stealc | 9a0201345cfcc6301a33443a5793193f14f089f9f5c2fa7b9bcb78c7f552340a

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 01:14

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General

Target

c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.exe
Size

2.1MB
MD5

5c4e5d818a24cb9d69fc18ce0dbbd9be
SHA1

618a41b2cd9fcd1307a120f3cd78b86862b25d4c
SHA256

c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb
SHA512

93dcc942a9adc63d7457106277e65d0c665c9215d47e266e3fa061ad3247e763747ae5fbe15e255995b674322a65635479eb0b6afd81e5db9f6fc997e96619a8
SSDEEP

49152:TB4MjYlOtMZj8GMeQYJAf9Pk36xaCevKFbMIbJo:1Y4yj8GAxyoFb7

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__	c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.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	c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1980	c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.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	c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1980	c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.exe

C:\Users\Admin\AppData\Local\Temp\c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.exe
"C:\Users\Admin\AppData\Local\Temp\c2295f41e3e74394823ebc9f99265d4021de67f36e3c257600d610781e2f4ffb.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:1980

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/1980-0-0x0000000000B00000-0x0000000001236000-memory.dmp

Filesize
7.2MB

Download
memory/1980-1-0x0000000077120000-0x0000000077122000-memory.dmp

Filesize
8KB

Download
memory/1980-2-0x0000000000B01000-0x0000000000B69000-memory.dmp

Filesize
416KB

Download
memory/1980-3-0x0000000000B00000-0x0000000001236000-memory.dmp

Filesize
7.2MB

Download
memory/1980-5-0x0000000000B00000-0x0000000001236000-memory.dmp

Filesize
7.2MB

Download