stealc | 64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 22:16

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General

Target

64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.exe
Size

2.7MB
MD5

250cf0c5a857945a909d1968f257acb4
SHA1

8b86e18f9baccb24ca2abd2517384ec8d6e82216
SHA256

64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d
SHA512

1e16975867b1764037b2b801d336974123a60fef423b311206e9397f9fe08bbceb22efed12ec762cd5527b14b974f636833b5f89947c42221f1ec8a5e046de79
SSDEEP

49152:6GHAWkvzQ83wRYdsE4m+R2KP+6ZwULVQyjskNJY3WxSH:6GgWkvM83wRYdsDm+R2KW6ZwmfNJ3E

Score

10^/10

stealc stok discovery evasion 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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.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	64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.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	64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1876	64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.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	64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1876	64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.exe
1876	64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.exe

C:\Users\Admin\AppData\Local\Temp\64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.exe
"C:\Users\Admin\AppData\Local\Temp\64d2aa458ed99a2a7607288573164c6a674c30368361ba458900cb6eb065be1d.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:1876

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

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Downloads

memory/1876-0-0x0000000000750000-0x0000000000C3B000-memory.dmp

Filesize
4.9MB

Download
memory/1876-1-0x0000000077854000-0x0000000077856000-memory.dmp

Filesize
8KB

Download
memory/1876-2-0x0000000000751000-0x0000000000768000-memory.dmp

Filesize
92KB

Download
memory/1876-3-0x0000000000750000-0x0000000000C3B000-memory.dmp

Filesize
4.9MB

Download
memory/1876-4-0x0000000000750000-0x0000000000C3B000-memory.dmp

Filesize
4.9MB

Download