stealc | aba62bbf6ed281583a0c2027ccd15dd367309bba790800918c501940c7ad66a2

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 12:08

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General

Target

file.exe
Size

206KB
MD5

89d3a7a63f88f0c4ce563827151516e1
SHA1

41260c97cd71900250c61e290873a35e15e18424
SHA256

aba62bbf6ed281583a0c2027ccd15dd367309bba790800918c501940c7ad66a2
SHA512

7138a69137b772816a4f0370c90be94d2a4ac1d3026d651b1e56900488b99550ce46844eb4407d48e35af2025fdb2c831f68bcba8e590c886e24038cffda6c34
SSDEEP

3072:o3lIJfs1CeH5kmr+5D3/GUVunExQWtMHU0VgT96Y5jNgdWomop1UoMkm7Du4QVW3:oVIJfsYyUVujW5jNBomozUogxrEO

Score

10^/10

stealc nord discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

nord

http://185.215.113.100

Attributes

url_path
/e2b1563c6670f193.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 2152	2452	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1876	2152	WerFault.exe	31

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 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2452 wrote to memory of 2152	2452	file.exe	31
PID 2152 wrote to memory of 1876	2152	RegAsm.exe	32
PID 2152 wrote to memory of 1876	2152	RegAsm.exe	32
PID 2152 wrote to memory of 1876	2152	RegAsm.exe	32
PID 2152 wrote to memory of 1876	2152	RegAsm.exe	32

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:2452
- 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:2152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 252
    3⤵
    - Program crash
    PID:1876

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/2152-13-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2152-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2152-11-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2152-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2152-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2152-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2152-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2152-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2152-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2452-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2452-1-0x0000000000100000-0x0000000000138000-memory.dmp

Filesize
224KB

Download
memory/2452-16-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download