stealc | 2c960792085f3acc9c0f040e7c5adea2c6e904f4f1b554f6537d3fc8890913f5

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 01:39

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General

Target

61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.exe
Size

2.0MB
MD5

c17ed24e02488677c15a7f9af66a0aba
SHA1

222cf4373cb4d9f05dccd3e2745a4b19cb4dd29f
SHA256

61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e
SHA512

031737664e0233b9e3f96bb19263d6b02de181255c9ab78fc7d8bdebd7733e5e67652715222fdfcb6d1303648bdd01a8b5da6f21adf6ad85fafccdf16b7fb451
SSDEEP

49152:l+UT9u2iXY1pBSxJs/OjJcUgzQZobZo1W:l+sZiXYZSPy19o1W

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.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	61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4088	61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.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	61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4088	61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.exe
4088	61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.exe

C:\Users\Admin\AppData\Local\Temp\61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.exe
"C:\Users\Admin\AppData\Local\Temp\61503aab6e8bb537631115556cf898894274211cae16c143081c2912532a018e.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:4088

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/4088-0-0x0000000000150000-0x000000000087A000-memory.dmp

Filesize
7.2MB

Download
memory/4088-1-0x0000000077C24000-0x0000000077C26000-memory.dmp

Filesize
8KB

Download
memory/4088-2-0x0000000000151000-0x00000000001B9000-memory.dmp

Filesize
416KB

Download
memory/4088-3-0x0000000000150000-0x000000000087A000-memory.dmp

Filesize
7.2MB

Download
memory/4088-4-0x0000000000150000-0x000000000087A000-memory.dmp

Filesize
7.2MB

Download