Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 18:33

General

  • Target

    19.10.2022-21.10.2022 Ekstre.exe

  • Size

    254KB

  • MD5

    acb287f5d33a3bec62620ef511cd3e6a

  • SHA1

    975cec902942585321f353e27d41f7dc4bf5b1f5

  • SHA256

    622fcde32b89e9dce35b3513aec205891045470cb1111cf1c88f939cd10065fb

  • SHA512

    8041d5d84098881f1051b66322726ef79718334b766e062b139ed11cfdd622c1b498e110954cd56af74bdefda40b676afb496f4b2c3264dc44384fb64221d23e

  • SSDEEP

    6144:mbE/HUbHvDIgYx2yMlMdhpE63mj1CRK/dt1ImTXfGaW9:mb/HMylMdhnWj1C/WM9

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19.10.2022-21.10.2022 Ekstre.exe
    "C:\Users\Admin\AppData\Local\Temp\19.10.2022-21.10.2022 Ekstre.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Users\Admin\AppData\Local\Temp\oujsjnpvzn.exe
      "C:\Users\Admin\AppData\Local\Temp\oujsjnpvzn.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1104 -s 536
        3⤵
        • Program crash
        PID:1568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1104 -ip 1104
    1⤵
      PID:348

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\dgnetfwgwxi.n

      Filesize

      4KB

      MD5

      df0d19c758434ec79b2df3ed6b051a63

      SHA1

      46d2da8bfccfe08abe80ca3b061d8fb2dcceed69

      SHA256

      f4db6669e8ee95be76030c8bc895c8dd91897afe74af9a3c2a90dd098ede89ae

      SHA512

      7091c98f0b86e6db0640a7751778e283a523be1ad5e174c2a74ea4c92e4b92c4f042317c32fa751764ecca94a55dd097aa769aab563e4f9b4a13373e7fdbf5ee

    • C:\Users\Admin\AppData\Local\Temp\oujsjnpvzn.exe

      Filesize

      58KB

      MD5

      a53bf35dd3f2a0ece1babdf99d98ddb7

      SHA1

      866e4d1315486d4f792e03449def24bf48fba2f5

      SHA256

      f27f1c46335ed31550b8fd38781e85fd498edaf77ffc7fdea7b32f044c5cc26d

      SHA512

      f0ea778f032871260b891116e880c1814a7eeb512b4f649c8a3d355109aed9858128477a8d2c1d12dac5ace5be74879dfd590b9959c309ce67d1879828f679f2

    • C:\Users\Admin\AppData\Local\Temp\xpjzddy.csv

      Filesize

      185KB

      MD5

      a673c10951267a6553631dace3a24cfb

      SHA1

      07f38a7a0ea1c4677c62fb85e6fb758875c0089b

      SHA256

      4fe1118d5bcb9ae4cb1204f4d411e792516b48c341a65c7d7a7e742560e379f3

      SHA512

      c7035f44a84398ce2d2668322efc950a838daefb2ef2ce6b6b007470a7347ad0ac62e99883a090c7ef20d93fdf7ab6bcaa42bd19152068808b966bd92d6123cf

    • memory/1104-8-0x00000000012E0000-0x00000000012E2000-memory.dmp

      Filesize

      8KB