stealc | fc330820899d3b38c7267818e1603b11c5e66b93a7ff5ec649f2ce033c1e3b66

Analysis

max time kernel
147s
max time network
151s
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, 21:22

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General

Target

5ACm77MN7q63MOxGPe3CiriK.exe
Size

206KB
MD5

d22f922c9b6e07fc161e1367264e29d8
SHA1

f5fe23f6ccb233ddff4b77dc356b01c1c2fc5983
SHA256

fc330820899d3b38c7267818e1603b11c5e66b93a7ff5ec649f2ce033c1e3b66
SHA512

cd7dd3389cd257a28eaa41232b8641900f77bed5713f3670668c73e4e3c65d899cd54a659fc2391b970718ad4d74f6f015d54ae8c6d75a36d928f750bbff8854
SSDEEP

3072:cPa5ECm4gXI65Dk25H3VZISd3j9d0h74X3f7AOi9A82aHFIxiIOuCheHkLXOTKYp:yhlI5293VZIw3JM7U3f1raHFIpURLGEO

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 4808 set thread context of 652	4808	5ACm77MN7q63MOxGPe3CiriK.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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ACm77MN7q63MOxGPe3CiriK.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81
PID 4808 wrote to memory of 652	4808	5ACm77MN7q63MOxGPe3CiriK.exe	81

C:\Users\Admin\AppData\Local\Temp\5ACm77MN7q63MOxGPe3CiriK.exe
"C:\Users\Admin\AppData\Local\Temp\5ACm77MN7q63MOxGPe3CiriK.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4808
- 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:652

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/652-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/652-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/652-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/652-9-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4808-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

Filesize
4KB

Download
memory/4808-1-0x0000000000930000-0x0000000000968000-memory.dmp

Filesize
224KB

Download
memory/4808-7-0x0000000074D00000-0x00000000754B1000-memory.dmp

Filesize
7.7MB

Download
memory/4808-10-0x0000000074D00000-0x00000000754B1000-memory.dmp

Filesize
7.7MB

Download