237ab0eefcb708ca3ef18830ef8d2457a8dcdc4ddcc701f2d16df6e85b55627c

Analysis

max time kernel
148s
max time network
141s
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, 20:01

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dnca.dll
Size 72KB
Sample261012-yrq65aee85
SHA256 237ab0eefcb708ca3ef18830ef8d2457a8dcdc4ddcc701f2d16df6e85b55627c
MD5 65fc3dcd675712c9a26915be09d5a551
SHA1 bddb635aef7ee92d01ac808f19a13b570eab413e
SHA512 c92f508c562f8e5e9294efff14e7ff85f90187fb90e38f92f75a97e692c6c407fe0de223c8c3cad365fed5192682f9127ac8ff81abe4f1f2ec8b83cf3ef46ea9
SSDEEP 1536:1zExMwCGQ2jOZbDMyJd6eRbacuNq95onXgOeP0QJ3FbbeXrhQA3PFS:1I+wCGviP9iq95oXgO+pIrhQYtS
TLSH
T1DE73BFB656262635E76BCF378EEB3825CB2533B3F653A59B1034249519373D1AF0220E
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/4268-0-0x0000000010000000-0x000000001000E000-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 5052 wrote to memory of 4268	5052	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dnca.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dnca.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4268

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/4268-0-0x0000000010000000-0x000000001000E000-memory.dmp

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