597bfff1908b39a0e90a1a541bcbbaa330c0a567b5f88827087498de0c0aba32

Analysis

max time kernel
150s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/08/2026, 19:54

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General

Target
koikishi_patch_v1_2.exe
Size 57.1MB
Sample260814-ymle3sbf99
SHA256 597bfff1908b39a0e90a1a541bcbbaa330c0a567b5f88827087498de0c0aba32
MD5 dfbba78f6c383e5d02f7fa36d708bc71
SHA1 c52648577571d1498b102968a1368c8785048f29
SHA512 58ca83b2072b5af5f011097c8e308f675a6a28172287cab3326d506f657b1c2dbd8efa0f960b8ae3586d4d81ff96c4fbfba8c8764c23fbbc2d31ee15b1ecd40d
SSDEEP 1572864:1oykS0Uq9wHQInOfiv90dVXDu15/c00QAYN:KykSCw3v90dVXD4U0VTN
TLSH
T10AD7332925F2B95AD71545FA7EA00D814EBBCC3DA90267CC636D3E2F1D317CACE44886
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 3 IoCs

pid	Process
4088	koikishi_patch_v1_2.exe
4088	koikishi_patch_v1_2.exe
4088	koikishi_patch_v1_2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	koikishi_patch_v1_2.exe

C:\Users\Admin\AppData\Local\Temp\koikishi_patch_v1_2.exe
"C:\Users\Admin\AppData\Local\Temp\koikishi_patch_v1_2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4088

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsa5CCD.tmp\System.dll
Size 11KB
SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
MD5 c17103ae9072a06da581dec998343fc1
SHA1 b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA512 d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
SSDEEP 192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw
TLSH
T1CA325C5993A0C1F3D5A0823C0D973A7B1779722016B14FA3CFA35842AE196D7AC7D227
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

nsDialogs.dll

Path C:\Users\Admin\AppData\Local\Temp\nsa5CCD.tmp\nsDialogs.dll
Size 9KB
SHA256 e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
MD5 c10e04dd4ad4277d5adc951bb331c777
SHA1 b1e30808198a3ae6d6d1cca62df8893dc2a7ad43
SHA512 853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e
SSDEEP 96:hBABCcnl5TKhkfLxSslykcxM2DjDf3GE+Xv8Xav+Yx4VndY7ndS27gA:h6n+0SAfRE+/8ZYxMdqn420
TLSH
T17F12F8675A4041B3E9A3223D306A3E3F8B7C9325D0927C03C677AE566AB031A7D3A354
MD5 SHA1 SHA512 SSDEEP TLSH