stealc | a40fd2d90a9a069b9c05e35400e18d2880665b52a15f4034d0d4befaf21c7098

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2023 01:42

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General

Target

d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59.exe
Size

251KB
MD5

485969ebc7fb19905e9cd1008c26b7ad
SHA1

e457413062c38dfa2381e841a6c29728335b809f
SHA256

d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59
SHA512

1b205441d0bcb1783b6bcc70c54f04754f6113b76958520a0a1ea29259720c78355561b3dbb787dc97298298a599d66ddf9e618100fb1a2ad6198309ba327b22
SSDEEP

6144:cPFEOlHtmLigXXU9tsO+mfx7Uz5Edp1iee74:YmwtmLimU9tBRpYE/1i7k

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://williammoore.top

Attributes

url_path
/40d570f44e84a454.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
2104	980	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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
980	d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59.exe
980	d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59.exe

C:\Users\Admin\AppData\Local\Temp\d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59.exe
"C:\Users\Admin\AppData\Local\Temp\d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 980 -s 1112
  2⤵
  - Program crash
  PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 980 -ip 980
1⤵
PID:4440

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/980-1-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download
memory/980-2-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/980-3-0x0000000002510000-0x000000000252B000-memory.dmp

Filesize
108KB

Download
memory/980-4-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/980-5-0x0000000000970000-0x0000000000A70000-memory.dmp

Filesize
1024KB

Download