stealc | e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8

General

Target

e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe
Size

1.7MB
MD5

65d6f8627b3ae114991bc7f6d3191129
SHA1

70311d3eba0397a48376234797a3980cae73d0c3
SHA256

e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8
SHA512

dd9d2fb9fbf4beffa7c6a0feabd2c0a7576d7e5b1ee3f011f14134f086c1c167f0c861c677a50ff9d5c63753210db0fdcf0bdf850f702d518551c9c557d7cb8d
SSDEEP

49152:IIJKYwr4M1ECm7QeaKL/Be3ka0a2ZqWd:IIYN1E5naU/UvC

Score

10^/10

stealc brat discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.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	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.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
2352	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1652	2352	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	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.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	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2352	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe
2352	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 1652	2352	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe	31
PID 2352 wrote to memory of 1652	2352	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe	31
PID 2352 wrote to memory of 1652	2352	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe	31
PID 2352 wrote to memory of 1652	2352	e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe	31

C:\Users\Admin\AppData\Local\Temp\e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.exe
"C:\Users\Admin\AppData\Local\Temp\e1d189e8b953b7a5dbe7dd1f8f7b25e60b121f6065039bee14c58951fbf482f8.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:2352
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 440
  2⤵
  - Program crash
  PID:1652

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/2352-0-0x0000000000D80000-0x0000000001405000-memory.dmp

Filesize
6.5MB

Download
memory/2352-1-0x0000000077D20000-0x0000000077D22000-memory.dmp

Filesize
8KB

Download
memory/2352-2-0x0000000000D81000-0x0000000000D98000-memory.dmp

Filesize
92KB

Download
memory/2352-3-0x0000000000D80000-0x0000000001405000-memory.dmp

Filesize
6.5MB

Download
memory/2352-4-0x0000000000D80000-0x0000000001405000-memory.dmp

Filesize
6.5MB

Download
memory/2352-5-0x0000000000D80000-0x0000000001405000-memory.dmp

Filesize
6.5MB

Download
memory/2352-6-0x0000000000D80000-0x0000000001405000-memory.dmp

Filesize
6.5MB

Download
memory/2352-7-0x0000000000D80000-0x0000000001405000-memory.dmp

Filesize
6.5MB

Download
memory/2352-8-0x0000000000D80000-0x0000000001405000-memory.dmp

Filesize
6.5MB

Download
memory/2352-9-0x0000000000D80000-0x0000000001405000-memory.dmp

Filesize
6.5MB

Download
memory/2352-10-0x0000000000D80000-0x0000000001405000-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