stealc | 9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6

General

Target

9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe
Size

2.7MB
MD5

101f06101ceb14fae553d98292faa442
SHA1

dfadef7fa9bb9ec8b82f65f63bed085798fecad3
SHA256

9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6
SHA512

a3b905ae3132234e027dfd416a1714778e757a82a7ae8addc7a0d334781e57adeb5044f7537f2b51452e4ab6d7fc82c410178f5a552bc2e4d3dd776433a9c9cf
SSDEEP

49152:Zr0XExBbCGSc7EH3/hcDz7rZ36N+KFGJf4:50XExRfp7EH3/hqVKFF

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__	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.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	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.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	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.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
2412	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	2412	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	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.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	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2412	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe
2412	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2676	2412	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe	32
PID 2412 wrote to memory of 2676	2412	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe	32
PID 2412 wrote to memory of 2676	2412	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe	32
PID 2412 wrote to memory of 2676	2412	9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe	32

C:\Users\Admin\AppData\Local\Temp\9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.exe
"C:\Users\Admin\AppData\Local\Temp\9acc4a0ea469e6a6f1c944263024167be02390916d49670c358604e0b17b0cb6.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:2412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 928
  2⤵
  - Program crash
  PID:2676

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/2412-0-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-1-0x0000000077200000-0x0000000077202000-memory.dmp

Filesize
8KB

Download
memory/2412-2-0x0000000000861000-0x0000000000878000-memory.dmp

Filesize
92KB

Download
memory/2412-3-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-4-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-5-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-6-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-7-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-8-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-9-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-10-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download
memory/2412-11-0x0000000000860000-0x0000000000D4E000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads