stealc | 07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356

General

Target

07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe
Size

1.7MB
MD5

dd6f15ba89699210229d68ab74cf5d2c
SHA1

390ead859e8096e6851b2671c604444648744bd3
SHA256

07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356
SHA512

0cc4ef2ab70a4a07d3d272e94f21d52c71ebe7f3f8c0347a1efdd0eab1fa454711f09a82772bcdb0cc6e1b595883f0792dd903244e167221e6537492ef912130
SSDEEP

49152:gleSXJ6b9GCyg4N/fwhJ5mfRATfSBCAaie0ggije0BzRF+f:glec/g4N/YhJ6iUybjdBj

Score

10^/10

stealc brat defense_evasion discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

brat

C2

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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.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	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2032	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4184	2032	WerFault.exe	82

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	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2032	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe
2032	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe
2032	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe
2032	07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe

C:\Users\Admin\AppData\Local\Temp\07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.exe
"C:\Users\Admin\AppData\Local\Temp\07b80bb6c9c615c7f261597926564f71ebe639fa26dbb0264bb59a86afe9b356.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 1472
  2⤵
  - Program crash
  PID:4184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2032 -ip 2032
1⤵
PID:5028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

5

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2032-0-0x00000000005C0000-0x0000000000C54000-memory.dmp

Filesize
6.6MB

Download
memory/2032-1-0x0000000077194000-0x0000000077196000-memory.dmp

Filesize
8KB

Download
memory/2032-2-0x00000000005C1000-0x00000000005D8000-memory.dmp

Filesize
92KB

Download
memory/2032-3-0x00000000005C0000-0x0000000000C54000-memory.dmp

Filesize
6.6MB

Download
memory/2032-4-0x00000000005C0000-0x0000000000C54000-memory.dmp

Filesize
6.6MB

Download
memory/2032-5-0x00000000005C0000-0x0000000000C54000-memory.dmp

Filesize
6.6MB

Download
memory/2032-6-0x00000000005C0000-0x0000000000C54000-memory.dmp

Filesize
6.6MB

Download
memory/2032-7-0x00000000005C0000-0x0000000000C54000-memory.dmp

Filesize
6.6MB

Download
memory/2032-8-0x00000000005C0000-0x0000000000C54000-memory.dmp

Filesize
6.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads