b5f4e7ec79aa3fe48372bb5e6d8f644151f2e6accad3989d3f4afe5e6207f92a | Triage

Analysis

max time kernel
130s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-05-2024 14:51

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General

Target

Osiris.dll
Size

880KB
MD5

408c914179f4586d4c55a5ac800fd69e
SHA1

dfd404d26e7f0888a35b1e1aa9f833fa79d5f4b0
SHA256

b7899e5756f06eadf3a68ebc09851c2c07c6bf2a9dc34062b5aa5b698f06c6db
SHA512

31e6f9d2859ec76c28e38e5ca2e482c6adcc3c2fce69d313eb8df8ebba9e0a140b67e6abbc5497fec2140fc0516028b6c363134f925148daf7bcad922e08a937
SSDEEP

24576:EolrT6WosGuYA9aa1z7k4n/Hok23A1OO:Xrd1zTnQ3AP

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1992	6084	WerFault.exe	83

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 6084	1336	rundll32.exe	83
PID 1336 wrote to memory of 6084	1336	rundll32.exe	83
PID 1336 wrote to memory of 6084	1336	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Osiris.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Osiris.dll,#1
  2⤵
  PID:6084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 6084 -s 840
    3⤵
    - Program crash
    PID:1992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 6084 -ip 6084
1⤵
PID:5368

Network

MITRE ATT&CK Matrix

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Downloads

memory/6084-0-0x0000000074CF0000-0x0000000074DD2000-memory.dmp

Filesize
904KB

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