a7863e07500c2478f12294ece26581731d6be2cb1c2837f329ceb61ccc7029d7

Analysis

max time kernel
148s
max time network
125s
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, 20:09

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.leh.dll
Size 88KB
Sample261012-yxkarswx8q
SHA256 a7863e07500c2478f12294ece26581731d6be2cb1c2837f329ceb61ccc7029d7
MD5 398eecf76ed20d459c232b63004b9ea6
SHA1 5305799fd74406f5661a83c087c407620a60aaa0
SHA512 bf7fcbbac49988340b0ea2d6e183ed4f9d1df1960bdfbb720549390f56c5415524687c457b1ed7f045db83147b8094f147998da088bb6384ee240521151faa57
SSDEEP 1536:i64W3b/+sHTUxLuLvT8ceKfV4wLendlyJ3EUX1B:1b/+sHzr+EiGREUb
TLSH
T1FA93BF9D96157677D77B8936644D3E27423922F16C5BE00BA33310993CF32A2AB09F4B
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/4888-0-0x0000000010000000-0x000000001000F000-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 2472 wrote to memory of 4888	2472	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.leh.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.leh.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4888

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/4888-0-0x0000000010000000-0x000000001000F000-memory.dmp

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