d4b0b341dac684c8bd67fa2caa8479214a8b0f28537ddd0a8b015d6d51d97421

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
06/10/2026, 16:56

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.kmv.dll
Size 58KB
Sample261006-vft7vsa17x
SHA256 d4b0b341dac684c8bd67fa2caa8479214a8b0f28537ddd0a8b015d6d51d97421
MD5 baf6370d917bcdd0d9ad06d928ea9e67
SHA1 12854a305776aa334f8ee91e143e3d55a6b377d9
SHA512 540a44a0388b0375d0f6b8d9fc1e047eca7ff9eb6f90a9059593269eba9ebbe10adeaea9e7cd03065df9c133c803963ce5d00f09f696a3830e49677c8e86c5b8
SSDEEP 1536:yok0mU99XKkM8bVvmMKoQpTPDcIR7n39f53RBQvs40dI:/maachvu7n39hBB/46I
TLSH
T18643BF70AA2A2F39E76BE6BB45BF392C491023F3BF53B6DB601461B01531142EF0655E
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/6056-0-0x0000000010000000-0x000000001000F000-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 1888 wrote to memory of 6056	1888	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.kmv.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.kmv.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6056

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/6056-0-0x0000000010000000-0x000000001000F000-memory.dmp

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