Analysis

  • max time kernel
    143s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 23:52

General

  • Target

    6a39f101f52c356cc286ff2534317ea7b99571c7a5202a4a7da0217697a0788d.dll

  • Size

    714KB

  • MD5

    972f43aeaacb87a5ff3065792036f81f

  • SHA1

    1d53f39a0e78ba39db3f49f13e48c82672d64d67

  • SHA256

    6a39f101f52c356cc286ff2534317ea7b99571c7a5202a4a7da0217697a0788d

  • SHA512

    7cca3719018ef1fcd8007b0803a91d574170ad2b0e133540cfc63596f02fc33dc208744ec2a87df197caa5a0f040a0c6c4d58df1ebbc31082ab11aa53ca4d6a3

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYk:o6RI1Fo/wT3cJYYYYYYYYYYYYk

Score
10/10

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a39f101f52c356cc286ff2534317ea7b99571c7a5202a4a7da0217697a0788d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a39f101f52c356cc286ff2534317ea7b99571c7a5202a4a7da0217697a0788d.dll,#1
      2⤵
        PID:4660
    • 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=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:832

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads