stealc | 5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 02:40

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General

Target

5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.exe
Size

1.7MB
MD5

0bd6feab9ec3faa844bdcdce20bb139a
SHA1

489a61c409dfb7d18be79e8ee0e6a357e2441b32
SHA256

5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab
SHA512

48c0db3c10b1ac30f86705f98d653ab487728ad131167fd3a7f26f3666d54bbc0c034139c2baec8c66749999cadf9354b5231e43f05eefef3ed87c9d4057592f
SSDEEP

24576:fCZPJDrL986um4wskCcB/O5luZPVaYAN5aIGFa2mX1e7vQOB7TBpS2t/nqkemRjX:KfjumUkfxlVkN4AX4QC7Tm2SWXNQLg9

Score

10^/10

stealc stok discovery 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.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	5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2672	5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.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	5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2672	5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.exe

C:\Users\Admin\AppData\Local\Temp\5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.exe
"C:\Users\Admin\AppData\Local\Temp\5facd021cf569f15595a5bca8a9e248e6c32c1811f8b4c70ca037a15fed258ab.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:2672

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/2672-0-0x0000000000880000-0x0000000000F13000-memory.dmp

Filesize
6.6MB

Download
memory/2672-1-0x0000000077C10000-0x0000000077C12000-memory.dmp

Filesize
8KB

Download
memory/2672-2-0x0000000000881000-0x0000000000898000-memory.dmp

Filesize
92KB

Download
memory/2672-3-0x0000000000880000-0x0000000000F13000-memory.dmp

Filesize
6.6MB

Download
memory/2672-4-0x0000000000880000-0x0000000000F13000-memory.dmp

Filesize
6.6MB

Download