stealc | b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 07:18

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General

Target

b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.exe
Size

5.0MB
MD5

eddd11483948341d3e23633223ea9808
SHA1

f547c2115b09d3c59c80472f03731dde01214891
SHA256

b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8
SHA512

a106e15e93c8f663ec69b368bf500cbfdc2f3a259190c05b740b99084cba562e4d29b412156de662807787ebc01b19c2bdffe434f938b9cbd3eb163eb69795ab
SSDEEP

49152:aC+kNNNNNNN+FkhL7a+FySmdJpN53TjFuTW1SKD5/kv4TVOnB:SkhLVM5dJp7TRWW1Swe4TVeB

Score

10^/10

stealc stok defense_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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.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	b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1604	b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1604	b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.exe

C:\Users\Admin\AppData\Local\Temp\b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.exe
"C:\Users\Admin\AppData\Local\Temp\b760368d6334177e98622678773c6cdb2a7bd3daee1a239905d660d30ef7dab8.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
- Suspicious behavior: EnumeratesProcesses
PID:1604

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1604-0-0x0000000001060000-0x000000000155B000-memory.dmp

Filesize
5.0MB

Download
memory/1604-1-0x0000000077660000-0x0000000077662000-memory.dmp

Filesize
8KB

Download
memory/1604-3-0x0000000001061000-0x00000000012AA000-memory.dmp

Filesize
2.3MB

Download
memory/1604-5-0x0000000001061000-0x00000000012AA000-memory.dmp

Filesize
2.3MB

Download
memory/1604-4-0x0000000001060000-0x000000000155B000-memory.dmp

Filesize
5.0MB

Download