stealc | 3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b

Analysis

max time kernel
95s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 04:25 UTC

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General

Target

3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.exe
Size

1.7MB
MD5

5106666e43cfcab287bd26d3c00ba2e4
SHA1

21548b2866ec6e4634ec39b3a67d7e571543ec2a
SHA256

3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b
SHA512

2a0ddc9c45324fbcd287111c7d4ded31dc17a8c1fc971e3b35cf8d38f980825caa838d2783b0e76eb9a03e8314ce3d29cf5b2e5dd15fd5bb626e9a802ce1919e
SSDEEP

24576:ppHp6SKqhFCUWbouTXpv6GHwJABuVSEtevLoSPSIJaYeI4Qb77EQTsALDBdI6jB:H2qXCUWbXbDwJAPg4aireuoQNbI0

Score

10^/10

stealc stok defense_evasion discovery 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__	3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.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	3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4844	3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.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	3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4844	3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.exe
4844	3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.exe

C:\Users\Admin\AppData\Local\Temp\3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.exe
"C:\Users\Admin\AppData\Local\Temp\3f4854377949e7102dfc608b44c34d33a68fff2363c962d5691233ad2ab53b9b.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:4844

Network

DNS

58.55.71.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

58.55.71.13.in-addr.arpa

IN PTR

Response
DNS

140.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

140.32.126.40.in-addr.arpa

IN PTR

Response
DNS

5.114.82.104.in-addr.arpa

Remote address:

8.8.8.8:53

Request

5.114.82.104.in-addr.arpa

IN PTR

Response

5.114.82.104.in-addr.arpa

IN PTR

a104-82-114-5deploystaticakamaitechnologiescom
DNS

217.106.137.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

217.106.137.52.in-addr.arpa

IN PTR

Response
DNS

228.249.119.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

228.249.119.40.in-addr.arpa

IN PTR

Response
DNS

212.20.149.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

212.20.149.52.in-addr.arpa

IN PTR

Response
DNS

171.39.242.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

171.39.242.20.in-addr.arpa

IN PTR

Response
DNS

59.238.56.23.in-addr.arpa

Remote address:

8.8.8.8:53

Request

59.238.56.23.in-addr.arpa

IN PTR

Response

59.238.56.23.in-addr.arpa

IN PTR

a23-56-238-59deploystaticakamaitechnologiescom
DNS

45.89.16.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

45.89.16.2.in-addr.arpa

IN PTR

Response

45.89.16.2.in-addr.arpa

IN PTR

a2-16-89-45deploystaticakamaitechnologiescom
DNS

21.236.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

21.236.111.52.in-addr.arpa

IN PTR

Response

No results found

8.8.8.8:53

58.55.71.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

58.55.71.13.in-addr.arpa
8.8.8.8:53

5.114.82.104.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

5.114.82.104.in-addr.arpa
8.8.8.8:53

140.32.126.40.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

140.32.126.40.in-addr.arpa
8.8.8.8:53

217.106.137.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

217.106.137.52.in-addr.arpa
8.8.8.8:53

228.249.119.40.in-addr.arpa

dns

73 B
159 B
1
1

DNS Request

228.249.119.40.in-addr.arpa
8.8.8.8:53

212.20.149.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

212.20.149.52.in-addr.arpa
8.8.8.8:53

171.39.242.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

171.39.242.20.in-addr.arpa
8.8.8.8:53

59.238.56.23.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

59.238.56.23.in-addr.arpa
8.8.8.8:53

45.89.16.2.in-addr.arpa

dns

69 B
131 B
1
1

DNS Request

45.89.16.2.in-addr.arpa
8.8.8.8:53

21.236.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

21.236.111.52.in-addr.arpa

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/4844-0-0x0000000000FD0000-0x0000000001665000-memory.dmp

Filesize
6.6MB

Download
memory/4844-1-0x0000000077164000-0x0000000077166000-memory.dmp

Filesize
8KB

Download
memory/4844-2-0x0000000000FD1000-0x0000000000FE8000-memory.dmp

Filesize
92KB

Download
memory/4844-4-0x0000000000FD0000-0x0000000001665000-memory.dmp

Filesize
6.6MB

Download
memory/4844-5-0x0000000000FD0000-0x0000000001665000-memory.dmp

Filesize
6.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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