stealc | e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d

General

Target

e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe
Size

2.7MB
MD5

59729e914fa8e15d347129643c03ac1f
SHA1

80acb4be6a6534fb8de67caafee13a03d9e15754
SHA256

e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d
SHA512

b592b27b3db5b041d1d45b206239ffd4b37c051aeb6ea0e74e57623920e15cb18f12696e596eaeb5788d57629917f9d8324c588ef8a62d6f470173795ca79b36
SSDEEP

49152:kSmc33xGO68K1vu9T+TS6fZ0pZxvPFfJi+1hSdY:kRqhG5P1vu9T+m6fZ2xvNj1hSdY

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__	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.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	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.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
2964	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2508	2964	WerFault.exe	27

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	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.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	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2964	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe
2964	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2508	2964	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe	31
PID 2964 wrote to memory of 2508	2964	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe	31
PID 2964 wrote to memory of 2508	2964	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe	31
PID 2964 wrote to memory of 2508	2964	e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe	31

C:\Users\Admin\AppData\Local\Temp\e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.exe
"C:\Users\Admin\AppData\Local\Temp\e65319903b70ae142a07b8bf5f4573ac65b428e26cd93cbf2380e5e00f4efc0d.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
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2964 -s 928
  2⤵
  - Program crash
  PID:2508

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/2964-0-0x00000000013A0000-0x000000000188A000-memory.dmp

Filesize
4.9MB

Download
memory/2964-1-0x0000000077B50000-0x0000000077B52000-memory.dmp

Filesize
8KB

Download
memory/2964-2-0x00000000013A1000-0x00000000013B8000-memory.dmp

Filesize
92KB

Download
memory/2964-3-0x00000000013A0000-0x000000000188A000-memory.dmp

Filesize
4.9MB

Download
memory/2964-4-0x00000000013A0000-0x000000000188A000-memory.dmp

Filesize
4.9MB

Download
memory/2964-5-0x00000000013A0000-0x000000000188A000-memory.dmp

Filesize
4.9MB

Download
memory/2964-6-0x00000000013A0000-0x000000000188A000-memory.dmp

Filesize
4.9MB

Download
memory/2964-7-0x00000000013A0000-0x000000000188A000-memory.dmp

Filesize
4.9MB

Download
memory/2964-8-0x00000000013A0000-0x000000000188A000-memory.dmp

Filesize
4.9MB

Download
memory/2964-9-0x00000000013A0000-0x000000000188A000-memory.dmp

Filesize
4.9MB

Download
memory/2964-11-0x00000000013A0000-0x000000000188A000-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