76523db8f0827d82786fa49b556bcf5e293d6a88f5dc2ff3c6487d3fbf9bb1c9

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/06/2026, 12:14

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General

Target
FileZillaPortable/App/filezilla/FzResCh.dll
Size 29KB
Sample260627-pepcbsbs6p
SHA256 76523db8f0827d82786fa49b556bcf5e293d6a88f5dc2ff3c6487d3fbf9bb1c9
MD5 481564bb64bfa3ba1b57bba31e9d2b56
SHA1 5d7daf2fce2371e014227b09728a7e448fc394eb
SHA512 18b07ba24863c8390dc9c1db2efc9d69ed6ff000389899501a992592c4cb6694225ab53cea349b01766314221c354799c69b6002f27fce4119c3a9fe200b83b6
SSDEEP 384:RjWwp88BTBtXmFMLbwVAmRR8M0hsPM8NT40h7xLCjRA3ttNXGi7fjCb:tHp7B5ZPCQ2PM8NVh7xLCiZF7fjCb
TLSH
T1DDD29E9A87648C86E0E95238293F8F33A75FE5943A228B1F001B16FDEC717059E63577
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
behavioral13/memory/1516-0-0x0000000010000000-0x0000000010019000-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 4232 wrote to memory of 1516	4232	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResCh.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResCh.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1516

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/1516-0-0x0000000010000000-0x0000000010019000-memory.dmp

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