000074810000-memory.dmp

Filesize
7.7MB

Download
memory/1468-7-0x0000000005540000-0x000000000554A000-memory.dmp

Filesize
40KB

Download
memory/1468-3-0x000000007406E000-0x000000007406F000-memory.dmp

Filesize
4KB

Download
memory/1468-24-0x0000000006250000-0x00000000062C6000-memory.dmp

Filesize
472KB

Download
memory/1468-25-0x0000000006900000-0x000000000691E000-memory.dmp

Filesize
120KB

Download
memory/1468-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1468-4-0x0000000005A20000-0x0000000005FC4000-memory.dmp

Filesize
5.6MB

Download
memory/1468-30-0x00000000071A0000-0x00000000071B2000-memory.dmp

Filesize
72KB

Download
memory/1468-31-0x0000000007200000-0x000000000723C000-memory.dmp

Filesize
240KB

Download
memory/1468-32-0x0000000007240000-0x000000000728C000-memory.dmp

Filesize
304KB

Download
memory/1468-35-0x00000000097B0000-0x0000000009816000-memory.dmp

Filesize
408KB

Download
memory/1468-36-0x0000000009AB0000-0x0000000009B00000-memory.dmp

Filesize
320KB

Download
memory/1468-37-0x000000007406E000-0x000000007406F000-memory.dmp

Filesize
4KB

Download
memory/1468-38-0x0000000009E20000-0x0000000009FE2000-memory.dmp

Filesize
1.8MB

Download
memory/1468-39-0x000000000BF10000-0x000000000C43C000-memory.dmp

Filesize
5.2MB

Download
memory/1468-40-0x0000000074060000-0x0000000074810000-memory.dmp

Filesize
7.7MB

Download
memory/1468-42-0x0000000074060000-0x0000000074810000-memory.dmp

Filesize
7.7MB

Download

Analysis

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