stealc | 9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 07:41

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General

Target

9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe
Size

1.7MB
MD5

7d7a9cbd9a9e351007c97f4188646364
SHA1

70eabae5c5f46f92c1ec3b11a9ebf6efeb1c3e67
SHA256

9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217
SHA512

bdbaf0d05d307ebc251326a7e81327d84af6e5f3a1974e945f9eedc507fbd8661c4192ac85ce2660fbe2a669ee09e208c6c7401991ccd3d0c11492b80113c8fa
SSDEEP

24576:+RzYfWqI9zJ9mcDlFkQK9ZKTJdz3+qBBJzUMSlDQEVB2KsYZw2olUUzVodYtDO:+RSsNFQg/nm3iCBRsDr7O

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:

9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.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:

9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.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:

9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

pid process

2240 9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

pid	process
2240	9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.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:

9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

pid process

2240 9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

pid	process
2240	9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe

C:\Users\Admin\AppData\Local\Temp\9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.exe
"C:\Users\Admin\AppData\Local\Temp\9c8f21261186119346f9503cade60f914eee5259ae158ee0d6ab9f4044c24217.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:2240

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/2240-0-0x00000000000C0000-0x0000000000741000-memory.dmp

Filesize
6.5MB

Download
memory/2240-1-0x00000000774A0000-0x00000000774A2000-memory.dmp

Filesize
8KB

Download
memory/2240-2-0x00000000000C1000-0x00000000000D8000-memory.dmp

Filesize
92KB

Download
memory/2240-3-0x00000000000C0000-0x0000000000741000-memory.dmp

Filesize
6.5MB

Download
memory/2240-5-0x00000000000C0000-0x0000000000741000-memory.dmp

Filesize
6.5MB

Download