f99dfd7f9cd6938bd38b8e52286752df3193a226f4bb67f0af720c0de2331627

Analysis

max time kernel
148s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/10/2026, 09:48

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dpll.dll
Size 56KB
Sample261014-ls36vsbt3k
SHA256 f99dfd7f9cd6938bd38b8e52286752df3193a226f4bb67f0af720c0de2331627
MD5 dcd7da880a603b808df73f9697fae436
SHA1 dfab785f479be9aab5f1e58eb5575dcb50f25834
SHA512 f1ad004132482e54b633306090587aa8b49b8d3f158287c3fb56bf4c006f2b7f52d9da270e2f0f2aa8892b3a183e50b77d65f19738b7470cddca069cead443dc
SSDEEP 1536:TMYnbsFTwBfNy/IjdpURMkPNyKOaW4wSlFWe:fsFTaT7aMkPpc4Jlb
TLSH
T11143BFA5AA2E6375D76BDF3BC9DA78288B1423B3BC03E15B142475D014762E1EF4260F
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/2952-0-0x0000000010000000-0x000000001000D000-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 3704 wrote to memory of 2952	3704	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dpll.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dpll.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952

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/2952-0-0x0000000010000000-0x000000001000D000-memory.dmp

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