a00efafb9deb99a99bfdd34f55818983e9cc675d1cac6b71b9fec4b0bea1aa56 | Triage

Analysis

max time kernel
137s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 08:22

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General

Target

CoralDownload.dll
Size

294KB
MD5

6973407fda8c04e298013976ed07eb88
SHA1

fdc718fac0f1e122083f75771bffc32da90a8d38
SHA256

5c53566c36ae2d03aec24711ea33dba5d60f8943306a70a15c52836ab99545f0
SHA512

2e4af02cd94d72934c66e919d7f023b483491edafedbe0d59cd1118d098cd9e51bd07d7fe37f9d27955ee1a94bbe891b8037376c83705d33f47bca20a061ec80
SSDEEP

6144:xCWOzeJPd9gBXI7ne1K5ioaxNele6HGiLmG1zPwYaCOAntYm8iPgf:cWOFBX8ne1qDHGi6G1rwlCl8ogf

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2572	2344	WerFault.exe	91

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 2344	4456	rundll32.exe	91
PID 4456 wrote to memory of 2344	4456	rundll32.exe	91
PID 4456 wrote to memory of 2344	4456	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CoralDownload.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CoralDownload.dll,#1
  2⤵
  PID:2344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 716
    3⤵
    - Program crash
    PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2344 -ip 2344
1⤵
PID:4028

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1040 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:1824

Network

MITRE ATT&CK Matrix

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