6b7fb75aca82729322e0d4ecc927dd75d0721e35adccedcb57a865e8ff3e9764

Analysis

max time kernel
149s
max time network
151s
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/FzResFr.dll
Size 31KB
Sample260627-pepcbsbs6p
SHA256 6b7fb75aca82729322e0d4ecc927dd75d0721e35adccedcb57a865e8ff3e9764
MD5 78cb23a2ff8748f467512a988eae717f
SHA1 5db5c6730bb81c3651ea3acedb1a2b1bd520d655
SHA512 8c3a4339cead80c40d4c246edd0bd8bf3071e6b2469af8a8e94a8a1bf3359eecbe3e477061a3fcdfa82a7de1365b3066c544502bd3dee2c9a7527cac20ea9343
SSDEEP 384:4/vzAu/SQPQNwXq6ClVqFVwoteuSQlqz8U39t+QhwZ7bBnQfwfZ4RY2CzfsQql3e:4/8wQ6q6xVHSQszieBS4l6fsQqV6Mdw
TLSH
T1F4E2AF4FAB488E45C4A25131D5E38E91D336E8537AA6931F669C4D2EFC337308E12E66
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
behavioral23/memory/1292-0-0x0000000010000000-0x0000000010022000-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 3860 wrote to memory of 1292	3860	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResFr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResFr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1292

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/1292-0-0x0000000010000000-0x0000000010022000-memory.dmp

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