koiloader | 08502dc71307ca11108fc37e89ab1633458779841a9d3cc6c32ff43d1a66cf18

Analysis

max time kernel
95s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 14:12

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General

Target
694bd3f812cef9d713a7160f27b96422.exe
Size 178KB
Sample240906-rht34a1eqf
SHA256 08502dc71307ca11108fc37e89ab1633458779841a9d3cc6c32ff43d1a66cf18
MD5 694bd3f812cef9d713a7160f27b96422
SHA1 0cf93abb211842e4c7b913a3394698feae1b0766
SHA512 d91e77daae93fb40894e84743c279c784a516ada9dd8fb1ce25e74c33d28e320aaef9a6aa92d4f9412d4726a8a291ac5066b54638fe1349fddef1b4b3202572b
SSDEEP 3072:jCmlA+2TGMF85+bkRG32foUP9GmPe97Uo+f0QdoKfwoSkM0gQ4gzNZ:mmlV4h8JG3QUz2h7fKkWQjNZ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

koiloader discovery loader

Malware Config

Extracted

Family

koiloader

http://146.70.158.109/config.php

Attributes

payload_url
https://mayanboats.com/wp-content/uploads

Signatures

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

Detects KoiLoader payload 1 IoCs

loader

resource	yara_rule
behavioral2/memory/4560-0-0x00000000007C0000-0x00000000007CD000-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	694bd3f812cef9d713a7160f27b96422.exe

C:\Users\Admin\AppData\Local\Temp\694bd3f812cef9d713a7160f27b96422.exe
"C:\Users\Admin\AppData\Local\Temp\694bd3f812cef9d713a7160f27b96422.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4560

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/4560-0-0x00000000007C0000-0x00000000007CD000-memory.dmp

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