3445b23cc1368c5047840ca5f21c08df4862c86356e991f661e2f1ff92f4f59e

Analysis

max time kernel
148s
max time network
141s
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, 20:05

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General

Target
jaffacakes118_Trojan-PSW.Win32.Kykymber.dolw.dll
Size 61KB
Sample261012-yvbwlszyas
SHA256 3445b23cc1368c5047840ca5f21c08df4862c86356e991f661e2f1ff92f4f59e
MD5 ebe38b656b519db15780ba397be87d96
SHA1 270ad3d1328bd9b4058671484002f6dc048ac69c
SHA512 fe68f9cf77525927b0907260d09e491d457144533130b37ae4092ad89b19b9c48217b2a3103303ab4b879537906e0000cd727fb06f45d8b865cf938e637e672e
SSDEEP 1536:APqmOCbgfYHhEA+J3ApcrUdXPwhXK4JgN/dYl2I89ApKDwIQaXKe:cqmAAHanzUBwhXK8HYIsAXHe
TLSH
T15A53AE989E251B7AD37BC77BC8FA6968CA0523F3FA13E1CB4428D4D114322826F0655E
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/2984-0-0x0000000010000000-0x000000001000D000-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 5224 wrote to memory of 2984	5224	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dolw.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-PSW.Win32.Kykymber.dolw.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2984

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/2984-0-0x0000000010000000-0x000000001000D000-memory.dmp

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