stealc | 0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 02:40

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General

Target

0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.exe
Size

1.7MB
MD5

c543b2872840d40556cb383bd113cb5f
SHA1

36a4cf336fab929637a23e5a7c541c1397e775cf
SHA256

0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7
SHA512

f7b57287f27a8119b1d0c8a5ec4afdc751e1b5574125a5ca3bc973108f8ba53c931708589a5c73c2afd358ef8245d30a21dcecdba7ccb6fd0bc038bb5cee853e
SSDEEP

24576:Fio1UTcI+jnPITt9rCCK2gqgHx+ncIoFnK2eMyQ2Co6Sl+O1uMm6Xt:8uCICSH1ImK2ebQ2t6k+yLjX

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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__	0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.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	0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1680	0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.exe

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	0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1680	0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.exe

C:\Users\Admin\AppData\Local\Temp\0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.exe
"C:\Users\Admin\AppData\Local\Temp\0cf722b0faacd95724ff91530727c4236da45027fe06882f7485c4ea160ebfb7.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
- Suspicious behavior: EnumeratesProcesses
PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1680-0-0x00000000008E0000-0x0000000000F86000-memory.dmp

Filesize
6.6MB

Download
memory/1680-1-0x00000000777D0000-0x00000000777D2000-memory.dmp

Filesize
8KB

Download
memory/1680-2-0x00000000008E1000-0x00000000008F8000-memory.dmp

Filesize
92KB

Download
memory/1680-3-0x00000000008E0000-0x0000000000F86000-memory.dmp

Filesize
6.6MB

Download
memory/1680-4-0x00000000008E0000-0x0000000000F86000-memory.dmp

Filesize
6.6MB

Download