899f331ee30f147e463b00aca170f105c155d5bb4fe7136aa1a96c123d0a520f

Analysis

max time kernel
140s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 20:39

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General

Target

Flux B14/natives/twitchsdk.dll
Size

1.1MB
MD5

e48df0804e70ce357b31b3825f5e238e
SHA1

0035c49d3855ba095ee89cc88e322d9c32bcd3f7
SHA256

e0ad573ddba8d7c6fb30a7c3f6ea7858bb0bb3b7bc5a8c7e177c84e453ce282d
SHA512

40ba5430e97f71d8fdad860406dc2fce8236e50413af743e29fd41c5b5e2049fd7cbf3b69b67b7d81187e4203f8769f2e19ad6e3d6ef2d6d6ce2a72f63e5979d
SSDEEP

24576:eDIlM+NzMnoxdpXpz26C6ZZEmkvDR/Kzf:iop3EmkvlKz

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
872	1116	WerFault.exe	84

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 4528 wrote to memory of 1116	4528	rundll32.exe	84
PID 4528 wrote to memory of 1116	4528	rundll32.exe	84
PID 4528 wrote to memory of 1116	4528	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Flux B14\natives\twitchsdk.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Flux B14\natives\twitchsdk.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 652
    3⤵
    - Program crash
    PID:872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1116 -ip 1116
1⤵
PID:2684

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/1116-0-0x0000000065980000-0x000000006599D000-memory.dmp

Filesize
116KB

Download
memory/1116-1-0x000000006EB80000-0x000000006EC09000-memory.dmp

Filesize
548KB

Download
memory/1116-2-0x0000000070A40000-0x0000000070A7A000-memory.dmp

Filesize
232KB

Download