redline | 4fb57da6d703e8bebfdd51b7f579fb36127eee300880eeb5ca2be3f00cce154e

Analysis

max time kernel
136s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
08-08-2022 05:38

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General

Target

tmp.exe
Size

784KB
MD5

43089a1a50b1981a4dba7959e31e62f1
SHA1

c8db527eba66719e365672a17bd1eddc2085de9a
SHA256

4fb57da6d703e8bebfdd51b7f579fb36127eee300880eeb5ca2be3f00cce154e
SHA512

2777758eff7684d51ca8bc060f0652c14ef6999375061262acb5a741a2c927cfefe46bbbe733530777bd1d08893cce8e7f0631e157ff2069f6c75c5f3624b0fa

Score

10^/10

redline torrentold infostealer

Malware Config

Extracted

Family

redline

Botnet

TORRENTOLD

amrican-sport-live-stream.cc:4581

Attributes

auth_value
74e1b58bf920611f04c0e3919954fe05

Signatures

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

RedLine payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3948-136-0x0000000000400000-0x0000000000444000-memory.dmp	family_redline

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{25AA4496-B273-462C-AFBC-8376C5C26357}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{14502EEA-8363-4FD7-8F16-BA48C9933EE3}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

tmp.exe

description pid process target process

PID 3864 set thread context of 3948 3864 tmp.exe RegAsm.exe

description	pid	process	target process
PID 3864 set thread context of 3948	3864	tmp.exe	RegAsm.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

tmp.exe

pid process

3864 tmp.exe
3864 tmp.exe
3864 tmp.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmp.exe

description pid process

Token: SeDebugPrivilege 3864 tmp.exe

pid	process
3864	tmp.exe
3864	tmp.exe
3864	tmp.exe

description	pid	process
Token: SeDebugPrivilege	3864	tmp.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 3864 wrote to memory of 3948	3864	tmp.exe	RegAsm.exe
PID 3864 wrote to memory of 3948	3864	tmp.exe	RegAsm.exe
PID 3864 wrote to memory of 3948	3864	tmp.exe	RegAsm.exe
PID 3864 wrote to memory of 3948	3864	tmp.exe	RegAsm.exe
PID 3864 wrote to memory of 3948	3864	tmp.exe	RegAsm.exe
PID 3864 wrote to memory of 3948	3864	tmp.exe	RegAsm.exe
PID 3864 wrote to memory of 3948	3864	tmp.exe	RegAsm.exe
PID 3864 wrote to memory of 3948	3864	tmp.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3864

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
PID:3948

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3864-130-0x0000000000D70000-0x0000000000E3A000-memory.dmp

Filesize
808KB

Download
memory/3864-131-0x00000000059D0000-0x00000000059F2000-memory.dmp

Filesize
136KB

Download
memory/3864-132-0x000000002BBF0000-0x000000002BC56000-memory.dmp

Filesize
408KB

Download
memory/3864-133-0x000000002C0A0000-0x000000002C132000-memory.dmp

Filesize
584KB

Download
memory/3864-134-0x000000002C6F0000-0x000000002CC94000-memory.dmp

Filesize
5.6MB

Download
memory/3948-135-0x0000000000000000-mapping.dmp

Download
memory/3948-136-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3948-137-0x000000000AEA0000-0x000000000B4B8000-memory.dmp

Filesize
6.1MB

Download
memory/3948-138-0x000000000A940000-0x000000000A952000-memory.dmp

Filesize
72KB

Download
memory/3948-139-0x000000000AA70000-0x000000000AB7A000-memory.dmp

Filesize
1.0MB

Download
memory/3948-140-0x000000000A9A0000-0x000000000A9DC000-memory.dmp

Filesize
240KB

Download