fd8321c346dc33cd24d7af22db750adc2f42d9c091b31a15587291dc086147fc

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/08/2026, 03:18

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General

Target
osu!auth.dll
Size 5.8MB
Sample260805-dtmlhaxclg
SHA256 fd8321c346dc33cd24d7af22db750adc2f42d9c091b31a15587291dc086147fc
MD5 e761006cb6e52f55aeec3a7e42a8f862
SHA1 5632e2befb927ac6345d45e1a11e66580f7143ca
SHA512 b024257f6df78217d5082aff13a375929622fdfb0887fd9e2189c935ee084b6804f61dd2c94cf15679861ef1aa7964689820ee63422fb2690f825f0ce8d6285b
SSDEEP 98304:aHzhWatNRzBdFpuoJrUV23MpgsL5HSpbr5N0H7244xSf7RIJAHK48l8nDBfy/NmV:atL3XdFPJri2cpZ5yp2Fj98qmUJ
TLSH
T1AE56BFA1360EE1FBD2690C759411C90FF13C27F257209787EAE8393CA9539C166B6BC6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1280	4944	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 1 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 4944	3036	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\osu!auth.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\osu!auth.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 1108
    3⤵
    - Program crash
    PID:1280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4944 -ip 4944
1⤵
PID:2140

Network

MITRE ATT&CK Enterprise v16

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/4944-0-0x00000000749B0000-0x0000000074F83000-memory.dmp

Download

memory/4944-1-0x00000000749B0000-0x0000000074F83000-memory.dmp