stealc | 6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 11:42

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General

Target

6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe
Size

1.7MB
MD5

56e12bcc2bb16375c498e5ce71d2931c
SHA1

20adcd7bd6a7e620643f67bdffad49741eb8721c
SHA256

6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101
SHA512

3020f7e04909f97b1c50f29f9ea66801f389977e3316e7bded69daba22b5f22b304eec2659c4ea6394f14e617fee7cc2de4a1b3574f9488d3e0782d04c1c0416
SSDEEP

49152:628LO+tu9pMYtO10VFD8+dEh7EBKN3/g+hGQbgfMDAMn/:6vOftO10VFD8+dw5gRnVY

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.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\VideoBiosVersion	6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1808	6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.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	6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1808	6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe
1808	6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe

C:\Users\Admin\AppData\Local\Temp\6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.exe
"C:\Users\Admin\AppData\Local\Temp\6cf1009c216fd7f75654de4106d1473cead2c4e59185d28f2cafa562e14e9101.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:1808

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/1808-0-0x0000000000950000-0x0000000000FD2000-memory.dmp

Filesize
6.5MB

Download
memory/1808-1-0x0000000077B34000-0x0000000077B36000-memory.dmp

Filesize
8KB

Download
memory/1808-2-0x0000000000951000-0x0000000000968000-memory.dmp

Filesize
92KB

Download
memory/1808-3-0x0000000000950000-0x0000000000FD2000-memory.dmp

Filesize
6.5MB

Download
memory/1808-4-0x0000000000950000-0x0000000000FD2000-memory.dmp

Filesize
6.5MB

Download