197e92b10922e6324ff6d148c3119fc8bb48e0516eea81469686587dad209906

Analysis

max time kernel
148s
max time network
128s
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, 20:10

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.leh.dll
Size 132KB
Sample261012-yxvrhaef32
SHA256 197e92b10922e6324ff6d148c3119fc8bb48e0516eea81469686587dad209906
MD5 76c1319ff4720702ccecfdf4e8f4e19d
SHA1 676260f1036dc174b4c6fa26805a3ec6f8be080e
SHA512 c5fbcd013d5716d7a6d587dd9b03b3a9843406e77cd079776dd2c2f4ae49a7be5c4f125fee2465f8cb711a1328fee354e4f80638a1c0d9a2a8e43a64dd20eadf
SSDEEP 1536:MDEFUawhF/H8fO6c2ZH4gfQRu/2nt36QUIke5yFas8aazn:j4D/cc2qgdOn5L5yFaRaqn
TLSH
T199D3AF9A9A142533D7BBC837A49A3B17463A22B23D07644FD336258A3C771D29B05F0F
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/4128-0-0x0000000010000000-0x0000000010017000-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 4244 wrote to memory of 4128	4244	rundll32.exe	89

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:4244
- 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:4128

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/4128-0-0x0000000010000000-0x0000000010017000-memory.dmp

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