5e2b7ee91606a8a2327f731f4d863c505daa70a9eb10ca0700529f6aa4fd61a8

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01/08/2024, 21:33

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General

Target

acfpdf.dll
Size

236KB
MD5

a5c57933334d0e691a047f7c47b9ee04
SHA1

4d3499cb66cb3e24322d198ddba702a2cc8e8d7f
SHA256

f1968a64e536a5f08baca578863d79477bc178e6bc2d461c9ef28df3c987cd8b
SHA512

b2bbb2bd460a289e83e8d53034997b01c8170dc4793f4f02b261dc029a3b254525611d3a6b507b94212784824270f5a69976944199eeb095866f1600e472eb40
SSDEEP

3072:jE4vKHDkuRLqOFYkRX/Dq70u5LFnIoA4EGOfi6uJL0cV/MiAbEZTYY8IO0SM:jn0QWLldp2BZ0GO/uVXVMlbGYY8X0SM

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 5096 wrote to memory of 4512	5096	rundll32.exe	83
PID 5096 wrote to memory of 4512	5096	rundll32.exe	83
PID 5096 wrote to memory of 4512	5096	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acfpdf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\acfpdf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4512

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/4512-0-0x0000000000010000-0x0000000000036000-memory.dmp

Filesize
152KB

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