stealc | 872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 05:00

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General

Target

872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.exe
Size

1.7MB
MD5

9eb61a68b5cf71aa89c3eea26e73ed63
SHA1

1130623e6184bf939b311d924f111fe4a71a6125
SHA256

872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9
SHA512

556a773771d1ebff579a5624ccb36dfff706aad134e0627a1caa1187992107fc8b8f5e72cf43bdeba7c80727a84a89e8f57f895909fa36cadab242ecd63d67a3
SSDEEP

24576:uqujm7pY7c14vpYi4TNZ3KZxQ0feo4EPCyibrfnDrmGA8s0c4lCo6tMlzhk5jDb0:u5m7pavpYLXajRlJiPn3CoS5jOQ2Mo

Score

10^/10

stealc stok defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.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	872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2816	872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.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	872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2816	872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.exe
2816	872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.exe

C:\Users\Admin\AppData\Local\Temp\872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.exe
"C:\Users\Admin\AppData\Local\Temp\872c127d2bb34a02db6eef9968757c28fc382988a9751644d4614cb02b280bd9.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:2816

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/2816-0-0x00000000009D0000-0x0000000001062000-memory.dmp

Filesize
6.6MB

Download
memory/2816-1-0x0000000077194000-0x0000000077196000-memory.dmp

Filesize
8KB

Download
memory/2816-2-0x00000000009D1000-0x00000000009E8000-memory.dmp

Filesize
92KB

Download
memory/2816-5-0x00000000009D0000-0x0000000001062000-memory.dmp

Filesize
6.6MB

Download
memory/2816-4-0x00000000009D0000-0x0000000001062000-memory.dmp

Filesize
6.6MB

Download