Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 12:37

General

  • Target

    1ef68528cf6978f1e3b845d1e37e5554.exe

  • Size

    385KB

  • MD5

    1ef68528cf6978f1e3b845d1e37e5554

  • SHA1

    e370d51a3cb36039cb072f21f8451b4f00ccf0cc

  • SHA256

    143e68324e015b828b1f9c9585edd26e744c7b36b134a45e0256cb05bf135bbf

  • SHA512

    be9e2a267bb960f241018553e5921d69369cbd3a65cc83dfdf7f4be3b3d774978f1eba7ca5a6738604cc8db684bec98a78868daca8923dfdd4a55c09b5e16c84

  • SSDEEP

    6144:GZ/Hs8pZgUsmhBP+hXmIgcOPZnFvpwlWPw2wAx/GlNvB:GZ/Hs8pZgUdvP+YIbOPZnZpwuoMGfB

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ef68528cf6978f1e3b845d1e37e5554.exe
    "C:\Users\Admin\AppData\Local\Temp\1ef68528cf6978f1e3b845d1e37e5554.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Users\Admin\AppData\Local\Temp\1ef68528cf6978f1e3b845d1e37e5554.exe
      C:\Users\Admin\AppData\Local\Temp\1ef68528cf6978f1e3b845d1e37e5554.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab800B.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar806B.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\1ef68528cf6978f1e3b845d1e37e5554.exe

    Filesize

    385KB

    MD5

    e9ef11fec8dc22eb247aaf613da5d200

    SHA1

    900874e31473543aa62d6504370b43064bc27529

    SHA256

    c94e274b8703b736e738fe03a9c3c0ab948f1c761b15d5f0952df2892b5dbd95

    SHA512

    a1cce049862fb09277b6100d9a07b9069be35131c28bea9ce6bb45d20a50e3793985f03e0158ef51f4a27cbee883da49481e4ce223b730b38a5ac7601fa923ce

  • memory/1728-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1728-12-0x00000000002D0000-0x0000000000336000-memory.dmp

    Filesize

    408KB

  • memory/1728-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1728-2-0x0000000000190000-0x00000000001F6000-memory.dmp

    Filesize

    408KB

  • memory/1728-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2220-18-0x0000000000320000-0x0000000000386000-memory.dmp

    Filesize

    408KB

  • memory/2220-22-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2220-25-0x0000000002D60000-0x0000000002DBF000-memory.dmp

    Filesize

    380KB

  • memory/2220-81-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2220-76-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2220-82-0x000000000FA70000-0x000000000FAAC000-memory.dmp

    Filesize

    240KB

  • memory/2220-83-0x000000000FA70000-0x000000000FAAC000-memory.dmp

    Filesize

    240KB