8d3c4235252e4cf9da700ccc0ec40185e41c1f07cb8e17908e35f489be153fa3

Analysis

max time kernel
148s
max time network
142s
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, 20:07

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dpfr.dll
Size 81KB
Sample261012-yv476aee99
SHA256 8d3c4235252e4cf9da700ccc0ec40185e41c1f07cb8e17908e35f489be153fa3
MD5 02371216b2f1fc595201d946a69c221d
SHA1 e516b2e940d23d4b555d114b3b8d3c71e2285986
SHA512 ffbe0d7c0fca75329059f49a24a051d1d20578307aad88eb30f4cd1d822bf236b7bfce459a1daa65170e7c474ec02179c8c3440ca7553384723fe61caa6183a6
SSDEEP 1536:f+w0fZDm4+wRL5CDtZsxIKU50CZnKx7E8bW4P6I6iDH7K24GA:f+3xcwR8tZWXcKLWe6EDHS
TLSH
T1F483BFB49B2D7A7CE76BDA7B8CEB3918891023F7BE43759B0030258515B3192EF0654E
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/4152-0-0x0000000010000000-0x000000001000D000-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 4672 wrote to memory of 4152	4672	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dpfr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dpfr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4152

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/4152-0-0x0000000010000000-0x000000001000D000-memory.dmp

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