a62336567025f15d3680206d9f4e176c123c79c5fe602fdf6af164f87762bba9

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 20:40

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General

Target

bin/avformat-53.dll
Size

187KB
MD5

c5ccb86cd745746b9908031a54315f90
SHA1

d00147298fc236730a4076d5a03444ac970d053b
SHA256

ac1f83180e07ac2b3d1e6f80f94aee0b2591be13e8a1fe63998cf7f0a9f18f1e
SHA512

bcf3b40b241cba632d9fe15426d28f2ce4460523fcb1992d29ba2d85f9ee2973c7c23be0013319a973a11d2eafe882cf611d976ccb5e5877d393a035d652cbcf
SSDEEP

3072:sr928cq80ZkRaW391QjTnXPXFvbZ8/pLGVg+QwRlkR6j7lA8b:sr929YWaW3YjzpV8/YVg+wR6j7lv

Score

3^/10

discovery

Malware Config

Signatures

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 3 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 2228	4804	rundll32.exe	81
PID 4804 wrote to memory of 2228	4804	rundll32.exe	81
PID 4804 wrote to memory of 2228	4804	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\avformat-53.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\avformat-53.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228

Network

MITRE ATT&CK Enterprise v15

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/2228-3-0x0000000074D52000-0x0000000074E30000-memory.dmp

Filesize
888KB

Download
memory/2228-22-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-16-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-32-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-31-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-37-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-46-0x0000000074F40000-0x0000000074F73000-memory.dmp

Filesize
204KB

Download
memory/2228-45-0x0000000074F40000-0x0000000074F73000-memory.dmp

Filesize
204KB

Download
memory/2228-44-0x0000000074F40000-0x0000000074F73000-memory.dmp

Filesize
204KB

Download
memory/2228-43-0x0000000074F40000-0x0000000074F73000-memory.dmp

Filesize
204KB

Download
memory/2228-42-0x0000000074F40000-0x0000000074F73000-memory.dmp

Filesize
204KB

Download
memory/2228-41-0x0000000074F40000-0x0000000074F73000-memory.dmp

Filesize
204KB

Download
memory/2228-40-0x0000000074F40000-0x0000000074F73000-memory.dmp

Filesize
204KB

Download
memory/2228-39-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-38-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-36-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-35-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-33-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-34-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-30-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-27-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-28-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-26-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-25-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-24-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-21-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-20-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-19-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-18-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-15-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-14-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-12-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-13-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-11-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-10-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-7-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-0-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-6-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-8-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-5-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-4-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download
memory/2228-1-0x0000000074D50000-0x0000000074F02000-memory.dmp

Filesize
1.7MB

Download