stealc | 08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e

General

Target

08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe
Size

2.7MB
MD5

8d69267c5bd66633b143300bbb51a3dd
SHA1

ad9683d50dc556ae73fb86fd3eac8f639fa29310
SHA256

08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e
SHA512

01e13f6aa864736d5285f14ae201089bc1cd71618933eac85f626640df0fbe754d47b501f123923707c45fd614ba910606a8a587041164f279ffa1161d2af537
SSDEEP

49152:iZ2AarpaRerHQNceyqv8WbEOU/bbmnyLnURNuRbrH:iZ2lrkRezQNcedUP8du3

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.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	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.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
2232	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3620	2232	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	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.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	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2232	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe
2232	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe
2232	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe
2232	08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe

C:\Users\Admin\AppData\Local\Temp\08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.exe
"C:\Users\Admin\AppData\Local\Temp\08f3a80a6829787b5064cd2aff18ede8f4f6bf7a30681e6219a38df1c41ebd0e.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:2232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 1496
  2⤵
  - Program crash
  PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2232 -ip 2232
1⤵
PID:2696

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/2232-0-0x0000000000630000-0x0000000000B23000-memory.dmp

Filesize
4.9MB

Download
memory/2232-1-0x00000000771D4000-0x00000000771D6000-memory.dmp

Filesize
8KB

Download
memory/2232-2-0x0000000000631000-0x0000000000648000-memory.dmp

Filesize
92KB

Download
memory/2232-3-0x0000000000630000-0x0000000000B23000-memory.dmp

Filesize
4.9MB

Download
memory/2232-4-0x0000000000630000-0x0000000000B23000-memory.dmp

Filesize
4.9MB

Download
memory/2232-5-0x0000000000630000-0x0000000000B23000-memory.dmp

Filesize
4.9MB

Download
memory/2232-6-0x0000000000630000-0x0000000000B23000-memory.dmp

Filesize
4.9MB

Download
memory/2232-7-0x0000000000630000-0x0000000000B23000-memory.dmp

Filesize
4.9MB

Download
memory/2232-8-0x0000000000630000-0x0000000000B23000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads