stealc | 0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967

General

Target

0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe
Size

5.0MB
MD5

1cd88ba6c43ec0f578f261746327cc9c
SHA1

d2c1d38a835fdfc81be5739ae5b863a663118346
SHA256

0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967
SHA512

1b64ec2e8f48a6486836e5eeba530973317d3f468c3ae00f43b06c0254e9d200c8504d9ac2f17b8220d8fa5b1496bb934f9c950e2616f85fbf7a82192f014ec0
SSDEEP

98304:X8nLpn2Y/JerNUDz7zuLRSF20AUSU7S3T24:snLp2lRSk0AUtw

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__	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.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	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.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
4408	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4684	4408	WerFault.exe	82

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	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.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	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4408	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe
4408	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe
4408	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe
4408	0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe

C:\Users\Admin\AppData\Local\Temp\0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.exe
"C:\Users\Admin\AppData\Local\Temp\0911c94ce0979522999ab8e796c4e5a3db35cdab27dfd208902c24f77556a967.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:4408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4408 -s 1388
  2⤵
  - Program crash
  PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4408 -ip 4408
1⤵
PID:3440

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/4408-0-0x0000000000D70000-0x000000000126D000-memory.dmp

Filesize
5.0MB

Download
memory/4408-1-0x0000000077C74000-0x0000000077C76000-memory.dmp

Filesize
8KB

Download
memory/4408-2-0x0000000000D71000-0x0000000000FBA000-memory.dmp

Filesize
2.3MB

Download
memory/4408-3-0x0000000000D70000-0x000000000126D000-memory.dmp

Filesize
5.0MB

Download
memory/4408-4-0x0000000000D70000-0x000000000126D000-memory.dmp

Filesize
5.0MB

Download
memory/4408-5-0x0000000000D71000-0x0000000000FBA000-memory.dmp

Filesize
2.3MB

Download
memory/4408-6-0x0000000000D70000-0x000000000126D000-memory.dmp

Filesize
5.0MB

Download
memory/4408-7-0x0000000000D70000-0x000000000126D000-memory.dmp

Filesize
5.0MB

Download
memory/4408-8-0x0000000000D70000-0x000000000126D000-memory.dmp

Filesize
5.0MB

Download
memory/4408-9-0x0000000000D70000-0x000000000126D000-memory.dmp

Filesize
5.0MB

Download
memory/4408-10-0x0000000000D71000-0x0000000000FBA000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads