stealc | c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd

Analysis

max time kernel
131s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2024 10:51

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General

Target

c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.exe
Size

1.7MB
MD5

4f742babf73027a08796b1e61af4d615
SHA1

251c97a671cb3386811f3c20203f97c4669affc8
SHA256

c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd
SHA512

4d60dfb940510720c0124ffd39bff5fc6458fad6fae9dfe6985b421681aa77055b4f976e1f4f1d9c82c27869f5f1c3b126c463922add584b3f3e4887b12e158b
SSDEEP

49152:yEbd6zCT3FyU3cxkkrWups+kSkCJ5i2o2o/k0WJM:pOCTQU0VrWupvlkCJ82X0WJ

Score

10^/10

stealc nord discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

nord

http://185.215.113.100

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.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\SystemBiosVersion	c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.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-1-5-21-2170637797-568393320-3232933035-1000\Software\Wine	c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2404	c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.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	c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2404	c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.exe
2404	c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.exe

C:\Users\Admin\AppData\Local\Temp\c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.exe
"C:\Users\Admin\AppData\Local\Temp\c717c99168ece96b29acbbf93ce125816e686bd40ddbaa07ea9aee4c701bc2cd.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:2404

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=1288 /prefetch:8
1⤵
PID:1596

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/2404-0-0x0000000000BD0000-0x000000000124D000-memory.dmp

Filesize
6.5MB

Download
memory/2404-1-0x0000000077E44000-0x0000000077E46000-memory.dmp

Filesize
8KB

Download
memory/2404-2-0x0000000000BD1000-0x0000000000BE5000-memory.dmp

Filesize
80KB

Download
memory/2404-3-0x0000000000BD0000-0x000000000124D000-memory.dmp

Filesize
6.5MB

Download
memory/2404-4-0x0000000000BD0000-0x000000000124D000-memory.dmp

Filesize
6.5MB

Download