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Analysis

  • max time kernel
    96s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 20:08

General

  • Target

    3a4509b9b97b571c302edcb211b38fbf.exe

  • Size

    144KB

  • MD5

    3a4509b9b97b571c302edcb211b38fbf

  • SHA1

    186967981ddf2c93287a8b834027974ab146caf4

  • SHA256

    5adbd37afeff1028ecea8a71ca31464461304d33f1220b80d99632c5a4453f91

  • SHA512

    6862861210bedd986f1d77e03bd4afad29a930ec2bd9f7bb1178ca509afa2eb4d0bcb8407305ab6b574f48c6dd7fae10b4b1b2e9bbc94c05d3b06ff826ca0cec

  • SSDEEP

    1536:RwkqP1/1yo0Wnchx/X+07DDpFlgYrhp7gX4XFv3AVrlFIS39/oLa:RvqPx1CmchE0PDvhp7i4VvQvFX39/b

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe
    "C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe
      "C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe"
      2⤵
      • Drops file in Drivers directory
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Windows\sdel.bat" "C:\Users\Admin\AppData\Local\Temp\3a4509b9b97b571c302edcb211b38fbf.exe""
        3⤵
          PID:1328

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\sdel.bat

      Filesize

      87B

      MD5

      c422f73e563f284c81c1a23aff9e3d57

      SHA1

      40a866138213d046c7982e2eef29349457ba0d76

      SHA256

      735faf8fc874f00472cbb0abc08cb86390d44c737e77558c2b93bfeefc2c4d16

      SHA512

      355fab1efd9f78ee8f8f9260c80634493fc7b4b2fcefa71bcb938ec89cb788b52ad2ffe3a24d0aa18af00db29102d365859c0635524ebc87638bda3f05b8444a

    • memory/2836-1-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2836-4-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2836-11-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/4884-0-0x0000000000400000-0x00000000004283A0-memory.dmp

      Filesize

      160KB

    • memory/4884-2-0x0000000000400000-0x00000000004283A0-memory.dmp

      Filesize

      160KB