stealc | 5ffdde826f4819f1bfa44e6e132b744afb4f84eaa80021ca1d1040101109b71d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/10/2024, 14:19

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General

Target

file.exe
Size

1.8MB
MD5

210b310a32ae4449a56d8b88ac0c9741
SHA1

84b5c4fa29c0eb1c7f16439340d31fa6338666e5
SHA256

5ffdde826f4819f1bfa44e6e132b744afb4f84eaa80021ca1d1040101109b71d
SHA512

ee1ce400c67a64d278202225ddb6d400b3e62e243b7056431313841f2c89e3d55d60ae56e883a3cfae271cf825a581f79bee5c9a178f8a42257050fc5b71732f
SSDEEP

49152:vi3HelG/MVmci3/F5iVQ3E9UnyCYabeAA:vGqmcp41KHMeA

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

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__	file.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\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2660	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2660	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:2660

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/2660-0-0x00000000002D0000-0x0000000000970000-memory.dmp

Filesize
6.6MB

Download
memory/2660-1-0x00000000778F0000-0x00000000778F2000-memory.dmp

Filesize
8KB

Download
memory/2660-2-0x00000000002D1000-0x00000000002F4000-memory.dmp

Filesize
140KB

Download
memory/2660-3-0x00000000002D0000-0x0000000000970000-memory.dmp

Filesize
6.6MB

Download
memory/2660-4-0x00000000002D0000-0x0000000000970000-memory.dmp

Filesize
6.6MB

Download
memory/2660-5-0x00000000002D0000-0x0000000000970000-memory.dmp

Filesize
6.6MB

Download
memory/2660-6-0x00000000002D0000-0x0000000000970000-memory.dmp

Filesize
6.6MB

Download