koiloader | fed789b6353a0b47856963869cd0730729e72b21c08ab54ad7d4bec4f38d3da8

Analysis

max time kernel
150s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/09/2026, 06:21

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General

Target
michtNei.exe
Size 181KB
Sample260924-g4algatv2m
SHA256 fed789b6353a0b47856963869cd0730729e72b21c08ab54ad7d4bec4f38d3da8
MD5 6de76e8f46ff46803268219774e5de41
SHA1 d553c8ca4f4d9dbcc048fbe586679e53c9bc7bd7
SHA512 8978687cbcf20408baae6f588595f1c58f0baf5976cf7c269987e6ed3a6309e841d8621c08c1efbfd2c3aecfc73c06a6d453463e09f601c73f3f0986b9adf262
SSDEEP 3072:HCmlA+2TGMF85+bkRG32foUP9GmPe97Uoduqn+HaxAdbAqR/gTDTdJip9NZ:imlV4h8JG3QUzduqn+HaGdbD/Mf+/NZ
TLSH
T14E047B29B0C04032D3722CB306E0959FAA7DF925BB811DEB37A56D3D5B610F1DA35CA6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery koiloader loader

Malware Config

Extracted

Family

koiloader

http://45.86.162.187/overapplaud.php

Attributes

payload_url
https://www.crowcrm.eu/adserver/docs/images

Signatures

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

Detects KoiLoader payload 1 IoCs

loader

resource	yara_rule
behavioral2/memory/3520-0-0x0000000001150000-0x000000000115D000-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	michtNei.exe

C:\Users\Admin\AppData\Local\Temp\michtNei.exe
"C:\Users\Admin\AppData\Local\Temp\michtNei.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3520

Network

MITRE ATT&CK Enterprise v16

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/3520-0-0x0000000001150000-0x000000000115D000-memory.dmp

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