441c3f2e74b46a3c7e2b96a1543dc35a198717b452e0fcdfaa6460fd68c919c7

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
14/10/2026, 09:43

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dndr.dll
Size 50KB
Sample261014-lp5khsa15s
SHA256 441c3f2e74b46a3c7e2b96a1543dc35a198717b452e0fcdfaa6460fd68c919c7
MD5 af4912146696a4ada708b6b52ed40223
SHA1 62dc21c4a9992b315bcd942a66641c1678d9fbd2
SHA512 171a3bfa4801fb4d5a8c59f52f140899e532ec252fd957b8794416ed1fffbfd07659e1a0b09ef64e74d355ec6d78d3c05a6a500c54e9d6f463934a5391d46225
SSDEEP 1536:GQ3tfgXKZgJCEw6G5Y+iPsF4Iy+RZFf+/G:VfgXKWrw6GmZ5CRF
TLSH
T13F33BFA4696A7A78E6E7CF3789AB793CCF1423B7F5532157442A70811436181FF0A38E
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/2636-0-0x0000000010000000-0x0000000010016000-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 2532 wrote to memory of 2636	2532	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dndr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dndr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2636

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/2636-0-0x0000000010000000-0x0000000010016000-memory.dmp

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