stealc | e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5

General

Target

e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe
Size

1.8MB
MD5

a17a6e5e1265ab35806fec867326aa8f
SHA1

60b6ae5b5a0783a2ed92ab434436cbb6d01ab826
SHA256

e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5
SHA512

3923c843b594a170bcf7e91da0eb61e290a861fd99157f30fc6ae544cd5734e18ef563e03bacaeb7b230a7a0ecb25ffc8862d0dc934a0c8d724638f902e54fa2
SSDEEP

49152:wDtsAsSYw8BWpMZnizw0VA7kEm4Om/up+:wJKWpIik0EmxP4

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__	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.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	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.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
2240	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1056	2240	WerFault.exe	27

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	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.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	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2240	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe
2240	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 1056	2240	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe	31
PID 2240 wrote to memory of 1056	2240	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe	31
PID 2240 wrote to memory of 1056	2240	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe	31
PID 2240 wrote to memory of 1056	2240	e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe	31

C:\Users\Admin\AppData\Local\Temp\e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.exe
"C:\Users\Admin\AppData\Local\Temp\e6ad63170de51515b0ecf0a6de901da2d3fbbbea9641ef2560d7ed941bdd26d5.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:2240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 928
  2⤵
  - Program crash
  PID:1056

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/2240-0-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-2-0x0000000001311000-0x0000000001328000-memory.dmp

Filesize
92KB

Download
memory/2240-1-0x0000000077720000-0x0000000077722000-memory.dmp

Filesize
8KB

Download
memory/2240-3-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-4-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-5-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-6-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-7-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-8-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-9-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-10-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download
memory/2240-11-0x0000000001310000-0x00000000019BC000-memory.dmp

Filesize
6.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads