stealc | e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7

General

Target

e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe
Size

1.7MB
MD5

243981bf7518e34e3fa82c779c303bbc
SHA1

f67d4b8c4bef6b2a174b66f60415eb60e85c680c
SHA256

e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7
SHA512

a3c5a0dfc1f9b14e5a4744b6a811c473f0ed3fe08643c73c116a2050a0ba7b2bef8b0a0034356c5b5611c5a4d7c14df12b7ec0f1acb0981e09939987e5c25be8
SSDEEP

49152:zxMOQa/059DtVpDnTcdK034R5/Lm40q++HwTTQQEARb:z6pK059xj4Y03o5Dm4y+HQE2

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__	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.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	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.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
3644	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	3644	WerFault.exe	81

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	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.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	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3644	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe
3644	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe
3644	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe
3644	e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe

C:\Users\Admin\AppData\Local\Temp\e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.exe
"C:\Users\Admin\AppData\Local\Temp\e4be04959999d79537ceae6a6113614c5da67d73c99714a1aa7ce81503a249a7.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:3644
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 1512
  2⤵
  - Program crash
  PID:2752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3644 -ip 3644
1⤵
PID:3556

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/3644-0-0x0000000000EE0000-0x0000000001584000-memory.dmp

Filesize
6.6MB

Download
memory/3644-1-0x0000000077EA4000-0x0000000077EA6000-memory.dmp

Filesize
8KB

Download
memory/3644-2-0x0000000000EE1000-0x0000000000EF8000-memory.dmp

Filesize
92KB

Download
memory/3644-3-0x0000000000EE0000-0x0000000001584000-memory.dmp

Filesize
6.6MB

Download
memory/3644-4-0x0000000000EE0000-0x0000000001584000-memory.dmp

Filesize
6.6MB

Download
memory/3644-5-0x0000000000EE0000-0x0000000001584000-memory.dmp

Filesize
6.6MB

Download
memory/3644-6-0x0000000000EE0000-0x0000000001584000-memory.dmp

Filesize
6.6MB

Download
memory/3644-7-0x0000000000EE0000-0x0000000001584000-memory.dmp

Filesize
6.6MB

Download
memory/3644-8-0x0000000000EE0000-0x0000000001584000-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