stealc | 101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 02:38

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General

Target

101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.exe
Size

2.0MB
MD5

77da460f6157bc3755c545b19d30e499
SHA1

81a74394cb961927259e3a6a54c2c8056f6a0550
SHA256

101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493
SHA512

46da1b18369362d5188f45c0ffb007f067fb7b141a84f48ecfa52d9676b60e1ccb474409d96bb1ac4f28b77d1a32e858667ea5203ae20edfa4081a0be776e943
SSDEEP

49152:YC40ghGf8q2zwFHMLbry0IIiTGLYESjLwDKxv+:YCNZE3zdBIjbTvwC

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__	101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.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	101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2328	101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.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	101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2328	101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.exe

C:\Users\Admin\AppData\Local\Temp\101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.exe
"C:\Users\Admin\AppData\Local\Temp\101a452b011542f077755d39900d85449ef9d6f8d357c3e2c89b995fac665493.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:2328

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/2328-0-0x00000000009A0000-0x00000000010D6000-memory.dmp

Filesize
7.2MB

Download
memory/2328-1-0x00000000776D0000-0x00000000776D2000-memory.dmp

Filesize
8KB

Download
memory/2328-2-0x00000000009A1000-0x0000000000A09000-memory.dmp

Filesize
416KB

Download
memory/2328-3-0x00000000009A0000-0x00000000010D6000-memory.dmp

Filesize
7.2MB

Download
memory/2328-4-0x00000000009A0000-0x00000000010D6000-memory.dmp

Filesize
7.2MB

Download