3728f3bc224c52810873db3644cb7e4e8d805981820eced9d39a4ccb66f66c4b

Analysis

max time kernel
148s
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, 20:08

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dpsb.dll
Size 51KB
Sample261012-ywmphaex3x
SHA256 3728f3bc224c52810873db3644cb7e4e8d805981820eced9d39a4ccb66f66c4b
MD5 03b2a87d6aec0e416800bf4dfe2c5045
SHA1 720f3b69512883e8c7f295eba0c435926bbd22e2
SHA512 88176708fc6b46e137385cdce445eb56a4c86a0d42a28db932e147c2b4b3490e887c9d205a950db77bf75166e643cf408cef011012e466166a5e896f606bf5fd
SSDEEP 768:2LlN1HMLNMXQ0dYNkL6NsLsVZ0CoGpza9rVsJav3CvMQJnjHuyxoKJgPgWnAODBc:2LOJMXV6fzVZ0tGpzac/nnDlxocyhN8n
TLSH
T10D33AEA8696F9672E357DB7B99FAB42CCB1013F7BC83945E94202494163B181FF0254F
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/5044-0-0x0000000010000000-0x000000001000E000-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 4864 wrote to memory of 5044	4864	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dpsb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dpsb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5044

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/5044-0-0x0000000010000000-0x000000001000E000-memory.dmp

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