34800fb1817e4b55f3071cb8a99290b3ee9102e214bafd38c3b7a6d03600814e

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, 20:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dncs.dll
Size 72KB
Sample261012-ysqa8aew6y
SHA256 34800fb1817e4b55f3071cb8a99290b3ee9102e214bafd38c3b7a6d03600814e
MD5 24dc6c8828a52710780a989f224914c6
SHA1 0db3c3d7a2c52cb4a020f6ce66e942c2eeae5bce
SHA512 fa8433ab68fd996b4ba74a28802c6a58de186e7a9a07d6f2caa7c79afd4de63879f1efd0c4076761cca416db333e6767711829fc29ad3bd2cc54850076d24e4c
SSDEEP 1536:ev6LdxZmo4W3g8HNTOspqeB4FhKzw9zvGTkg/mqJ8By:vLJb4WBHNTOVe4FhKshvGkg/Tay
TLSH
T13A739FE1DB2E3A79E76FDF7FC8A72D28C91523F7B55295A70424509405B2182BF4700E
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/4188-0-0x0000000010000000-0x000000001000C000-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 4048 wrote to memory of 4188	4048	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dncs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dncs.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4188

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

Loading Replay Monitor...

Downloads

memory/4188-0-0x0000000010000000-0x000000001000C000-memory.dmp

Download