stealc | ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 08:21

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General

Target

ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe
Size

1.7MB
MD5

084c800eeb3fb324f96f175b66dfe1a8
SHA1

3c9d1ca82d4bb560277f4ad571264f01f3b6ef69
SHA256

ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9
SHA512

d046fab422a4a08699657d135fca642979db7312c1478fa5e2b939ba63cb0d38829c70366e0c62f8908ef5bb657600fc7ec7074240b776177cd9a35dbf60cb83
SSDEEP

49152:YvAFquWX3EEG5SMmAVatn2FYGV3zqiAjeF3ehX8fy:+yfWX3w9mAVatkYgeL+y

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:

ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.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:

ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.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:

ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

pid process

2280 ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

pid	process
2280	ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.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:

ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

pid process

2280 ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

pid	process
2280	ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe

C:\Users\Admin\AppData\Local\Temp\ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.exe
"C:\Users\Admin\AppData\Local\Temp\ea0504f697d259cd0575a38731c39101dd27aae12cd0a1b9ae6e9f4e2c72e4e9.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:2280

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/2280-0-0x0000000000A80000-0x0000000001112000-memory.dmp

Filesize
6.6MB

Download
memory/2280-1-0x00000000773B0000-0x00000000773B2000-memory.dmp

Filesize
8KB

Download
memory/2280-2-0x0000000000A81000-0x0000000000A98000-memory.dmp

Filesize
92KB

Download
memory/2280-3-0x0000000000A80000-0x0000000001112000-memory.dmp

Filesize
6.6MB

Download
memory/2280-4-0x0000000000A80000-0x0000000001112000-memory.dmp

Filesize
6.6MB

Download