stealc | e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 03:22

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General

Target

e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.exe
Size

2.0MB
MD5

db72257c262a8b44297561583287ec24
SHA1

25edd82ec5bf0bc4ddf30106074d516375c32762
SHA256

e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1
SHA512

bfd2a9c4bb3752d8836030e7381c8fa529d0634409135eef69ec5a4e1492b21ba8928795c44421b41e5c3cf726736ad66806e15c8e217bb471ad015f5720ae13
SSDEEP

49152:ejyXQ30LgT0llFvkQSmnDek9MQtBEDQVmq4WXdGA:WMQ30Lg8sL6DPGQtXVB4WXdGA

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.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	e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2840	e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.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	e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2840	e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.exe

C:\Users\Admin\AppData\Local\Temp\e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.exe
"C:\Users\Admin\AppData\Local\Temp\e0c73b5c64fc445ab6a459657497ba2842006d7d3ffbf5cd6895fc7347eef6c1.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:2840

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/2840-0-0x0000000000AF0000-0x0000000001213000-memory.dmp

Filesize
7.1MB

Download
memory/2840-1-0x00000000775F0000-0x00000000775F2000-memory.dmp

Filesize
8KB

Download
memory/2840-3-0x0000000000AF0000-0x0000000001213000-memory.dmp

Filesize
7.1MB

Download
memory/2840-2-0x0000000000AF1000-0x0000000000B59000-memory.dmp

Filesize
416KB

Download
memory/2840-4-0x0000000000AF0000-0x0000000001213000-memory.dmp

Filesize
7.1MB

Download