koiloader | bcdaac2bc02e3c9deace4bd83272ce844b76c76928ce54caa942f25df117edf7

Analysis

max time kernel
115s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 02:03

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General

Target
11ee6952dfc7ed22e2e802b9daf254893906889861372da99819ab5e4c5bca76.exe
Size 178KB
Sample240908-cg3araydmp
SHA256 11ee6952dfc7ed22e2e802b9daf254893906889861372da99819ab5e4c5bca76
MD5 d091700ca0dac199b06647f7ad2f9d46
SHA1 8c953a93019fd05044c7b11272ad08982612ebbf
SHA512 35aa37389ea6265c3b6fb9a002310f8d2ab21989bb405368171ab85854512984ded3344b022a49117ff2aad3546fe0c0b073a8bf9511d871a487cff4d5146f37
SSDEEP 3072:zCmlA+2TGMF85+bkRG32foUP9GmPe97UokMBt7g7OIfp6XeNZ:2mlV4h8JG3QUzb7gXfpieNZ
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/4280-0-0x0000000001210000-0x000000000121D000-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	11ee6952dfc7ed22e2e802b9daf254893906889861372da99819ab5e4c5bca76.exe

C:\Users\Admin\AppData\Local\Temp\11ee6952dfc7ed22e2e802b9daf254893906889861372da99819ab5e4c5bca76.exe
"C:\Users\Admin\AppData\Local\Temp\11ee6952dfc7ed22e2e802b9daf254893906889861372da99819ab5e4c5bca76.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4280

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/4280-0-0x0000000001210000-0x000000000121D000-memory.dmp

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