899f331ee30f147e463b00aca170f105c155d5bb4fe7136aa1a96c123d0a520f

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 20:39

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General

Target

Flux B14/natives/libmp3lame-ttv.dll
Size

385KB
MD5

c46dc87cc8a8c039eee8fcab5546e92f
SHA1

fdbcf56ebcd8f7ab65ab4b2d68d4cd0103967274
SHA256

eca35fb48a83a4566f84df8dfa4667e36bd25d6074751dc2b289ab71b48fc7ef
SHA512

46593b8e1972d7a33edbf72809e7f39439211ebc40ea0f53337900e8e8b2441a28d6aa7c888720745d5a4fc46a22d04a83d9c882c5583b5c0df67a2afe05e58d
SSDEEP

6144:Yh4dNnIKRNAAwRXpoi7XOGIDy6yF9iPvctwxxaNaXNvR4:c49RNANRXpoibOGIm6yAcKvaN+tR4

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2720	2936	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2936	2192	rundll32.exe	30
PID 2192 wrote to memory of 2936	2192	rundll32.exe	30
PID 2192 wrote to memory of 2936	2192	rundll32.exe	30
PID 2192 wrote to memory of 2936	2192	rundll32.exe	30
PID 2192 wrote to memory of 2936	2192	rundll32.exe	30
PID 2192 wrote to memory of 2936	2192	rundll32.exe	30
PID 2192 wrote to memory of 2936	2192	rundll32.exe	30
PID 2936 wrote to memory of 2720	2936	rundll32.exe	31
PID 2936 wrote to memory of 2720	2936	rundll32.exe	31
PID 2936 wrote to memory of 2720	2936	rundll32.exe	31
PID 2936 wrote to memory of 2720	2936	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Flux B14\natives\libmp3lame-ttv.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Flux B14\natives\libmp3lame-ttv.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 224
    3⤵
    - Program crash
    PID:2720

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/2936-0-0x000000006EB80000-0x000000006EC09000-memory.dmp

Filesize
548KB

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