fcadf0a0a2c90421f3b2b67f4649eabec2d0c8d4dda9127c7621de4ae052f09d | Triage

Analysis

max time kernel
155s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22-04-2024 02:06

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General

Target

FatOperate.dll
Size

129KB
MD5

a04f4e944d2e981a206d6a8efacb2698
SHA1

32e63644ddd6f7beec3f68b103a0b2e7e3498f7b
SHA256

c0640853c3ddbc569a6a334608614fb4613706afd6bbe1b32a18fabbf616336b
SHA512

8826b6d8139c320cc41c90cc8f781f652efa87334e85ad6077a1fff67f65d43ee6353e8d2f8ddc45c32798d57ab52bd1e8cd496d106e22070becd26429724365
SSDEEP

1536:oTg8mPw8d4SLbmRPt4Ntxn4tBTjzHS9rck5QyuIoaGsS5yBDn:oU82gkbjLprzuIoaGsSoBz

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1124 4196 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4192 wrote to memory of 4196	4192	rundll32.exe	rundll32.exe
PID 4192 wrote to memory of 4196	4192	rundll32.exe	rundll32.exe
PID 4192 wrote to memory of 4196	4192	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FatOperate.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4192

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\FatOperate.dll,#1
2⤵
PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 604
3⤵
- Program crash
PID:1124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4196 -ip 4196
1⤵
PID:4796

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=3684 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:3648

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4196-1-0x0000000000CC0000-0x0000000000CD6000-memory.dmp

Filesize
88KB

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memory/4196-0-0x0000000000C10000-0x0000000000C39000-memory.dmp

Filesize
164KB

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