d83fd310ff441eb9f715e7387adf60e3904c3234ffa724ba1137e73e45576f0a

Analysis

max time kernel
149s
max time network
149s
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/FzResDe.dll
Size 32KB
Sample260627-pepcbsbs6p
SHA256 d83fd310ff441eb9f715e7387adf60e3904c3234ffa724ba1137e73e45576f0a
MD5 10c888fa4a19afd6a7783d79afa8f0e9
SHA1 574d3460a42e09ad2a8004b1cd88551e01268950
SHA512 204406b5b5bedb3d415ffbac28a261410c34fa35426d12ce172d99acea52d136d42f07cd826079e6c3bb199deb8ad9c52736a623329cbe91a00a424790286a61
SSDEEP 384:b8bPyu1shjcfH3wIEgHmRlCg2Ff7TdsAUKWWX9jLBiHzOQEY04U+8qylMb:ABsJCH1mRlCg2tPdsrK9LyzHmLqpb
TLSH
T146E2AE4DA3A4AA16C05F523402F38F123767E524BFA64B07964CB42CEE2A7306E57576
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
behavioral19/memory/4116-0-0x0000000010000000-0x0000000010022000-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 4616 wrote to memory of 4116	4616	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResDe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResDe.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4116

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/4116-0-0x0000000010000000-0x0000000010022000-memory.dmp

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