stealc | 40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 02:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.exe
Size

2.0MB
MD5

f59fc97e77a2ffd612e859320bd26cd8
SHA1

e374e4961a48530d10f00a9695571f6308ee3256
SHA256

40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87
SHA512

49311b6d602823130f35944b2aa05c7fbdc0fd2571121b9873d2af84d598027db3094d4b61fecad8aaf533a8434a665fb6e752bfd8f0642959cb534d2f7ffa9e
SSDEEP

49152:Nd2n6dFSD46gynydxIObKxON1r7XeAXfn/nYCMobTVRzx:/EJJDAxbDhplvn

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__	40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.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	40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2540	40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.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	40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2540	40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.exe
2540	40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.exe

C:\Users\Admin\AppData\Local\Temp\40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.exe
"C:\Users\Admin\AppData\Local\Temp\40fb6fc67e09a7b5332970c9fe881c277409a6892e47605c4609aca30f0dde87.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:2540

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

Loading Replay Monitor...

Downloads

memory/2540-0-0x0000000000590000-0x0000000000CC0000-memory.dmp

Filesize
7.2MB

Download
memory/2540-1-0x0000000077384000-0x0000000077386000-memory.dmp

Filesize
8KB

Download
memory/2540-2-0x0000000000591000-0x00000000005F9000-memory.dmp

Filesize
416KB

Download
memory/2540-3-0x0000000000590000-0x0000000000CC0000-memory.dmp

Filesize
7.2MB

Download
memory/2540-4-0x0000000000590000-0x0000000000CC0000-memory.dmp

Filesize
7.2MB

Download