stealc | 7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9

General

Target

7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe
Size

1.7MB
MD5

7ecc95f25bef201e889d27f0b579cd44
SHA1

31a9b2dcaa8be8ef1d662c63b16750fa8235926c
SHA256

7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9
SHA512

a8df276d7165e8864690e1f8c9bde2ee115e14b7bbb74a41d4561550fb0a8ec7a766a602f0e35ebf47cea99a84dc237bba125e6a6da9321a2c420a0b3a05867f
SSDEEP

49152:TpubKj+jcEevh36+PgQ2pt42Y80VK5W52y7:I613wMgQ2pua0VK5Wh

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__	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.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\VideoBiosVersion	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.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
2312	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	2312	WerFault.exe	29

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	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.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	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2312	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe
2312	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2676	2312	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe	32
PID 2312 wrote to memory of 2676	2312	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe	32
PID 2312 wrote to memory of 2676	2312	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe	32
PID 2312 wrote to memory of 2676	2312	7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe	32

C:\Users\Admin\AppData\Local\Temp\7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.exe
"C:\Users\Admin\AppData\Local\Temp\7020bae218b0d7a66bb460eb4923070604fcbfab7fe5579d3a6df75c8ea0eea9.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:2312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 924
  2⤵
  - Program crash
  PID:2676

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/2312-0-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-1-0x0000000077C40000-0x0000000077C42000-memory.dmp

Filesize
8KB

Download
memory/2312-2-0x0000000000171000-0x0000000000188000-memory.dmp

Filesize
92KB

Download
memory/2312-3-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-4-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-5-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-6-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-7-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-8-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-9-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-10-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download
memory/2312-11-0x0000000000170000-0x00000000007F1000-memory.dmp

Filesize
6.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads