302ae523a741c6d758b14af376455b8b4305249cf8c8aec9e43caaa2c28320ad

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/10/2026, 09:38

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dnby.dll
Size 58KB
Sample261014-ll91tsbs5j
SHA256 302ae523a741c6d758b14af376455b8b4305249cf8c8aec9e43caaa2c28320ad
MD5 ffad18d10ca2012a9eaf4a8b98be4f62
SHA1 71b0bd1cde2ba7d8145822886753f2b1bba23b94
SHA512 4949ac390917c4f4cef31ebd493d0a8ab5c038422bcf1f7693ca139406f0b5597f1890852ed36c614b998a507a0e181e9907bf1a65db58fa9b6047ec37df77e2
SSDEEP 1536:yHZipUTFoh8YYbKRHzFwV4E2VL0n6l/xs+UQ:yHxTFoWlbaHzF44v0nj1Q
TLSH
T10043A0A19A2769B6E33FDA3F8DAF3958471433B77A43A95B442161C505732C2EF0260E
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/4136-0-0x0000000010000000-0x000000001000D000-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 5116 wrote to memory of 4136	5116	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dnby.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dnby.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4136

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/4136-0-0x0000000010000000-0x000000001000D000-memory.dmp

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