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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 23:34

General

  • Target

    67a7e6ad2fc9257dc69883fcc0db82a0_NEIKI.exe

  • Size

    3.0MB

  • MD5

    67a7e6ad2fc9257dc69883fcc0db82a0

  • SHA1

    b0814478ce7a05d003b6c062fa41c0654cb35d8b

  • SHA256

    6ed13cd098496ed202cdbb34f3aef62247b88847ef43d444ec0336c4be03a98b

  • SHA512

    f50a3bb574000c30cce4f813eea335bbd647cb79402898ddcc3cc2dc81e172a29c5784cd7380d4525b1dc605f548211628e9988c4239917e4d6120be2ebde09e

  • SSDEEP

    49152:sxX7665YxRVplZzSKntlGIiT+HvRdpcAHSjpjK3LBtB/bSqz8:sxX7QnxrloE5dpUpibVz8

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\67a7e6ad2fc9257dc69883fcc0db82a0_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\67a7e6ad2fc9257dc69883fcc0db82a0_NEIKI.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevopti.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevopti.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1020
    • C:\IntelprocPC\devdobloc.exe
      C:\IntelprocPC\devdobloc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\IntelprocPC\devdobloc.exe

    Filesize

    3.0MB

    MD5

    a4c6e0bde0d61cbe81ec2c9bf72034bd

    SHA1

    1b3131f71a4d31806aca059f56c16a3cb407ad88

    SHA256

    257815b83d0c0bdaeec274e7cb4333ca0efe498f390acecc52732773bdfe94b3

    SHA512

    89c69e2761e466292f2de5c4f2cfc4e4e17d1bdcccf9f9eb0e3562c71899133697a4efcd831fa4b704229c72f22d17fc697ca6fda0af522db61fd19039c385cc

  • C:\MintXJ\dobasys.exe

    Filesize

    1.8MB

    MD5

    826452da44a95025aa128be9a80022a9

    SHA1

    ceeb444ba7e2a0cc8ae790f266db5a981629d0f4

    SHA256

    5ae5abcfef02c5c262e2ea4a2f941d7c6dccf08d7b0de495b8f64623cdae8ff0

    SHA512

    5fe6e205a9a48b72af3ad397cef59c7de47ffce82f65bc8c18226963653ef442307bae1e4b51a02251af59c5cb08b659d3537a0ad32ee98c3451329f677112c8

  • C:\MintXJ\dobasys.exe

    Filesize

    129KB

    MD5

    6753d9f85c40da2d9d1d36dcb5f2192e

    SHA1

    7506c69437a5b65d937a62e0f8e4179aaf814e08

    SHA256

    fa8d611e14e54215cb9540380976decfd780b962a67a6b84d4f197136601aea9

    SHA512

    de0eb48a4791799d0d0d4dbc1e8b3832df5e93f99b641a05086d65b72477898e6018a0172fbf30a7dec87e675550dae409133e4332589b3b9efffd5b0c01c2b4

  • C:\Users\Admin\253086396416_10.0_Admin.ini

    Filesize

    209B

    MD5

    6718afb803b717e51be47c47abc05859

    SHA1

    b9ea2c3dd79ce3198ac9e1b57c2f02837383d2d3

    SHA256

    2bed8418f7ef19a351a84aae5f278ab07ec098500500a408a1ae0599b895c463

    SHA512

    2e37c659c6b1c1c0dc0ebd8e274b0d9a68df2460680cf871c2de5d7feb72d32aff178a241d430baca8f60861ff060f10b29b65cc66344f0077dcaf34c1764a26

  • C:\Users\Admin\253086396416_10.0_Admin.ini

    Filesize

    177B

    MD5

    94e55d35a6c7de8363c3e30c7d1886c4

    SHA1

    fc107694a277881faff7288006ef073af325ed46

    SHA256

    4616fb104b50aea4cf38a98004be05aea2851543da9a1d46225d1e0e87e7379a

    SHA512

    17d2a7674d8236f6450d0e932349b019adf94f4b31ad1112f67e506aee0de21e27c1321a33591f9691d9edb70edaa092ff7ba735a97750063cb5ae0f74311a87

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sysdevopti.exe

    Filesize

    3.0MB

    MD5

    b16f29740d7422b1bee10414b680611d

    SHA1

    270c07678277c8584572ec2776eadaaa58c1af8c

    SHA256

    8770898fc05c67f390666cc8b3c000fe97f005f970e9babd57fcaccfccac5ce0

    SHA512

    84fd23f075d5585bc690742479cbfac348d246e47a78cf130e590ee8ba92e7ff38d17161494481ed40c2ee597f2970ae8e3b87b4e847d8b42f2cbeda0b55365e