507641e3047216809af93a127af70a266e273cd95c1cfaa06605a753b9166388

Resubmissions

07-11-2024 21:24

241107-z8z12ayfnb 8

07-11-2024 21:23

241107-z8jdaa1pdl 6

07-11-2024 21:21

241107-z7ptnsyjdx 7

Analysis

max time kernel
1368s
max time network
1430s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
07-11-2024 21:21

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General

Target

Delta V3.61/bin/Fluxteam_net_API.dll
Size

6.2MB
MD5

cdf73079a63074805810016f13fbbfce
SHA1

f7ecbbd392820ea6fb8cbc72911325c440c0c271
SHA256

c1eb4052b0a9d672595be10d21ff60a79039c5842d8c98e837251a721549c60b
SHA512

2eb5a41dfe01d6b58aba5d27a4b359f8b6ea2b913e465ca839f09b3c334aabe550d4925a6e786540a5c28c9086ed97b2187722f3bf62c54ae92922550f5e36e9
SSDEEP

98304:ff0ldnefVuuvtLonWJ7gatg6QrkP6G9qvPpZDI0evx+AquS/gdV7Wme+OEDl:kH6tvP613pZkvquddNLhOW

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 behavior: EnumeratesProcesses 4 IoCs

pid	Process
4456	rundll32.exe
4456	rundll32.exe
4456	rundll32.exe
4456	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 4456	4808	rundll32.exe	82
PID 4808 wrote to memory of 4456	4808	rundll32.exe	82
PID 4808 wrote to memory of 4456	4808	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Delta V3.61\bin\Fluxteam_net_API.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Delta V3.61\bin\Fluxteam_net_API.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4456

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/4456-2-0x0000000074A70000-0x00000000753F8000-memory.dmp

Filesize
9.5MB

Download
memory/4456-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/4456-3-0x0000000074A70000-0x00000000753F8000-memory.dmp

Filesize
9.5MB

Download
memory/4456-0-0x0000000074A76000-0x0000000074DCA000-memory.dmp

Filesize
3.3MB

Download
memory/4456-4-0x0000000074A70000-0x00000000753F8000-memory.dmp

Filesize
9.5MB

Download