stealc | bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2

Analysis

max time kernel
91s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
11-08-2024 23:57

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General

Target

bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe
Size

206KB
MD5

e826e5dda653e04af408850d34bcde30
SHA1

ef68ca7be13805e1a4ce73320015567df98b07ff
SHA256

bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2
SHA512

c2750171b88c7d138299b29341af7cd20d97c2a22f6cb82b5e7711cc28f7947ac943fbf9ba8c038f49678b1b38d6a752706242786ed627fa69db267690da3072
SSDEEP

3072:NL3cC9msn+i+bGNEo51Fm4V2o5Y9ZC37VksN7MYpwyMCDzQRgUAsPA7TKYzEO:NL3cdct+nE2mY9ClN5StsUAREO

Score

10^/10

stealc kora discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

kora

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 1332 set thread context of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.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	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81
PID 1332 wrote to memory of 3084	1332	bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe	81

C:\Users\Admin\AppData\Local\Temp\bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe
"C:\Users\Admin\AppData\Local\Temp\bdf3491c9a75b80277746b1d6c105da79a3b5fba637236b87dd4af15af33e3b2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1332
- 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:3084

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/1332-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1332-1-0x0000000000700000-0x0000000000738000-memory.dmp

Filesize
224KB

Download
memory/1332-7-0x00000000748C0000-0x0000000075071000-memory.dmp

Filesize
7.7MB

Download
memory/1332-10-0x00000000748C0000-0x0000000075071000-memory.dmp

Filesize
7.7MB

Download
memory/3084-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3084-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3084-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3084-9-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download