stealc | cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76

General

Target

cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe
Size

4.9MB
MD5

eb16b4307c051d1288357655e6f7e665
SHA1

55fd9106f4e33875676aa76684ebe3bbef862c77
SHA256

cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76
SHA512

abe940ba4fc01a115b50367ee3542a2322e12fb3c6ef6305857e32e3a1a32a57fadd0c0973e5d3a942e4e6d4224293acd93b182b907e0a045fc1b4ca08f40e9b
SSDEEP

49152:snVpVt1VkxoXiQyTwFFnJnuFGf52tzYwozgfNP1Q:sVpr1VkxAXyTWFxeGh2miPS

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__	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.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	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.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
2064	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2716	2064	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	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2064	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe
2064	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2716	2064	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe	32
PID 2064 wrote to memory of 2716	2064	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe	32
PID 2064 wrote to memory of 2716	2064	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe	32
PID 2064 wrote to memory of 2716	2064	cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe	32

C:\Users\Admin\AppData\Local\Temp\cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.exe
"C:\Users\Admin\AppData\Local\Temp\cc0846676c706a78a002a457b2f1926d96a8efce254862938dff6fd8d9b10d76.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:2064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 932
  2⤵
  - Program crash
  PID:2716

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2064-0-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-1-0x0000000077230000-0x0000000077232000-memory.dmp

Filesize
8KB

Download
memory/2064-2-0x0000000000A61000-0x0000000000CAA000-memory.dmp

Filesize
2.3MB

Download
memory/2064-3-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-4-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-5-0x0000000000A61000-0x0000000000CAA000-memory.dmp

Filesize
2.3MB

Download
memory/2064-6-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-7-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-8-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-9-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-10-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-11-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-12-0x0000000000A60000-0x0000000000F54000-memory.dmp

Filesize
5.0MB

Download
memory/2064-13-0x0000000000A61000-0x0000000000CAA000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads