stealc | d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 01:48

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General

Target

d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.exe
Size

1.8MB
MD5

a48636d4112e0e59db4553623d563865
SHA1

b141241b7908f645f085058ac2d6ec91a0fd4842
SHA256

d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442
SHA512

5a472079cfcb459816c3d1127ff46db401db3673b93a25aaf42937cf7b6d1472231e2b89bddcf9c4c1f767517c49a9214a07beac8c8e3bf36cf5c7938cb72e96
SSDEEP

49152:t7cpSd0oID8pD52LJoljOPnMtwsGQDJtaU6:t7cp7D8pAYOPnLT

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

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__	d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.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	d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.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	d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1620	d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.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	d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1620	d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.exe

C:\Users\Admin\AppData\Local\Temp\d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.exe
"C:\Users\Admin\AppData\Local\Temp\d9d0abb631e66eb73f616afa490fa640b982e94f48bd625caa5852b87a309442.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:1620

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/1620-0-0x00000000009D0000-0x0000000001087000-memory.dmp

Filesize
6.7MB

Download
memory/1620-1-0x0000000077960000-0x0000000077962000-memory.dmp

Filesize
8KB

Download
memory/1620-2-0x00000000009D1000-0x00000000009F4000-memory.dmp

Filesize
140KB

Download
memory/1620-3-0x00000000009D0000-0x0000000001087000-memory.dmp

Filesize
6.7MB

Download
memory/1620-4-0x00000000009D0000-0x0000000001087000-memory.dmp

Filesize
6.7MB

Download