stealc | 16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38

Analysis

max time kernel
93s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 06:37

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General

Target

16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe
Size

1.7MB
MD5

1985940ef71e9d231331fe3e14e49aeb
SHA1

57811d06521e1afe48fd339cc8d35f6986b0132e
SHA256

16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38
SHA512

1b8c52c50938797425b9d9eae0f674bda97ebed977f142c8300369c69804dc06b7433437025d3c10896db234f07b4ef936407ea9f2ebf9b568301bcaab4be17a
SSDEEP

49152:toBu4wjPsAgeUE+SERjvwfG1SxNGtvloFa:+egJvOGkbKloFa

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.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

Processes:

16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.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

Processes:

16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.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

Processes:

16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

pid process

3428 16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.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

Processes:

16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

pid	process
3428	16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe
3428	16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe

C:\Users\Admin\AppData\Local\Temp\16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.exe
"C:\Users\Admin\AppData\Local\Temp\16c7ce027ab12f1254d43cc2b6b5cb8fdc5e257b95baf14f001b232597118a38.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:3428

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/3428-0-0x0000000000760000-0x0000000000DFA000-memory.dmp

Filesize
6.6MB

Download
memory/3428-1-0x0000000077834000-0x0000000077836000-memory.dmp

Filesize
8KB

Download
memory/3428-2-0x0000000000761000-0x0000000000778000-memory.dmp

Filesize
92KB

Download
memory/3428-3-0x0000000000760000-0x0000000000DFA000-memory.dmp

Filesize
6.6MB

Download
memory/3428-5-0x0000000000760000-0x0000000000DFA000-memory.dmp

Filesize
6.6MB

Download