stealc | 2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f

Analysis

max time kernel
139s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 03:05

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General

Target

2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.exe
Size

2.0MB
MD5

fbc1650a9c7f6f7c01aa9c1bd71cf2cb
SHA1

02a2bbc7edf8712575e11ca3a5b2fb38255b6851
SHA256

2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f
SHA512

58558bdc6385a1991c315a5c46b296e9c77ef8eb689f6f32f6a3270d0e2c19576bec877441c73697843f0a8d33b6b3c3deb7eddcc0491c5f4dedab2e5eba97d2
SSDEEP

49152:8fc9iSlMYFmn4/S0e4VJOfNcsNTPN5eLIzY:8ffSlMOZRbRsNpPY

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
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__	2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.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	2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4072	2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.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	2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4072	2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.exe
4072	2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.exe

C:\Users\Admin\AppData\Local\Temp\2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.exe
"C:\Users\Admin\AppData\Local\Temp\2222b91f09e31a309de68a2d7f66ef1ba8588d5fd0c92c6b15ca4d57622d509f.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:4072

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

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Downloads

memory/4072-0-0x0000000000340000-0x0000000000A6E000-memory.dmp

Filesize
7.2MB

Download
memory/4072-1-0x00000000774D4000-0x00000000774D6000-memory.dmp

Filesize
8KB

Download
memory/4072-2-0x0000000000341000-0x00000000003A9000-memory.dmp

Filesize
416KB

Download
memory/4072-3-0x0000000000340000-0x0000000000A6E000-memory.dmp

Filesize
7.2MB

Download
memory/4072-5-0x0000000000340000-0x0000000000A6E000-memory.dmp

Filesize
7.2MB

Download