stealc | 187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57c

Analysis

max time kernel
90s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2025 19:11

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General

Target

187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe
Size

526KB
MD5

34543322b8450695040f3e7d6e347860
SHA1

76466ec099dd848a8147ade4d947273e90519b67
SHA256

187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57c
SHA512

027bed796298001cdd470b436a1b8bade8bd831b7378cdd2ea35bf7191ae9c6e4a5476104353ce1585b114a8502761a01b98eefe33d6ed74ff977174dcd544e6
SSDEEP

12288:9O/YQnxaez5JNiS8J7nrL7kT8ilsVW83tEO:MXnwez5t8JfLM8J9t

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4236 set thread context of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2308	4236	WerFault.exe	83

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	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 5032	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	84
PID 4236 wrote to memory of 5032	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	84
PID 4236 wrote to memory of 5032	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	84
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85
PID 4236 wrote to memory of 720	4236	187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe	85

C:\Users\Admin\AppData\Local\Temp\187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe
"C:\Users\Admin\AppData\Local\Temp\187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4236
- C:\Users\Admin\AppData\Local\Temp\187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe
  "C:\Users\Admin\AppData\Local\Temp\187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe"
  2⤵
  PID:5032
- C:\Users\Admin\AppData\Local\Temp\187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe
  "C:\Users\Admin\AppData\Local\Temp\187ad14290e3af9901a8fc441dfa6bd8688880a3e5f13ea9de527ca3750cb57cN.exe"
  2⤵
  PID:720
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 272
  2⤵
  - Program crash
  PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4236 -ip 4236
1⤵
PID:848

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

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Downloads

memory/720-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/720-1-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/720-4-0x0000000000080000-0x0000000000106000-memory.dmp

Filesize
536KB

Download
memory/4236-0-0x00000000000E8000-0x00000000000E9000-memory.dmp

Filesize
4KB

Download