stealc | 03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 07:51

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General

Target

03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.exe
Size

1.7MB
MD5

7451ef19d7e933d8d951ab9282763a82
SHA1

e1c32a48d01e463298e102fa183d750757aac817
SHA256

03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40
SHA512

7775793bd25bff55f7babeeb16c0d3bd369e5d83a5daa79983c1503e067a08fbabe36f9ae8e70c625df7c66803702699b3ca748853906d951e7d0c09b00bd32a
SSDEEP

24576:6GITJNPOj30QlodVMSG1cm7erUlj9Ros6Kz52FWRbr/ICp/yMLjiigjELHGHYbC4:6du3GCSG1PXlj9f6024RbrXSjELHGHwp

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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__	03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.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	03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2356	03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.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	03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2356	03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.exe

C:\Users\Admin\AppData\Local\Temp\03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.exe
"C:\Users\Admin\AppData\Local\Temp\03e2e7ce5ff3155acece672c555b043aa2817f793e0f1b4528aecb72b08f1e40.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:2356

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/2356-0-0x0000000000A00000-0x00000000010A0000-memory.dmp

Filesize
6.6MB

Download
memory/2356-1-0x00000000779C0000-0x00000000779C2000-memory.dmp

Filesize
8KB

Download
memory/2356-3-0x0000000000A00000-0x00000000010A0000-memory.dmp

Filesize
6.6MB

Download
memory/2356-2-0x0000000000A01000-0x0000000000A18000-memory.dmp

Filesize
92KB

Download
memory/2356-4-0x0000000000A00000-0x00000000010A0000-memory.dmp

Filesize
6.6MB

Download