35874d457cbf9a8a954b01a7225e070d139f8ef794084f350435c3db47e9364e

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/10/2026, 20:04

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dncs.dll
Size 54KB
Sample261012-ytcfraee92
SHA256 35874d457cbf9a8a954b01a7225e070d139f8ef794084f350435c3db47e9364e
MD5 cfe53106ada10e88449745324d685693
SHA1 c9a1abe4d4d3430d61816c276b777880d9f4bdbf
SHA512 15de97a8744bf29ce5b837da4466443266fec06a85522f387aea006320774d8c25db5a1da057372482e7217dc2317e3a77cc566b14b4f6c1dfc70bebc2e062ea
SSDEEP 768:GbvLDaaMact8T4q3NacYOl996OmJQvoAIaGAmdqI/EuZeirMa3JP/UnnkPMIJE4T:evsaNavOL96OmYoANirMISkkIZT
TLSH
T15D43AFE09E2E2EBAE677CB7BC4EFBD28892023B7B513959B582454811137481EF4750F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4552-0-0x0000000010000000-0x000000001000C000-memory.dmp	upx

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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5868 wrote to memory of 4552	5868	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dncs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dncs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4552

Network

MITRE ATT&CK Enterprise v16

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/4552-0-0x0000000010000000-0x000000001000C000-memory.dmp

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