31bfdb7f03ac9569be33b42eca959ed61ac9e739ab410010f66e08c626c596f3

Analysis

max time kernel
148s
max time network
127s
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, 15:17

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
jaffacakes118_Trojan-Dropper.Win32.Agent.aysf.exe
Size 18KB
Sample261006-spjflsfd38
SHA256 31bfdb7f03ac9569be33b42eca959ed61ac9e739ab410010f66e08c626c596f3
MD5 70f9108390724a6fcfc1a215f766da58
SHA1 456ebebdbb3e90f046451881210a1332e79a3c23
SHA512 254320b83edd208baf71dd467a6918199698cea016a7b9de2af7426bb143b27891e07c4affa4bc38c8c2811af05edccff5d3ceb92d7e1cbb6c87a22423438425
SSDEEP 384:Ajth/Y4tkZrGELFgUE+vR1qWvDNb6+0sez3HiypmTvtIl:AX/Y4tUItyR1qWvpcseTCy0Tv2
TLSH
T15182D09BDF108C9DC50B5C37278B574329AC59F8198DA30BC86CB7E725978E25224B33
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/948-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/948-1-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5148	948	WerFault.exe	87

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	jaffacakes118_Trojan-Dropper.Win32.Agent.aysf.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.aysf.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Dropper.Win32.Agent.aysf.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 948 -s 336
  2⤵
  - Program crash
  PID:5148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 948 -ip 948
1⤵
PID:1236

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

Loading Replay Monitor...

Downloads

memory/948-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/948-1-0x0000000000400000-0x000000000040F000-memory.dmp