Analysis

  • max time kernel
    51s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 15:06

General

  • Target

    1a1ee0cb123de2f7837dc8c40925915e073308580eee1801246275413faf23ad.exe

  • Size

    30KB

  • MD5

    4aa700997c74c883205264f8486f39b0

  • SHA1

    ab705bebb151a6df5824cbfcd7d9eb480e3e124d

  • SHA256

    1a1ee0cb123de2f7837dc8c40925915e073308580eee1801246275413faf23ad

  • SHA512

    610099a2fb90d039576caf9f57c7da35066864f7025799952fc44ae4b2657d76ce4c627550c225260f2ce8660fd517c07f82885c8bde650dabd9f5f60e47abd5

  • SSDEEP

    384:pAcTAjVwMatOwS58YwWdFeaeohweCvklV4Viq1cKqkI:pZTAa/OZj74FrI

Score
8/10

Malware Config

Signatures

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

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a1ee0cb123de2f7837dc8c40925915e073308580eee1801246275413faf23ad.exe
    "C:\Users\Admin\AppData\Local\Temp\1a1ee0cb123de2f7837dc8c40925915e073308580eee1801246275413faf23ad.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\budha.exe
      "C:\Users\Admin\AppData\Local\Temp\budha.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:616

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    30KB

    MD5

    c113b8866cfa599d9b271a6942fd5770

    SHA1

    ec8193677922a425e49c29743c125566cafb4728

    SHA256

    48ca98ff3941c47afc0440c83e7ceed9bd0b16191296c1e676a73a7570d49002

    SHA512

    cbe5fc0316ccc485bdd2d556efed0d7663e5614cceba29f1248fe208c1a4cd99a2644fd74d8bf8adda8f9f69b44d4babd7a66e6e9c96d2efe3f8734dce996f48

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

    Filesize

    30KB

    MD5

    c113b8866cfa599d9b271a6942fd5770

    SHA1

    ec8193677922a425e49c29743c125566cafb4728

    SHA256

    48ca98ff3941c47afc0440c83e7ceed9bd0b16191296c1e676a73a7570d49002

    SHA512

    cbe5fc0316ccc485bdd2d556efed0d7663e5614cceba29f1248fe208c1a4cd99a2644fd74d8bf8adda8f9f69b44d4babd7a66e6e9c96d2efe3f8734dce996f48

  • \Users\Admin\AppData\Local\Temp\budha.exe

    Filesize

    30KB

    MD5

    c113b8866cfa599d9b271a6942fd5770

    SHA1

    ec8193677922a425e49c29743c125566cafb4728

    SHA256

    48ca98ff3941c47afc0440c83e7ceed9bd0b16191296c1e676a73a7570d49002

    SHA512

    cbe5fc0316ccc485bdd2d556efed0d7663e5614cceba29f1248fe208c1a4cd99a2644fd74d8bf8adda8f9f69b44d4babd7a66e6e9c96d2efe3f8734dce996f48

  • memory/616-58-0x0000000000000000-mapping.dmp

  • memory/616-63-0x00000000004C0000-0x00000000004C7000-memory.dmp

    Filesize

    28KB

  • memory/616-64-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2036-54-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/2036-55-0x0000000076151000-0x0000000076153000-memory.dmp

    Filesize

    8KB

  • memory/2036-56-0x00000000004E0000-0x00000000004E7000-memory.dmp

    Filesize

    28KB

  • memory/2036-60-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB