stealc | 0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7

General

Target

0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe
Size

1.7MB
MD5

bfb44585c36cc324b7025294f0d2aee5
SHA1

591e6fe4ddf160370fafd43b499a606ac26086b4
SHA256

0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7
SHA512

d3e992f6060072fb775818b5dc4004a5c5ec714b8d3ff4060fecd90f86a339762a556a1c88e14fd0d597ce25fdc092a3e3601d7618aeb637fc52c58850ac4961
SSDEEP

49152:l0rMAD9+Df1WU5ruQacNOJr03s7cdQDZ9L31Pq7m:oP+rruE217Zj3Uq

Score

10^/10

stealc brat defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

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__	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.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	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.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
524	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2464	524	WerFault.exe	30

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	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.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	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
524	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe
524	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 2464	524	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe	32
PID 524 wrote to memory of 2464	524	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe	32
PID 524 wrote to memory of 2464	524	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe	32
PID 524 wrote to memory of 2464	524	0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe	32

C:\Users\Admin\AppData\Local\Temp\0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.exe
"C:\Users\Admin\AppData\Local\Temp\0c3312cbb3b530f6aee02e3206415d863e580581f19145b20da727f7181c07e7.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
- Suspicious use of WriteProcessMemory
PID:524
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 432
  2⤵
  - Program crash
  PID:2464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

5

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/524-0-0x0000000001050000-0x00000000016DE000-memory.dmp

Filesize
6.6MB

Download
memory/524-3-0x0000000001051000-0x0000000001068000-memory.dmp

Filesize
92KB

Download
memory/524-2-0x0000000000950000-0x0000000000951000-memory.dmp

Filesize
4KB

Download
memory/524-1-0x0000000077460000-0x0000000077462000-memory.dmp

Filesize
8KB

Download
memory/524-4-0x0000000001050000-0x00000000016DE000-memory.dmp

Filesize
6.6MB

Download
memory/524-5-0x0000000001050000-0x00000000016DE000-memory.dmp

Filesize
6.6MB

Download
memory/524-6-0x0000000001050000-0x00000000016DE000-memory.dmp

Filesize
6.6MB

Download
memory/524-7-0x0000000001050000-0x00000000016DE000-memory.dmp

Filesize
6.6MB

Download
memory/524-8-0x0000000001050000-0x00000000016DE000-memory.dmp

Filesize
6.6MB

Download
memory/524-9-0x0000000001050000-0x00000000016DE000-memory.dmp

Filesize
6.6MB

Download
memory/524-10-0x0000000001050000-0x00000000016DE000-memory.dmp

Filesize
6.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads