stealc | 7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f

General

Target

7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe
Size

2.8MB
MD5

89154499aa287867465d749c53e53f0b
SHA1

0ed3c13a6d4c0c4f968903f94612708d2f2e148c
SHA256

7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f
SHA512

8aba331f85b14e7745c2cf091e71ee461f7cc4bcecd5c015bbe08ead93231bfdbdc5cb8307542edea8cbddd2878fbf3c2fb484d8b5dfa8ac9d70785936606fe6
SSDEEP

49152:fxo9tzIxfuXqnhWV0yELx7Ezg0SNgUXB6TeUGxQ:ZMtgfuXqnho0yEgpknB6CUGi

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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__	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.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	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.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
4860	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4236	4860	WerFault.exe	81

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	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.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	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4860	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe
4860	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe
4860	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe
4860	7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe

C:\Users\Admin\AppData\Local\Temp\7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.exe
"C:\Users\Admin\AppData\Local\Temp\7d189316bb2fc314693f387c5b710fb73768e1c1a8c95cbd80a2ab70291e7c0f.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
PID:4860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 1420
  2⤵
  - Program crash
  PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4860 -ip 4860
1⤵
PID:4224

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/4860-0-0x0000000000270000-0x000000000076C000-memory.dmp

Filesize
5.0MB

Download
memory/4860-1-0x0000000077374000-0x0000000077376000-memory.dmp

Filesize
8KB

Download
memory/4860-3-0x0000000000270000-0x000000000076C000-memory.dmp

Filesize
5.0MB

Download
memory/4860-2-0x0000000000271000-0x0000000000288000-memory.dmp

Filesize
92KB

Download
memory/4860-4-0x0000000000270000-0x000000000076C000-memory.dmp

Filesize
5.0MB

Download
memory/4860-5-0x0000000000270000-0x000000000076C000-memory.dmp

Filesize
5.0MB

Download
memory/4860-6-0x0000000000270000-0x000000000076C000-memory.dmp

Filesize
5.0MB

Download
memory/4860-7-0x0000000000270000-0x000000000076C000-memory.dmp

Filesize
5.0MB

Download
memory/4860-8-0x0000000000270000-0x000000000076C000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads