stealc | 4b0d82d4ed6fd55b4471ee4ea5feeade6b6cb24b821238fc8a0692d12cac8131

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 01:17

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General

Target

d.exe
Size

2.3MB
MD5

bda164229deba9581da386c060171b58
SHA1

d20ebeeba93244d740607dfe395d03c387858a6c
SHA256

bcb2d451f4dfa2303bee79a0ad6b2f060ae508ab7cdd92e6d3f718baf297fca8
SHA512

8f3cc7bf6413508166f7a50247f0624cb96b77039aab5177df8c02ebfb357f68c0eb6c24f4c26bee6a9dfd85997bda211ebd77069ea75c599d3742b94ba39cb9
SSDEEP

49152:ynDcZqvlaRc/Ljj6+fXDHu9IJuD0TfC3o9IuX7K2p6s7Huz5Ig4//L:ynDcsvlaRcjv6+vr+IJuQTfCKIuX7K2R

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://109.107.181.33

Attributes

url_path
/de4846fc29f26952.php

rc4.plain

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1628	2900	WerFault.exe	87

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2900	d.exe
2900	d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2900	d.exe

C:\Users\Admin\AppData\Local\Temp\d.exe
"C:\Users\Admin\AppData\Local\Temp\d.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 1248
  2⤵
  - Program crash
  PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2900 -ip 2900
1⤵
PID:4716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2900-0-0x0000000002B40000-0x0000000002D6E000-memory.dmp

Filesize
2.2MB

Download
memory/2900-1-0x0000000002B40000-0x0000000002D6E000-memory.dmp

Filesize
2.2MB

Download
memory/2900-2-0x0000000002B40000-0x0000000002D6E000-memory.dmp

Filesize
2.2MB

Download