699ebcd7261ee4d77703e40c5516f33e1a1df5d55b211c864abb86b74b52ad95 | Triage

Analysis

max time kernel
125s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 22:19

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General

Target

krnl.dll
Size

1.1MB
MD5

94b8c1ee2252d07be68a8a154f1be59b
SHA1

c8f528fd409b54006c6ecd4bd0be0fe3209faa54
SHA256

f002b087f08dac8873e91f04cd23f675c5a8666e70a6032afe7e582b3ac1b551
SHA512

4f265e0f3f883e406299f994ed5f08bfb93ad154ae645791cb5668aac211f922660decf1836904928815a859e215e1c312ecda381fe986888e31fe1182ad75b9
SSDEEP

24576:XV3M3R/Wa288SakvW8P3GY6j5O5YKS+5pV3Munt:l3MVWa28lvuYsO5YKX5H3MSt

Score

7^/10

vmprotect

Malware Config

Signatures

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

resource	yara_rule
behavioral8/memory/2040-0-0x0000000074E50000-0x000000007501A000-memory.dmp	vmprotect
behavioral8/memory/2040-1-0x0000000074E50000-0x000000007501A000-memory.dmp	vmprotect

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1516	2040	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 2040	4400	rundll32.exe	89
PID 4400 wrote to memory of 2040	4400	rundll32.exe	89
PID 4400 wrote to memory of 2040	4400	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\krnl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\krnl.dll,#1
  2⤵
  PID:2040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 572
    3⤵
    - Program crash
    PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2040 -ip 2040
1⤵
PID:2500

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=4064,i,3595107284059830391,18018199024659337217,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8
1⤵
PID:3032

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2040-0-0x0000000074E50000-0x000000007501A000-memory.dmp

Filesize
1.8MB

Download
memory/2040-1-0x0000000074E50000-0x000000007501A000-memory.dmp

Filesize
1.8MB

Download
memory/2040-3-0x0000000074E50000-0x0000000074E5F000-memory.dmp

Filesize
60KB

Download