66e9f4d03e67dbcbd9d3a13bfc45b2c11e712b677e990e8ea1b405b60a3a40b2 | Triage

Analysis

max time kernel
1792s
max time network
1802s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 09:34

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

15KB
MD5

89351a0a6a89519c86c5531e20dab9ea
SHA1

9e801aaaae9e70d8f7fc52f6f12cedc55e4c8a00
SHA256

f530069ef87a1c163c4fd63a3d5b053420ce3d7a98739c70211b4a99f90d6277
SHA512

13168fa828b581383e5f64d3b54be357e98d2eb9362b45685e7426ffc2f0696ab432cc8a3f374ce8abd03c096f1662d954877afa886fc4aa74709e6044b75c08
SSDEEP

384:/MnT0MKT/Xwr2izZQ86mpAT8F9lN8Ov0J:EQMKzwTFnVX8i0

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2964	544	WerFault.exe	94

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 544	3256	rundll32.exe	94
PID 3256 wrote to memory of 544	3256	rundll32.exe	94
PID 3256 wrote to memory of 544	3256	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  PID:544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 636
    3⤵
    - Program crash
    PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 544 -ip 544
1⤵
PID:4388

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=1876 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:3332

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=3940 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:368

Network

MITRE ATT&CK Matrix

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