stealc | ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 02:48

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General

Target

ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe
Size

1.7MB
MD5

a0e3200d0547b77804794f31e2570e0a
SHA1

4615e12b5b32112ace009dea7944481d5ec914a6
SHA256

ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23
SHA512

28eaf8327704726985062c405875fecd0ed794d953f96547022c708c076e113af09fd5b8b364897e70a0aeacf4d056a7a2232d28527f2db47121ffd2c22b826a
SSDEEP

24576:XPvVNUDuoQwa1iuFcfxNfgctGzn51sMJv4NacO+ADaf6/B6Bm85nHFXZLqex9GZr:nTAXzJNfgv91sM94ocEi6/qnlXpOd5F

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

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

Processes:

ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.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

Processes:

ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.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

Processes:

ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

pid	Process
2192	ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.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

Processes:

ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

pid	Process
2192	ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe

C:\Users\Admin\AppData\Local\Temp\ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.exe
"C:\Users\Admin\AppData\Local\Temp\ab464533e36194f803441eb419712e0c1487079b73e89956a370654f395cdb23.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:2192

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/2192-0-0x0000000000140000-0x00000000007ED000-memory.dmp

Filesize
6.7MB

Download
memory/2192-1-0x00000000773B0000-0x00000000773B2000-memory.dmp

Filesize
8KB

Download
memory/2192-2-0x0000000000141000-0x0000000000158000-memory.dmp

Filesize
92KB

Download
memory/2192-3-0x0000000000140000-0x00000000007ED000-memory.dmp

Filesize
6.7MB

Download
memory/2192-4-0x0000000000140000-0x00000000007ED000-memory.dmp

Filesize
6.7MB

Download