899f331ee30f147e463b00aca170f105c155d5bb4fe7136aa1a96c123d0a520f

Analysis

max time kernel
118s
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/swresample-ttv-0.dll
Size

110KB
MD5

9c65b8184de66324253eaf12e27d2a21
SHA1

9777edd460c2a6ad83fa6d50de9f813ec273a78e
SHA256

43920d7b7b06ccea9a23b614ea6cfd399a4d4f8117097c2052913d4eb6ecdd2e
SHA512

1a459c71c03f3f9d5171b5e9940f97a89f1bdb4c38b7a9e43526a281e9948319c74beaa7d49c661f241e1b2f215083d964aedf705603f2fcdf7033ce2dd4d77b
SSDEEP

1536:CQDMXepbfzx+HqePTqAhC1BiGgWfK0aVQpunt6PvYi+9M6AB:CYMXepR+HqePTegWy0aVftUoMr

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	2032	WerFault.exe	31

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 2276 wrote to memory of 2032	2276	rundll32.exe	31
PID 2276 wrote to memory of 2032	2276	rundll32.exe	31
PID 2276 wrote to memory of 2032	2276	rundll32.exe	31
PID 2276 wrote to memory of 2032	2276	rundll32.exe	31
PID 2276 wrote to memory of 2032	2276	rundll32.exe	31
PID 2276 wrote to memory of 2032	2276	rundll32.exe	31
PID 2276 wrote to memory of 2032	2276	rundll32.exe	31
PID 2032 wrote to memory of 2316	2032	rundll32.exe	32
PID 2032 wrote to memory of 2316	2032	rundll32.exe	32
PID 2032 wrote to memory of 2316	2032	rundll32.exe	32
PID 2032 wrote to memory of 2316	2032	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Flux B14\natives\swresample-ttv-0.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Flux B14\natives\swresample-ttv-0.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 224
    3⤵
    - Program crash
    PID:2316

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/2032-0-0x0000000065980000-0x000000006599D000-memory.dmp

Filesize
116KB

Download
memory/2032-1-0x0000000070A40000-0x0000000070A7A000-memory.dmp

Filesize
232KB

Download