koiloader | af816c7bf551987a9d5cfd0fa2237807eba659fa271fdab041357aa9e8969e51

Analysis

max time kernel
92s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 02:11

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General

Target
af816c7bf551987a9d5cfd0fa2237807eba659fa271fdab041357aa9e8969e51.exe
Size 178KB
Sample241009-cmkynasfll
SHA256 af816c7bf551987a9d5cfd0fa2237807eba659fa271fdab041357aa9e8969e51
MD5 13b4c5dff00cf1ea8a635743903e387f
SHA1 de5d0e9a174171257a9539117d82659bbad98139
SHA512 1116a3069bb64adc88d1b1f153c4a533a0a2479a92ae81f1a2bc76a7b6ef92f3b1975f683c0a26b2c6fd479182506ff33cd37389a129bb03c77fca8496102271
SSDEEP 3072:DCmlA+2TGMF85+bkRG32foUP9GmPe97UoenR6ftqgNbapWWmmE3aNZ:GmlV4h8JG3QUzeROHapWWk3aNZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

koiloader discovery loader

Malware Config

Extracted

Family

koiloader

http://121.127.33.20/fermentum.php

Attributes

payload_url
https://kionaonline.com/modules/bonslick

Signatures

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

Detects KoiLoader payload 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1112-0-0x0000000001330000-0x000000000133D000-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	af816c7bf551987a9d5cfd0fa2237807eba659fa271fdab041357aa9e8969e51.exe

C:\Users\Admin\AppData\Local\Temp\af816c7bf551987a9d5cfd0fa2237807eba659fa271fdab041357aa9e8969e51.exe
"C:\Users\Admin\AppData\Local\Temp\af816c7bf551987a9d5cfd0fa2237807eba659fa271fdab041357aa9e8969e51.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1112

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/1112-0-0x0000000001330000-0x000000000133D000-memory.dmp

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