2a86f2659501ad72546d1b730f886a2846cf253cb869980a18dbe3a3f347a3f6

Analysis

max time kernel
73s
max time network
77s
platform
windows10-1703_x64
resource
win10-20230915-en
resource tags

arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
submitted
01/10/2023, 17:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

Fluxus/bin/FluxusAuth.dll
Size

4.3MB
MD5

8b7c95c980646614b4fd21414e489be7
SHA1

19c4cfeb0a5c4d2d305022bb34e817d63c6d5f25
SHA256

9f766783ca687dc5b7718350b673bc895cb9b0eb7e9185ea0b8044867c2bbbfe
SHA512

8027b1036c6ccd18b5f51e95a5ab687c65766cf63d1e619da9c91dca16dbdc68b2d85acde13955f600d0a32a914b4fdb76912e7b1c00a10327835ad6882c402a
SSDEEP

98304:jGHNrbValGSewGA1xJ6/ElY5i29bPNrh8s2iiDcAunb:j0klGSewv1X6/EQi2j8Fy

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 3 IoCs

flow	pid	Process
2	2088	rundll32.exe
16	2088	rundll32.exe
21	2088	rundll32.exe

Downloads MZ/PE file

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4544	2088	WerFault.exe	69

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key created	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 2088	4036	rundll32.exe	69
PID 4036 wrote to memory of 2088	4036	rundll32.exe	69
PID 4036 wrote to memory of 2088	4036	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Fluxus\bin\FluxusAuth.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Fluxus\bin\FluxusAuth.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Enumerates system info in registry
  PID:2088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 900
    3⤵
    - Program crash
    PID:4544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2088-0-0x0000000073D60000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download