stealc | baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8

Analysis

max time kernel
74s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 03:36

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General

Target

baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.exe
Size

2.0MB
MD5

77b725a71c9d021832d6820fd4132e23
SHA1

12cbaaaabaff54cc0a2dd6e2f2eae581a7f5498c
SHA256

baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8
SHA512

aae27318fdc9a9fb045f275b171be654b9a6a0e5121fbb2dba33d20d202fdbf54083aaec8fceb54f5421032efabe0082c86aacc614085005455f5bcf30c5a8f1
SSDEEP

49152:aQzNU7+uxkLbYTZjRmm8QtdPw3q1FQzSsyqqkTvT67YO7:lzNU7+uK3IyV30FQuIqkDT6p

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__	baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.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\VideoBiosVersion	baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2116	baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.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	baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2116	baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.exe

C:\Users\Admin\AppData\Local\Temp\baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.exe
"C:\Users\Admin\AppData\Local\Temp\baaca898ba8276710371fbac05c9d59b7ea8e29faa7dff6b918a57df7653b1c8.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:2116

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/2116-0-0x00000000011C0000-0x00000000018E7000-memory.dmp

Filesize
7.2MB

Download
memory/2116-1-0x0000000077DD0000-0x0000000077DD2000-memory.dmp

Filesize
8KB

Download
memory/2116-2-0x00000000011C1000-0x0000000001229000-memory.dmp

Filesize
416KB

Download
memory/2116-3-0x00000000011C0000-0x00000000018E7000-memory.dmp

Filesize
7.2MB

Download
memory/2116-5-0x00000000011C0000-0x00000000018E7000-memory.dmp

Filesize
7.2MB

Download