cdcaed01d5534809672cfa24d12de90efd615ed10c742a8bb1f550e1a94ee8ec

Analysis

max time kernel
148s
max time network
125s
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, 16:57

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.kzn.dll
Size 100KB
Sample261006-vgfe4aa19w
SHA256 cdcaed01d5534809672cfa24d12de90efd615ed10c742a8bb1f550e1a94ee8ec
MD5 4ad04430ca8b64ea154f342771b00bad
SHA1 29d32064031d7656f574f9426d713d3a98a71904
SHA512 6a361c644eee18d2b427c197de2d5cee6aa5d9d2404b151208a72cb650754409e24f6e8968ef83019d56fea0dc25a670abac9f1d86f8413a8f06166b7006b7df
SSDEEP 1536:zMHSIHT9yM8vKOsplwM9P+a4rx9Y/ZJohHk7JLdpWX:z1QT0hvKOylwM9ma4rx9YbohGJLd4
TLSH
T1B6A3BFD95612713BD37B893B989A3A27493922B27D57605FC33221893CB62E19F05F0F
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/5832-0-0x0000000010000000-0x000000001000E000-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 4904 wrote to memory of 5832	4904	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.kzn.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.kzn.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5832

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

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Downloads

memory/5832-0-0x0000000010000000-0x000000001000E000-memory.dmp

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