stealc | d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7

General

Target

d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe
Size

1.7MB
MD5

b451adb762630b12baa85fa85a15c464
SHA1

c1db90b0cfcc96d7b5279868e8359953b73230b6
SHA256

d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7
SHA512

3242412937042167a7af961eb7e6870f4265310c2bb49fcc990b67971c015940a650425a6a47613c0dcb5d56e9735717d3a452df638c44bd58b8e19e620c886a
SSDEEP

24576:T9qIX5BrT6joVQjxCt7GzRiigfJI2hz+exIs7mm331/0+WeQbePXljEKmdocwCti:0IjSmMf2JIy+vbmV/8bePVjEKm75o

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__	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.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	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.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
2164	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2584	2164	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	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.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	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2164	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe
2164	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2584	2164	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe	32
PID 2164 wrote to memory of 2584	2164	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe	32
PID 2164 wrote to memory of 2584	2164	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe	32
PID 2164 wrote to memory of 2584	2164	d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe	32

C:\Users\Admin\AppData\Local\Temp\d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.exe
"C:\Users\Admin\AppData\Local\Temp\d0aed8c3505d5d132a268ed834e997ccf1460b44a5ad1ba3e2ea8f774c2869d7.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:2164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2164 -s 936
  2⤵
  - Program crash
  PID:2584

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/2164-0-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-1-0x0000000077620000-0x0000000077622000-memory.dmp

Filesize
8KB

Download
memory/2164-2-0x0000000000D21000-0x0000000000D38000-memory.dmp

Filesize
92KB

Download
memory/2164-3-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-4-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-5-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-6-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-7-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-8-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-9-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-10-0x0000000000D20000-0x00000000013A9000-memory.dmp

Filesize
6.5MB

Download
memory/2164-12-0x0000000000D20000-0x00000000013A9000-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