55c08ac1244c3a7f8ebcfa60458fa0e2e95e6e519ae65560223095b087f1a8c5

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, 20:07

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dpfv.dll
Size 86KB
Sample261012-ywapyaav3m
SHA256 55c08ac1244c3a7f8ebcfa60458fa0e2e95e6e519ae65560223095b087f1a8c5
MD5 44c6896d25bb61745395e256cb2e1fe2
SHA1 7e145c655ba06fc7f046e5d05db9247c93da6b10
SHA512 320d4c4cee60962b6d8dccf57f7ad3bca5cc3f48e55d344c6ec62c029bb82de61959d988247c57ea9cf1e00572494efbadf974494fe8488f0050c057d28ddf10
SSDEEP 1536:kqKlQnkeUs8C9DtpLwz1qKjewLxtdXf/bjA4Kdyuhs:k5g8C/K1nFLdf/bjAKuO
TLSH
T1B683BFA88662263BD37FD83A68963E3F092921767D575097832351D63C76283EF05F0B
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/5264-0-0x0000000010000000-0x000000001000D000-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 1260 wrote to memory of 5264	1260	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dpfv.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dpfv.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5264

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/5264-0-0x0000000010000000-0x000000001000D000-memory.dmp

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