stealc | c45269675dbf15f6ef65637952f5e57c50f124f2182bb6d526cff137bdd07008

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 15:05

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General

Target

file.exe
Size

326KB
MD5

93d82638ef554a5117ce5b0d23449d01
SHA1

72f96fae5b89aec666887d34655552e8f9cca90b
SHA256

c45269675dbf15f6ef65637952f5e57c50f124f2182bb6d526cff137bdd07008
SHA512

271b1a758070354bb1ae8530c21fa7a25937f739b1d2844dc0c23a8984e3a8e5b0478e7bc6053e36dbcaa460eca814e751d770553b224c0081e46981d8ad2a79
SSDEEP

6144:G64ysmRhhpPdrxp7jylbwq6sua07m680VqjS65EkSDcVtw4ufST7/JcG6EO:GdmnVxp0XNua07m30Vqjz5EHAVO4u672

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 2456	2308	file.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3064	2456	WerFault.exe	32

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

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2308 wrote to memory of 2456	2308	file.exe	32
PID 2456 wrote to memory of 3064	2456	RegAsm.exe	33
PID 2456 wrote to memory of 3064	2456	RegAsm.exe	33
PID 2456 wrote to memory of 3064	2456	RegAsm.exe	33
PID 2456 wrote to memory of 3064	2456	RegAsm.exe	33

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- 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
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 252
    3⤵
    - Program crash
    PID:3064

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/2308-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2308-1-0x0000000000860000-0x00000000008B6000-memory.dmp

Filesize
344KB

Download
memory/2308-16-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2308-7-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2456-15-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2456-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2456-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2456-13-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2456-11-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2456-8-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2456-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2456-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2456-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download