f9e41fe0854e1d2cba512b09924e117b044f23232e621b02e762a0988b044636 | Triage

Analysis

max time kernel
143s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 03:07

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General

Target

$PLUGINSDIR/newadvsplash.dll
Size

6KB
MD5

5100e2f48ba0703991a622f5055a7257
SHA1

8932b3a37ec8200f0e3bc6752f7edb538921eab8
SHA256

bb2f5240aaae2c339c8857e061f9a5057c79b35384a903b6b7be6845ee1db038
SHA512

4f4939eae24a330051c3163509010cc6d0c5ed51a31c41d6bc2a10dae9ea1d0c890b31d42742b45f79c29707d7ba1dea7f60cf25957d205170b83b151ca555ac
SSDEEP

96:viFeZ6F0nLwzgAGDeYTpMkQYmBXRrHOU2cHkd:viF06QpAbYTpnQYmBXRr72c

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral12/memory/1464-0-0x0000000010000000-0x0000000010008000-memory.dmp	upx

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1464	1104	rundll32.exe	94
PID 1104 wrote to memory of 1464	1104	rundll32.exe	94
PID 1104 wrote to memory of 1464	1104	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\newadvsplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\newadvsplash.dll,#1
  2⤵
  PID:1464

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=3244 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:8
1⤵
PID:2312

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1464-0-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

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