stealc | 80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397

Analysis

max time kernel
93s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 02:35

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General

Target

80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe
Size

1.7MB
MD5

a437168be1387bd482c93fdd3e4c17c3
SHA1

35e08424681845202ada3ba4f381ab08425994bc
SHA256

80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397
SHA512

207732e77cf187f76b9379a41ff113d7ac0b1e425c62f66018792261018c1073d8740b7379c3c7d9840992d468f6b1ede0c0e960aa4ad64ad304ab3fcc705b9d
SSDEEP

49152:Uqhjxt9gIWaAR+g87+XnVasX6bDoYwGj:UGt9/AZ87+F7X648

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:

80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.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:

80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.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:

80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

pid process

2780 80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.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:

80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

pid	process
2780	80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe
2780	80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe

C:\Users\Admin\AppData\Local\Temp\80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.exe
"C:\Users\Admin\AppData\Local\Temp\80eec7bf8719c819d91894cffb672844f8169b0725b02b60298d1f9de6831397.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:2780

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/2780-0-0x00000000006E0000-0x0000000000D69000-memory.dmp

Filesize
6.5MB

Download
memory/2780-1-0x0000000076F34000-0x0000000076F36000-memory.dmp

Filesize
8KB

Download
memory/2780-2-0x00000000006E1000-0x00000000006F8000-memory.dmp

Filesize
92KB

Download
memory/2780-3-0x00000000006E0000-0x0000000000D69000-memory.dmp

Filesize
6.5MB

Download
memory/2780-4-0x00000000006E0000-0x0000000000D69000-memory.dmp

Filesize
6.5MB

Download