1624c7c212cc46b2bb5b37161ef81a3206fc85cf4360df95d5ceb33cbe2c4e6a

Analysis

max time kernel
150s
max time network
124s
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, 20:02

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dncs.dll
Size 54KB
Sample261012-ysjtfaew51
SHA256 1624c7c212cc46b2bb5b37161ef81a3206fc85cf4360df95d5ceb33cbe2c4e6a
MD5 16c2d063d93e7034de8499b650757a48
SHA1 2a28450722be0de9921770751130c81a026fdd56
SHA512 d4ad914e682778aa9e0c2ae247dc2e692abc15455cc4adf0def4de34d302168c72e38bf235dd4c0a6256900fb83723f6c70bc9f39c76b765c435efc88be94b11
SSDEEP 768:GbvLDaaMact8T1RTKEk/eprSjswzN7vFIKdjwqiGzc+Mi+vtHzYjQQa/GuJEwzdf:evn49jhNb6KZhzKRvlYU/GubdTlCkt
TLSH
T1A043AFE0962A1E79E7BBCE7FC56F3C298A2123B37913F59B1034258501F6182EF0655E
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/4844-0-0x0000000010000000-0x000000001000C000-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 4948 wrote to memory of 4844	4948	rundll32.exe	89

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:4948
- 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:4844

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/4844-0-0x0000000010000000-0x000000001000C000-memory.dmp

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