250e42ed75d97978006315071bad2abaa150632bd160640a90487cfd2a8b8c29

Analysis

max time kernel
148s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/10/2026, 16:55

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dnco.dll
Size 67KB
Sample261006-ve97passhy
SHA256 250e42ed75d97978006315071bad2abaa150632bd160640a90487cfd2a8b8c29
MD5 75f741495899c089207b2a4d37ec4cca
SHA1 334043b7ec6c0c5ed6e37cecc70872ee7584d9ed
SHA512 2962dd57c1837c7c4455b78ba25d66cb995d3f22dd96064199f7cbb3d7499951e77da4f676905a27ea63cffb80537bad6851ac7f7b0903ef18f03fc107d3d233
SSDEEP 1536:Bm1NGJVGYy0RzU6417RIjl6iak5VhNo1lwdqp1LuNCJ8B:kX0VU64dRIjlfaoV7dMw0Q
TLSH
T1E763BF949A3A1639D72BDE7B8AFB7D2CCB1533F6BD53A64E0420618518321C2BF0645F
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/4172-0-0x0000000010000000-0x0000000010013000-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 4104 wrote to memory of 4172	4104	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dnco.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dnco.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4172

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/4172-0-0x0000000010000000-0x0000000010013000-memory.dmp

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