a7d2ea641dbc8e50000e6b42c9cca200fa25d5e37ddd1857eb489795ab5564ee | Triage

Analysis

max time kernel
134s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 13:35

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

55a26d7800446f1373056064c64c3ce8
SHA1

80256857e9a0a9c8897923b717f3435295a76002
SHA256

904fd5481d72f4e03b01a455f848dedd095d0fb17e33608e0d849f5196fb6ff8
SHA512

04b8ab7a85c26f188c0a06f524488d6f2ac2884bf107c860c82e94ae12c3859f825133d78338fd2b594dfc48f7dc9888ae76fee786c6252a5c77c88755128a5b
SSDEEP

192:MPtkumJX7zBE2kGwfy9S9VkPsFQ1Mx1c:97O2k5q9wA1Mxa

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4692 1900 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3048 wrote to memory of 1900	3048	rundll32.exe	rundll32.exe
PID 3048 wrote to memory of 1900	3048	rundll32.exe	rundll32.exe
PID 3048 wrote to memory of 1900	3048	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3048

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
PID:1900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 612
3⤵
- Program crash
PID:4692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1900 -ip 1900
1⤵
PID:3496

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 --field-trial-handle=4288,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=3856 /prefetch:8
1⤵
PID:3576

Network

MITRE ATT&CK Matrix

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