stealc | 1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4

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
03-11-2024 12:36

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General

Target

1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.exe
Size

2.0MB
MD5

90cd56bfd041977b953ec0d6ac7f665c
SHA1

c0cbd27ba7367c60ba521ce16056a115ee638eb8
SHA256

1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4
SHA512

16dd26329b62e1cfcd6b215d5ff0572f2ac0036125dd447fb06aef929696a5e6bb8fcef7a5e5711af993054848301f1cd1a07752a4fedb61fe5efaf4b3448bfb
SSDEEP

49152:/gTKihWoN2xC3miqdOlcZsxJmyfTOQxI0UsGzNLNuLbLujD:YTAoN2E4dO+ZuJmybjI0ULuL

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__	1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.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	1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.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	1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2128	1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.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	1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2128	1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.exe

C:\Users\Admin\AppData\Local\Temp\1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.exe
"C:\Users\Admin\AppData\Local\Temp\1ba20b045d5b1d94525fcf24264305573278d9584ecbb9c897adcdefbfe5eec4.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:2128

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/2128-0-0x00000000011C0000-0x00000000018F5000-memory.dmp

Filesize
7.2MB

Download
memory/2128-1-0x0000000077B90000-0x0000000077B92000-memory.dmp

Filesize
8KB

Download
memory/2128-2-0x00000000011C1000-0x0000000001229000-memory.dmp

Filesize
416KB

Download
memory/2128-3-0x00000000011C0000-0x00000000018F5000-memory.dmp

Filesize
7.2MB

Download
memory/2128-4-0x00000000011C0000-0x00000000018F5000-memory.dmp

Filesize
7.2MB

Download