a39a64edc325d8629d89a100ea083c31ec356d065b0f056ea81eef8510366398

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
13/10/2026, 21:59

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
jaffacakes118_HEUR.Trojan.Win32.Generic.dll
Size 70KB
Sample261013-1v5vsstygy
SHA256 a39a64edc325d8629d89a100ea083c31ec356d065b0f056ea81eef8510366398
MD5 08ddab115b7f136438a07fd99c09012b
SHA1 de1000ad231eab5cd007dd1e776bcab9a03bf9e5
SHA512 7fb11b1597409ea946df2676b6203392b1deef501d7f717e8eec733272e7a8be33598b8ee1807b11e8f2c7692e6cf6f47f5b0215d598d00a9dc35e85077b7fa1
SSDEEP 1536:NXLwtq0c49MKioFjSz1UFLE/dW5MMbKl89h9LMTlp/8zWqlLqw7t1FVSr77Gnouy:NXLwt/FiaU1Uq/dWFbNr8azD7VS372oN
TLSH
T136630273E0DB0BC4FB6A4E75084B30975941811F658E04F84ABC21BBAD98F78998DB76
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/5676-0-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral2/memory/5676-1-0x0000000000400000-0x0000000000436000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3272	5676	WerFault.exe	88

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	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 5676	1072	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5676
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5676 -s 540
    3⤵
    - Program crash
    PID:3272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5676 -ip 5676
1⤵
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

Loading Replay Monitor...

Downloads

memory/5676-0-0x0000000000400000-0x0000000000436000-memory.dmp

Download

memory/5676-1-0x0000000000400000-0x0000000000436000-memory.dmp