stealc | 725b035cd4da0b8b4e42df16cd6c95cd46213f143f1654f78bd75e42db76c078

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 01:00

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General

Target

6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe
Size

1.7MB
MD5

17abc9d745f45caf5d09d735e9545148
SHA1

2deba4d16169f6a34c8f04113659be75bf4c0541
SHA256

6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77
SHA512

970d73517f9ec7cc2b14452354706532bf9da9c8e510760747bbbfb14e731ae2b38370e4a244ec14425a5141929e09ffaa002dd1d11a198feb76ee7e2110d8c5
SSDEEP

49152:EmCk8AtsXcyxYxlrrCDEUinZuW4VvexQ8r/8TJbb4Ug:cy6XcFxrVUiwWTrktbbf

Score

10^/10

stealc nord discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

nord

http://185.215.113.100

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Wine	6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1316	6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1316	6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe

C:\Users\Admin\AppData\Local\Temp\6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe
"C:\Users\Admin\AppData\Local\Temp\6ad985ac636b93d6c040972403b0de2f643614483a4157d897d2ca310917fd77.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1316-0-0x0000000000170000-0x00000000007EF000-memory.dmp

Filesize
6.5MB

Download
memory/1316-1-0x00000000770F0000-0x00000000770F2000-memory.dmp

Filesize
8KB

Download
memory/1316-3-0x0000000000170000-0x00000000007EF000-memory.dmp

Filesize
6.5MB

Download
memory/1316-2-0x0000000000171000-0x0000000000185000-memory.dmp

Filesize
80KB

Download
memory/1316-4-0x0000000000170000-0x00000000007EF000-memory.dmp

Filesize
6.5MB

Download