stealc | 888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b

Analysis

max time kernel
148s
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
12/12/2024, 20:21 UTC

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General

Target

D2D90_file.exe
Size

1.7MB
MD5

36ce95040ed17e3c4ccf84ef67666738
SHA1

6bd06628eb201fb91f20e3905bbf1f052bab16c5
SHA256

888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b
SHA512

3ed7c233e6f90ecd461073db2e80e321416cdc1da6c6c3295ff321357084f6ad1232bd537d715b8ca979177287b19a7efca9d804060682bb559055c9239e0e7d
SSDEEP

49152:UsDSS5e2yvjlGGnnFEDtp4xrpcJdXhv22mDiEo:Bbhy5gt6ruJdXhuW

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__	D2D90_file.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	D2D90_file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	D2D90_file.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	D2D90_file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2644	D2D90_file.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	D2D90_file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2644	D2D90_file.exe
2644	D2D90_file.exe

C:\Users\Admin\AppData\Local\Temp\D2D90_file.exe
"C:\Users\Admin\AppData\Local\Temp\D2D90_file.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:2644

Network

GET

http://185.215.113.206/

D2D90_file.exe

Remote address:

185.215.113.206:80

Request

GET / HTTP/1.1
Host: 185.215.113.206
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Date: Thu, 12 Dec 2024 20:21:31 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 0
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
POST

http://185.215.113.206/c4becf79229cb002.php

D2D90_file.exe

Remote address:

185.215.113.206:80

Request

POST /c4becf79229cb002.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----JKKECBGIIIEBGCBGIDHD
Host: 185.215.113.206
Content-Length: 211
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Date: Thu, 12 Dec 2024 20:21:31 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 8
Keep-Alive: timeout=5, max=99
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
DNS

133.211.185.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

133.211.185.52.in-addr.arpa

IN PTR

Response
DNS

206.113.215.185.in-addr.arpa

Remote address:

8.8.8.8:53

Request

206.113.215.185.in-addr.arpa

IN PTR

Response
DNS

180.129.81.91.in-addr.arpa

Remote address:

8.8.8.8:53

Request

180.129.81.91.in-addr.arpa

IN PTR

Response
DNS

68.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

68.32.126.40.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

209.205.72.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

209.205.72.20.in-addr.arpa

IN PTR

Response
DNS

97.17.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

97.17.167.52.in-addr.arpa

IN PTR

Response
DNS

56.163.245.4.in-addr.arpa

Remote address:

8.8.8.8:53

Request

56.163.245.4.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

137.190.18.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

137.190.18.2.in-addr.arpa

IN PTR

Response

137.190.18.2.in-addr.arpa

IN PTR

a2-18-190-137deploystaticakamaitechnologiescom
DNS

136.190.18.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

136.190.18.2.in-addr.arpa

IN PTR

Response

136.190.18.2.in-addr.arpa

IN PTR

a2-18-190-136deploystaticakamaitechnologiescom
DNS

22.236.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

22.236.111.52.in-addr.arpa

IN PTR

Response

185.215.113.206:80

http://185.215.113.206/c4becf79229cb002.php

http

D2D90_file.exe

819 B
625 B
7
5

HTTP Request

GET http://185.215.113.206/

HTTP Response

200

HTTP Request

POST http://185.215.113.206/c4becf79229cb002.php

HTTP Response

200

8.8.8.8:53

133.211.185.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

133.211.185.52.in-addr.arpa
8.8.8.8:53

206.113.215.185.in-addr.arpa

dns

74 B
134 B
1
1

DNS Request

206.113.215.185.in-addr.arpa
8.8.8.8:53

180.129.81.91.in-addr.arpa

dns

72 B
147 B
1
1

DNS Request

180.129.81.91.in-addr.arpa
8.8.8.8:53

68.32.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

68.32.126.40.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

209.205.72.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

209.205.72.20.in-addr.arpa
8.8.8.8:53

97.17.167.52.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

97.17.167.52.in-addr.arpa
8.8.8.8:53

56.163.245.4.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

56.163.245.4.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

137.190.18.2.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

137.190.18.2.in-addr.arpa
8.8.8.8:53

136.190.18.2.in-addr.arpa

dns

71 B
135 B
1
1

DNS Request

136.190.18.2.in-addr.arpa
8.8.8.8:53

22.236.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

22.236.111.52.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/2644-0-0x0000000000320000-0x00000000009B6000-memory.dmp

Filesize
6.6MB

Download
memory/2644-1-0x0000000077C54000-0x0000000077C56000-memory.dmp

Filesize
8KB

Download
memory/2644-2-0x0000000000321000-0x0000000000338000-memory.dmp

Filesize
92KB

Download
memory/2644-3-0x0000000000320000-0x00000000009B6000-memory.dmp

Filesize
6.6MB

Download
memory/2644-4-0x0000000000320000-0x00000000009B6000-memory.dmp

Filesize
6.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Request

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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