88feaa6acdfd75de35b39c26b4f772f9f136ec0b9db74a3c7f4045653bda463b | Triage

Analysis

max time kernel
233s
max time network
257s
platform
windows10-2004_x64
resource
win10v2004-20240704-es
resource tags

arch:x64arch:x86image:win10v2004-20240704-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
09/07/2024, 02:14

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General

Target

ExitLag/api-ms-win-core-synch-l1-1-0.dll
Size

13KB
MD5

4ea0733c5cca0acab3a4ddfc7061d76e
SHA1

0af742acec51aa7681e698e5db0216c858066516
SHA256

3a16d64596419dbac037ffb5c782e15fe69d8b803044e999120adcad6a8ea1ed
SHA512

6e4141cdade321db5bfaee0ea83ee5c2ed8e6fc70026db7c80781c6e6d7fa260123758adece649e67b7c577699d88ffc1049837d516ce736e8e0d0fc5c350245
SSDEEP

384:Zdv3V0dfpkXc0vVafW+NhW/DBRJJll7P6gs:Zdv3VqpkXc0vVa/Na1PB0

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4504	544	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 544	2824	rundll32.exe	90
PID 2824 wrote to memory of 544	2824	rundll32.exe	90
PID 2824 wrote to memory of 544	2824	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExitLag\api-ms-win-core-synch-l1-1-0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExitLag\api-ms-win-core-synch-l1-1-0.dll,#1
  2⤵
  PID:544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 600
    3⤵
    - Program crash
    PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 544 -ip 544
1⤵
PID:4644

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=es --service-sandbox-type=asset_store_service --field-trial-handle=4044,i,5165971981292662501,4665433932147064743,262144 --variations-seed-version --mojo-platform-channel-handle=1316 /prefetch:8
1⤵
PID:2848

Network

MITRE ATT&CK Matrix

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