stealc | 8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 06:47

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General

Target

8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.exe
Size

1.7MB
MD5

ede7bb1aa29b10ac0639651d548d5e5b
SHA1

299ad0cd930fa5fb30e48221d4a7a7bf520c8440
SHA256

8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1
SHA512

5e2f6050e57692f62738cfc5f1f2c6966c4de4b1c34a45b170e7afc23f8f9ac0c82d5627b39546777c9d64021a1ebce25b45a23949dd56d5bc4244afac77a090
SSDEEP

24576:2mUiRAmjMLSR3wVtv9jy3wDeSSfKXIpuEZOaP9dOl2s4g3deQSiuKfDekBbzy2cB:2X+MLS5ktcueSaK/EFje3u0Ccz5U

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.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	8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
380	8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.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	8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
380	8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.exe
380	8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.exe

C:\Users\Admin\AppData\Local\Temp\8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.exe
"C:\Users\Admin\AppData\Local\Temp\8ad021742723e3f870c9f6d4841765e2bdae42aa8f6c9a8435d1617aa0abd9c1.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:380

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

Replay Monitor

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Downloads

memory/380-0-0x0000000000D10000-0x000000000138E000-memory.dmp

Filesize
6.5MB

Download
memory/380-1-0x0000000077414000-0x0000000077416000-memory.dmp

Filesize
8KB

Download
memory/380-2-0x0000000000D11000-0x0000000000D28000-memory.dmp

Filesize
92KB

Download
memory/380-3-0x0000000000D10000-0x000000000138E000-memory.dmp

Filesize
6.5MB

Download
memory/380-5-0x0000000000D10000-0x000000000138E000-memory.dmp

Filesize
6.5MB

Download