stealc | 96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f

Analysis

max time kernel
150s
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
24/01/2025, 20:03 UTC

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General

Target

96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe
Size

1.7MB
MD5

c8dcf419071d999c0f3e7b7a456e987d
SHA1

e8fe639d299c45312c1b4d8adc6b27638ffda3bf
SHA256

96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f
SHA512

b2f55a0663449bbf87a83666deb405e2277c737e4df0ecbb2a79e0f2fa3ad1e434e5351d306413a0cbb78f3f0be9e8acde64615d3aebbdf2d1ef93af1ace7f1e
SSDEEP

24576:srXT9VNk+gdhZZm96n6Q3RDyEvA862yHq32kK6KsIL6ZPTpXa+oQeMhhiedGxvhQ:QZCjZYuyE5n32kKWbZLpjoQnUvVKuOr

Score

10^/10

stealc brat defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

brat

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__	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.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	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3580	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1368	3580	WerFault.exe	82

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	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3580	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe
3580	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe
3580	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe
3580	96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe

C:\Users\Admin\AppData\Local\Temp\96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe
"C:\Users\Admin\AppData\Local\Temp\96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 1452
  2⤵
  - Program crash
  PID:1368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3580 -ip 3580
1⤵
PID:2892

Network

DNS

241.150.49.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

241.150.49.20.in-addr.arpa

IN PTR

Response
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

73.31.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.31.126.40.in-addr.arpa

IN PTR

Response
DNS

167.173.78.104.in-addr.arpa

Remote address:

8.8.8.8:53

Request

167.173.78.104.in-addr.arpa

IN PTR

Response

167.173.78.104.in-addr.arpa

IN PTR

a104-78-173-167deploystaticakamaitechnologiescom
DNS

196.249.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

196.249.167.52.in-addr.arpa

IN PTR

Response
DNS

200.163.202.172.in-addr.arpa

Remote address:

8.8.8.8:53

Request

200.163.202.172.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

19.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

19.229.111.52.in-addr.arpa

IN PTR

Response
DNS

85.65.42.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

85.65.42.20.in-addr.arpa

IN PTR

Response

185.215.113.206:80

96db6bccdb9c36ecf8f50eef6139bb960b5bc2b4385d1bd6c3ce6e27b633a25f.exe

260 B
5

8.8.8.8:53

241.150.49.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

241.150.49.20.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

73.31.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

73.31.126.40.in-addr.arpa
8.8.8.8:53

167.173.78.104.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

167.173.78.104.in-addr.arpa
8.8.8.8:53

196.249.167.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

196.249.167.52.in-addr.arpa
8.8.8.8:53

200.163.202.172.in-addr.arpa

dns

74 B
160 B
1
1

DNS Request

200.163.202.172.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

19.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

19.229.111.52.in-addr.arpa
8.8.8.8:53

85.65.42.20.in-addr.arpa

dns

70 B
156 B
1
1

DNS Request

85.65.42.20.in-addr.arpa
8.8.8.8:53

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/3580-0-0x0000000000BF0000-0x0000000001268000-memory.dmp

Filesize
6.5MB

Download
memory/3580-1-0x0000000077494000-0x0000000077496000-memory.dmp

Filesize
8KB

Download
memory/3580-2-0x0000000000BF1000-0x0000000000C08000-memory.dmp

Filesize
92KB

Download
memory/3580-3-0x0000000000BF0000-0x0000000001268000-memory.dmp

Filesize
6.5MB

Download
memory/3580-4-0x0000000000BF0000-0x0000000001268000-memory.dmp

Filesize
6.5MB

Download
memory/3580-5-0x0000000000BF0000-0x0000000001268000-memory.dmp

Filesize
6.5MB

Download
memory/3580-6-0x0000000000BF0000-0x0000000001268000-memory.dmp

Filesize
6.5MB

Download
memory/3580-7-0x0000000000BF0000-0x0000000001268000-memory.dmp

Filesize
6.5MB

Download
memory/3580-8-0x0000000000BF0000-0x0000000001268000-memory.dmp

Filesize
6.5MB

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

MITRE ATT&CK Enterprise v15

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Downloads

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