stealc | 3123af93014a5a5c49aa6fd2118f6805041af178c222be27e30b2fd477085c19

Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

06-08-2024 13:01

06-08-2024 12:52

06-08-2024 12:29

06-08-2024 12:26

Analysis

max time kernel
149s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 15:32

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General

Target

1/0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe
Size

389KB
MD5

35a50d146a389289bf8cf8ae60c9e785
SHA1

eb94502d25789eb86dc160c2bc9be4b4a64131bd
SHA256

0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791
SHA512

9bfe09f5165fd43579d87f229ba4a17cc8af8d7fc50ed629de3ec93e1b8d94d9c6aac17f7a429b401f332623cef2178f0d0f1930b674cf1061d24225e5427ada
SSDEEP

6144:blwLkykiFkeLnCUcx/IcoN6OpMW6rTBwEBKI7MUYbuYg785zg2di8DEO:bRiFHnC5m2TB+I70678dXi8DEO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://85.28.47.101

Attributes

url_path
/f3ee98d7eec07fb9.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 5024 set thread context of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85

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	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 3660	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	84
PID 5024 wrote to memory of 3660	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	84
PID 5024 wrote to memory of 3660	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	84
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85
PID 5024 wrote to memory of 3180	5024	0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe	85

C:\Users\Admin\AppData\Local\Temp\1\0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe
"C:\Users\Admin\AppData\Local\Temp\1\0e4fc438decc9723b89bd0e71b9ee30c1a8390e697d790b2d5ce96e94accd791.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3660
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3180

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/3180-1-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3180-3-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3180-4-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/3180-5-0x0000000000400000-0x000000000063C000-memory.dmp

Filesize
2.2MB

Download
memory/5024-0-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download