stealc | 5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 12:35

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General

Target

5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.exe
Size

1.8MB
MD5

d373b4b79df48249752714876f9ca220
SHA1

b3a700f70e22287aed6a8e218ff239b77a70b461
SHA256

5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4
SHA512

3f240ee9a05180166d445ab4aeb6be8aec6e27116a7576688bcef0dd5dec0cab483283040bb2d6015e9e537226cbac6a5e151d18efe638dfbc03109c288e246a
SSDEEP

49152:6wRBGfPzvA9Id6hSmZVsQvsW77p0q2zHnz16:qzo9Id6hSUVvVPpb2zHnz1

Score

10^/10

stealc save discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

save

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__	5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.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	5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1956	5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.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	5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1956	5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.exe

C:\Users\Admin\AppData\Local\Temp\5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.exe
"C:\Users\Admin\AppData\Local\Temp\5202f99baf32bd7c0df659637b99cfbd53f7bd3d171ecf61529fec4daf7e71b4N.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:1956

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

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Downloads

memory/1956-0-0x00000000013A0000-0x0000000001A41000-memory.dmp

Filesize
6.6MB

Download
memory/1956-1-0x0000000077530000-0x0000000077532000-memory.dmp

Filesize
8KB

Download
memory/1956-2-0x00000000013A1000-0x00000000013C4000-memory.dmp

Filesize
140KB

Download
memory/1956-3-0x00000000013A0000-0x0000000001A41000-memory.dmp

Filesize
6.6MB

Download
memory/1956-4-0x00000000013A0000-0x0000000001A41000-memory.dmp

Filesize
6.6MB

Download