koiloader | 1aef9cb18d49d993322f0f100abc9f1d5197c41ff5f7bee0650bca13a4ba96e2

Analysis

max time kernel
99s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 01:04

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General

Target
1aef9cb18d49d993322f0f100abc9f1d5197c41ff5f7bee0650bca13a4ba96e2.exe
Size 223KB
Sample240907-bfbwqswhlm
SHA256 1aef9cb18d49d993322f0f100abc9f1d5197c41ff5f7bee0650bca13a4ba96e2
MD5 3a0e97f96ea1e18804e9cae50d072402
SHA1 1dd43dbf3227196b0dce714717d2ff70c6b43f44
SHA512 26b49ca8d87e3ef9e5162c052693fcd2ff0f3368d9b574750cec811f6a46c462763374e11a24831075783a666a95c4c436fa0c11650468ccbb40c5f19e7224ad
SSDEEP 3072:cFbpLvBOkWpEmDWgp4HlnpCOiElSHTsZ1TjkLc4GQ83ap9LBToFinxpi/:cbB2EzvqgrTjkLNGQ83aproFsi/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

koiloader discovery loader

Malware Config

Extracted

Family

koiloader

http://89.251.22.227/guacos.php

Attributes

payload_url
https://lechiavetteusb.it/imgs/usb/logo

Signatures

KoiLoader
KoiLoader is a malware loader written in C++.
loader koiloader

Detects KoiLoader payload 1 IoCs

loader

resource	yara_rule
behavioral2/memory/2648-0-0x0000000001310000-0x000000000131D000-memory.dmp	family_koi_loader

System Location Discovery: System Language Discovery 1 TTPs 1 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	1aef9cb18d49d993322f0f100abc9f1d5197c41ff5f7bee0650bca13a4ba96e2.exe

C:\Users\Admin\AppData\Local\Temp\1aef9cb18d49d993322f0f100abc9f1d5197c41ff5f7bee0650bca13a4ba96e2.exe
"C:\Users\Admin\AppData\Local\Temp\1aef9cb18d49d993322f0f100abc9f1d5197c41ff5f7bee0650bca13a4ba96e2.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2648

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/2648-0-0x0000000001310000-0x000000000131D000-memory.dmp

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