stealc | da88bc40c7826a659ebd6da325bd04c9f52d4ceeef6916aafeef471c685a96b9

Analysis

max time kernel
95s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/10/2024, 13:38

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General

Target

956d73b7f041.exe
Size

503KB
MD5

054fec89fe7a32577df6035ee7e06de8
SHA1

14158263da82fdead85bed962ff9001d3e931dfd
SHA256

da88bc40c7826a659ebd6da325bd04c9f52d4ceeef6916aafeef471c685a96b9
SHA512

3429c5093d63512734559e0bfb7dd7898b18a43d6556de14446aa2226369f9de740103136f4ff04435f73978bba0718ba918878a22ebb4e78c7a99e25a78d4cd
SSDEEP

12288:HJ0/aAU4itlr3B85rDPuuSELDdmwOtrGk626eZhdIiSEO:QagitcTu28trGsWxt

Score

10^/10

stealc default5_doz discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default5_doz

http://62.204.41.159

Attributes

url_path
/edd20096ecef326d.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1616 set thread context of 2228	1616	956d73b7f041.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1800	1616	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 2 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	956d73b7f041.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82
PID 1616 wrote to memory of 2228	1616	956d73b7f041.exe	82

C:\Users\Admin\AppData\Local\Temp\956d73b7f041.exe
"C:\Users\Admin\AppData\Local\Temp\956d73b7f041.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 236
  2⤵
  - Program crash
  PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1616 -ip 1616
1⤵
PID:4092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1616-0-0x0000000000949000-0x000000000094A000-memory.dmp

Filesize
4KB

Download
memory/2228-2-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2228-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2228-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2228-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download