fae3ca4221a1e0e2d7ec3733c3f84cead86d78f3e4c94a2a258ab92ebabf1f84

Analysis

max time kernel
150s
max time network
162s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/06/2026, 12:14

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General

Target
FileZillaPortable/App/filezilla/FzResKr.dll
Size 30KB
Sample260627-pepcbsbs6p
SHA256 fae3ca4221a1e0e2d7ec3733c3f84cead86d78f3e4c94a2a258ab92ebabf1f84
MD5 6a3ed0433f5bb736ef5fd2e37337e01b
SHA1 a31f983b1e14219b609681acfc7c240764e45d13
SHA512 ed74b0661eaf5c69c4a77ca8adb2646363ecae2d91e5efa3a78c064df53cb7188b8c840d04cece874647ad1a4fbd54b4dcfdeb3ee25cd226354af93096878763
SSDEEP 384:fxcs5ApdzsvvAH+FPL7B5ITZpxY+8rt+4aUur00Vj2Swy3wu5rmdnegkGs:rjvvAOvTITUt+FBVj2/ipngkGs
TLSH
T135D2BE86D7EC690FF4AA11310853CE616A3AD891F363E7133754000DEE2E71CAF15BA2
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
behavioral32/memory/1616-0-0x0000000010000000-0x000000001001A000-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 2792 wrote to memory of 1616	2792	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResKr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileZillaPortable\App\filezilla\FzResKr.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1616

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/1616-0-0x0000000010000000-0x000000001001A000-memory.dmp

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