stealc | c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8

Analysis

max time kernel
132s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 02:41

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General

Target

c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.exe
Size

1.7MB
MD5

a2914123bfcdb29e06dc8283ffb24aef
SHA1

5660ce00d7473ca61d460219ca9b1c2ac6486b97
SHA256

c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8
SHA512

f1fe509bb5bd6b237f5111b6589a3942c597db7316b5b71f511493c9e2876cb5b9d075ff94541a040eeb1c680292c1f0e69049d5215f1f3655ff70cbba410294
SSDEEP

49152:Woy/VyzxKmSv8E7xL8sYmNFGKcRgne8s7fegCj/Q:vsvHd8szSag

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__	c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.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	c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.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-1-5-21-786284298-625481688-3210388970-1000\Software\Wine	c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3828	c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.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	c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3828	c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.exe
3828	c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.exe

C:\Users\Admin\AppData\Local\Temp\c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.exe
"C:\Users\Admin\AppData\Local\Temp\c643a26be7c61eca9e0d2b9d9d073d54b24ab18792555c45c81a88f0bffc57e8.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:3828

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/3828-0-0x00000000004E0000-0x0000000000B51000-memory.dmp

Filesize
6.4MB

Download
memory/3828-1-0x0000000077594000-0x0000000077596000-memory.dmp

Filesize
8KB

Download
memory/3828-2-0x00000000004E1000-0x00000000004F5000-memory.dmp

Filesize
80KB

Download
memory/3828-3-0x00000000004E0000-0x0000000000B51000-memory.dmp

Filesize
6.4MB

Download
memory/3828-4-0x00000000004E0000-0x0000000000B51000-memory.dmp

Filesize
6.4MB

Download