stealc | 25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 02:13

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General

Target

25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe
Size

1.7MB
MD5

c2cf363b2da0c5b29e372b342e0385c9
SHA1

b69d9a2af6b918129330c74ded7d18f49c3c14bf
SHA256

25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387
SHA512

ddb494900a8cfab33d15eaa633fd7892ac4cb19ccb377b891093cb4ce9991354770c69daab8eb3c68641ff6181eb4a11ada2cd50ef28c02fd8c70a9b6d0d78bd
SSDEEP

49152:Wais1gR7JFQlAMOODkpVzY2R5QvVv9oxkSSGkGV:Wk1E7qAMdDkpJGVT2V

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:

25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.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:

25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.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:

25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

pid process

2324 25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.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:

25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

pid	process
2324	25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe
2324	25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe

C:\Users\Admin\AppData\Local\Temp\25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.exe
"C:\Users\Admin\AppData\Local\Temp\25289cd2afe05685632e8eb6b6170ff9c876b726dd1bf67543121d44bc384387.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:2324

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/2324-0-0x00000000004C0000-0x0000000000B51000-memory.dmp

Filesize
6.6MB

Download
memory/2324-1-0x0000000076ED4000-0x0000000076ED6000-memory.dmp

Filesize
8KB

Download
memory/2324-2-0x00000000004C1000-0x00000000004D8000-memory.dmp

Filesize
92KB

Download
memory/2324-3-0x00000000004C0000-0x0000000000B51000-memory.dmp

Filesize
6.6MB

Download
memory/2324-4-0x00000000004C0000-0x0000000000B51000-memory.dmp

Filesize
6.6MB

Download