stealc | df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 10:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.exe
Size

2.0MB
MD5

942d8839790190a0b7269d587425c3ef
SHA1

b61fb82d04980dc1453247536a95bb0f721eb59f
SHA256

df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63
SHA512

1b8cb308198b9270637fc4d1cd65bcd4b685e93365b031af089730a67bc8e21d4bba143ef005c7f0294256b0bfec6ba0f8322f125cba5e5d65950cdc0336efa7
SSDEEP

24576:iJOPLfOp3gaxn7RMZ1kcoel7BYjxe15w+OvCiuEcec1vbnvw1/cxY4bTTmtM8jau:HWGax7RMRDuxe7qChEeD80xPPmrGw+

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__	df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.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	df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2780	df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.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	df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2780	df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.exe

C:\Users\Admin\AppData\Local\Temp\df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.exe
"C:\Users\Admin\AppData\Local\Temp\df99583b876c169028a4e9817489d6c3fe65c391903a9bf2db295cbabc4cdf63.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:2780

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

Loading Replay Monitor...

Downloads

memory/2780-0-0x0000000000230000-0x000000000095E000-memory.dmp

Filesize
7.2MB

Download
memory/2780-1-0x00000000777A0000-0x00000000777A2000-memory.dmp

Filesize
8KB

Download
memory/2780-3-0x0000000000230000-0x000000000095E000-memory.dmp

Filesize
7.2MB

Download
memory/2780-2-0x0000000000231000-0x0000000000299000-memory.dmp

Filesize
416KB

Download
memory/2780-4-0x0000000000230000-0x000000000095E000-memory.dmp

Filesize
7.2MB

Download