koiloader | 3e4a9f407f65d267319df1497f7f2faa16f12c9660776392abf7037b1415c106

Analysis

max time kernel
94s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 01:16

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General

Target
3e4a9f407f65d267319df1497f7f2faa16f12c9660776392abf7037b1415c106.exe
Size 189KB
Sample240905-bms4lazenn
SHA256 3e4a9f407f65d267319df1497f7f2faa16f12c9660776392abf7037b1415c106
MD5 c194c15101c7b0b66550938d65b403db
SHA1 acb09c23e4e4276dc0380df66ead14d099ea28bd
SHA512 5e1f5487abd1c99e73b38892cba554b3a24f813630a124e16e7ec56620e88da320ef0a435ee3bb1de9e9b7d9d5ab7bcd0aca385b4f2461608f31bae15b6fbf1f
SSDEEP 3072:QA+MPNsjU+g/Pu92PkWMW50y4jrv34ClUCeVdCxlo3+nJIjzCXeKTHP4zwrW6FEq:XJPxktlKVUloQLSwrW6FTILX5Cv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

koiloader discovery loader

Malware Config

Extracted

Family

koiloader

http://79.124.78.197/foots.php

Attributes

payload_url
https://www.bellantonicioccolato.it/wp-content/uploads/2020/11

Signatures

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

Detects KoiLoader payload 1 IoCs

loader

resource	yara_rule
behavioral2/memory/1672-0-0x0000000000B00000-0x0000000000B0D000-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	3e4a9f407f65d267319df1497f7f2faa16f12c9660776392abf7037b1415c106.exe

C:\Users\Admin\AppData\Local\Temp\3e4a9f407f65d267319df1497f7f2faa16f12c9660776392abf7037b1415c106.exe
"C:\Users\Admin\AppData\Local\Temp\3e4a9f407f65d267319df1497f7f2faa16f12c9660776392abf7037b1415c106.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1672

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/1672-0-0x0000000000B00000-0x0000000000B0D000-memory.dmp

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