redline | f7aa7848b465cabf2afd062d7831fe0fe499c765a06a5544128f3816e3097104

Analysis

max time kernel
25s
max time network
30s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
29-12-2024 19:05

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General

Target

Crypto Miner Builder.exe
Size

572KB
MD5

c6e1b4c935a6fc29c0761b51b9d0b436
SHA1

16845245dcc7eff90a4e45ed2586d18e6ca181be
SHA256

f7aa7848b465cabf2afd062d7831fe0fe499c765a06a5544128f3816e3097104
SHA512

8f663865b5bd0254c9764d9523542da074d3dd012f453bb46a73bde908ca162f9c1fdc304960921fbc57d39afcc946eae6a8e7f21d3c2f8c58080a6621e20567
SSDEEP

12288:18DYqxPebX3qEhMwiQ1Mr5f6G5UDYvqrC8ZJeJyP2n:14pPebX3qaOQ1M9yG5ULrDZP2n

Score

10^/10

redline discovery infostealer

Malware Config

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/2472-6-0x0000000000400000-0x0000000000480000-memory.dmp	family_redline

Redline family
redline

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5376 set thread context of 2472	5376	Crypto Miner Builder.exe	78

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	Crypto Miner Builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5376 wrote to memory of 2472	5376	Crypto Miner Builder.exe	78
PID 5376 wrote to memory of 2472	5376	Crypto Miner Builder.exe	78
PID 5376 wrote to memory of 2472	5376	Crypto Miner Builder.exe	78
PID 5376 wrote to memory of 2472	5376	Crypto Miner Builder.exe	78
PID 5376 wrote to memory of 2472	5376	Crypto Miner Builder.exe	78
PID 5376 wrote to memory of 2472	5376	Crypto Miner Builder.exe	78
PID 5376 wrote to memory of 2472	5376	Crypto Miner Builder.exe	78
PID 5376 wrote to memory of 2472	5376	Crypto Miner Builder.exe	78

C:\Users\Admin\AppData\Local\Temp\Crypto Miner Builder.exe
"C:\Users\Admin\AppData\Local\Temp\Crypto Miner Builder.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5376
- 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
  PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2472-13-0x0000000005630000-0x0000000005642000-memory.dmp

Filesize
72KB

Download
memory/2472-17-0x0000000074410000-0x0000000074BC1000-memory.dmp

Filesize
7.7MB

Download
memory/2472-16-0x00000000056F0000-0x000000000573C000-memory.dmp

Filesize
304KB

Download
memory/2472-15-0x0000000005690000-0x00000000056CC000-memory.dmp

Filesize
240KB

Download
memory/2472-6-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2472-9-0x0000000074410000-0x0000000074BC1000-memory.dmp

Filesize
7.7MB

Download
memory/2472-14-0x0000000005760000-0x000000000586A000-memory.dmp

Filesize
1.0MB

Download
memory/2472-11-0x0000000074410000-0x0000000074BC1000-memory.dmp

Filesize
7.7MB

Download
memory/2472-12-0x0000000005BB0000-0x00000000061C8000-memory.dmp

Filesize
6.1MB

Download
memory/5376-5-0x0000000074410000-0x0000000074BC1000-memory.dmp

Filesize
7.7MB

Download
memory/5376-10-0x0000000074410000-0x0000000074BC1000-memory.dmp

Filesize
7.7MB

Download
memory/5376-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/5376-2-0x0000000074410000-0x0000000074BC1000-memory.dmp

Filesize
7.7MB

Download
memory/5376-1-0x0000000000690000-0x0000000000722000-memory.dmp

Filesize
584KB

Download