redline | 6c8f0778c3e717db0505aa02c6d3b0cd0d25cf8d5210c5ab6aa389a927b855d7

General

Target

Document.pdf/Document.pdf.scr
Size

700.0MB
MD5

ea7b8236ca438995b2ee7604043fc20c
SHA1

4543d6fbe467c8a17b962e0c19a25fd59d82ded8
SHA256

954e35d28e5938766eb6922e08a4e26d5ed892a1578027374d945efbe0d927e3
SHA512

22a1173def10e7c74fbcef024127f87635a508044c4fbbfa2f4e32b05823b5fc9fa166645851dbaa32c926a735745ca727dc0183a72fd9f3cc222f9f07395a7a

Score

10^/10

redline 1 infostealer spyware

Malware Config

Extracted

Family

redline

Botnet

1

C2

62.204.41.139:25190

Attributes

auth_value
2c239ad7c28c8eab1f9626557bb9457a

Signatures

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

RedLine payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/560-66-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/560-67-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/560-69-0x000000000041ADB2-mapping.dmp	family_redline
behavioral1/memory/560-68-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/560-71-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/560-73-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

Document.pdf.scr

description pid process target process

PID 1912 set thread context of 560 1912 Document.pdf.scr AppLaunch.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeDocument.pdf.scrAppLaunch.exe

pid process

1548 powershell.exe
1912 Document.pdf.scr
560 AppLaunch.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Document.pdf.scrpowershell.exeAppLaunch.exe

description pid process

Token: SeDebugPrivilege 1912 Document.pdf.scr
Token: SeDebugPrivilege 1548 powershell.exe
Token: SeDebugPrivilege 560 AppLaunch.exe

description	pid	process	target process
PID 1912 set thread context of 560	1912	Document.pdf.scr	AppLaunch.exe

pid	process
1548	powershell.exe
1912	Document.pdf.scr
560	AppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	1912	Document.pdf.scr
Token: SeDebugPrivilege	1548	powershell.exe
Token: SeDebugPrivilege	560	AppLaunch.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Document.pdf.scr

description	pid	process	target process
PID 1912 wrote to memory of 1548	1912	Document.pdf.scr	powershell.exe
PID 1912 wrote to memory of 1548	1912	Document.pdf.scr	powershell.exe
PID 1912 wrote to memory of 1548	1912	Document.pdf.scr	powershell.exe
PID 1912 wrote to memory of 1548	1912	Document.pdf.scr	powershell.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe
PID 1912 wrote to memory of 560	1912	Document.pdf.scr	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\Document.pdf\Document.pdf.scr
"C:\Users\Admin\AppData\Local\Temp\Document.pdf\Document.pdf.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1548

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/560-69-0x000000000041ADB2-mapping.dmp

Download
memory/560-66-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/560-73-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/560-71-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/560-63-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/560-68-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/560-67-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/560-64-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1548-58-0x0000000000000000-mapping.dmp

Download
memory/1548-61-0x000000006F3F0000-0x000000006F99B000-memory.dmp

Filesize
5.7MB

Download
memory/1548-62-0x000000006F3F0000-0x000000006F99B000-memory.dmp

Filesize
5.7MB

Download
memory/1548-60-0x000000006F3F0000-0x000000006F99B000-memory.dmp

Filesize
5.7MB

Download
memory/1912-55-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1912-54-0x0000000000F80000-0x00000000011A6000-memory.dmp

Filesize
2.1MB

Download
memory/1912-57-0x00000000058F0000-0x0000000005982000-memory.dmp

Filesize
584KB

Download
memory/1912-56-0x0000000004FA0000-0x0000000005002000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing