stealc | 723bfd01e15a1f686d51d465ddb8844efb9265f1fe266c3cba67867476125adc

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 01:39

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General

Target

9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.exe
Size

2.1MB
MD5

bbcc32dc6b38c304fd1e85e156e19753
SHA1

b1afa09577e219950778ee0336ecc59ea9d19f04
SHA256

9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387
SHA512

8f2a5aa684f6876d97e0f6ac4ac378429af0b09a1b956a42444eed9b54629469acdc7ef6a97aab3f75d4bdc0dd47c4d21dd3166562af15e0a49beede5346ca7d
SSDEEP

49152:eCA4FZHnotlSUbp/bH1VP81EkNO4dL5PIJ9ACh0tMcyJDW:eCPNsSeH1VcA4d1PYAPVy

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__	9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.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	9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1984	9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.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	9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1984	9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.exe

C:\Users\Admin\AppData\Local\Temp\9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.exe
"C:\Users\Admin\AppData\Local\Temp\9424a09ca4319cd342a64203eda4b47c4e48b96c5194e90c55e40f34c2601387.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:1984

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/1984-0-0x0000000001320000-0x0000000001A64000-memory.dmp

Filesize
7.3MB

Download
memory/1984-1-0x0000000077B90000-0x0000000077B92000-memory.dmp

Filesize
8KB

Download
memory/1984-2-0x0000000001321000-0x0000000001389000-memory.dmp

Filesize
416KB

Download
memory/1984-3-0x0000000001320000-0x0000000001A64000-memory.dmp

Filesize
7.3MB

Download
memory/1984-4-0x0000000001320000-0x0000000001A64000-memory.dmp

Filesize
7.3MB

Download