koiloader | eb3ad30d442ca0bef1f002cdce1ac5e94e7a967462788decf65514f137c79d39

Analysis

max time kernel
103s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2025, 17:07

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General

Target

eb3ad30d442ca0bef1f002cdce1ac5e94e7a967462788decf65514f137c79d39.exe
Size

189KB
MD5

207b389424b4227ff2a3b9bb3381e4b7
SHA1

8d222108618bd34b50faab28fbed79b3154d4806
SHA256

eb3ad30d442ca0bef1f002cdce1ac5e94e7a967462788decf65514f137c79d39
SHA512

7d282275e2b7f1ec39243de89e5d732a73479a6c6e6322865f9e6827d7833a75d9d191acabf7c921788f4d44696fecb646a2b409f0132f598225fa7485c6dc44
SSDEEP

3072:YA+MPNsjU+g/Pu92PkWMW50y4jrv34ClUCeuYwh9q59H47Brx4joTzaCv:/JPxktlKuYwrq59HkBrajk+Cv

Score

10^/10

koiloader discovery loader

Malware Config

Extracted

Family

koiloader

http://185.14.31.13/drawtubes.php

Signatures

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

Detects KoiLoader payload 1 IoCs

loader

resource	yara_rule
behavioral2/memory/4436-1-0x0000000000E20000-0x0000000000E2D000-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	eb3ad30d442ca0bef1f002cdce1ac5e94e7a967462788decf65514f137c79d39.exe

C:\Users\Admin\AppData\Local\Temp\eb3ad30d442ca0bef1f002cdce1ac5e94e7a967462788decf65514f137c79d39.exe
"C:\Users\Admin\AppData\Local\Temp\eb3ad30d442ca0bef1f002cdce1ac5e94e7a967462788decf65514f137c79d39.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4436

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/4436-1-0x0000000000E20000-0x0000000000E2D000-memory.dmp

Filesize
52KB

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