7439954abf7ac2db1976284e21cffd997eb55b38de12c4160396abb26a9c8c40

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/FzResBr.dll
Size 32KB
Sample260627-pepcbsbs6p
SHA256 7439954abf7ac2db1976284e21cffd997eb55b38de12c4160396abb26a9c8c40
MD5 2daa64be942cb10f580cd8d8966ee98b
SHA1 56af8ee7711eb2d4e643fc170db50ecf464db4f2
SHA512 70734b3db4524b0d8cef06cd7a91fa35e0666f141a3f0c2c48259a49293d06e6fcf17adfa7a28c0ba3105a846dda0a2ddbfe73b4e6a861a994ae9b8eed39f42d
SSDEEP 384:/e0/VkXOn6YFdWSYYlGJD0P7kerKLVFmGASskIApzJjGrIylUJ7HAT3Cpa43KJ6b:1kONYccozkerQVrICGUFjR6ouxVm1L5
TLSH
T163E2AE4AEF698C3BD12102359623ADA16377E96112378B073ABC952D2F53F1C6F17913
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
behavioral7/memory/1100-0-0x0000000010000000-0x0000000010021000-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 4540 wrote to memory of 1100	4540	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResBr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResBr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1100

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/1100-0-0x0000000010000000-0x0000000010021000-memory.dmp

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