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Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2023, 06:37

General

  • Target

    780c4a58cf5e190d56894608829eebbd549ed86b75f73bc721ca3f814b4b62fd.exe

  • Size

    25KB

  • MD5

    b8e96c5ff379af2aa1f48d7241395d72

  • SHA1

    4e0f1f6a29d1436a1ad95c23222cec5449893a29

  • SHA256

    780c4a58cf5e190d56894608829eebbd549ed86b75f73bc721ca3f814b4b62fd

  • SHA512

    48cbaf363c0f9eb2d35941048d96317077e5e302cf4be2d6d31ecd47f7ee802651bc200750c5866e82523c6bde1fd0092abcf9b24452ac63c21d5c099648e0c0

  • SSDEEP

    384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvQ5Xr:8Q3LotOPNSQVwVVxGKEvKHrVQ5Xr

Malware Config

Signatures

  • Executes dropped EXE 1 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
  • Drops file in Windows directory 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\780c4a58cf5e190d56894608829eebbd549ed86b75f73bc721ca3f814b4b62fd.exe
    "C:\Users\Admin\AppData\Local\Temp\780c4a58cf5e190d56894608829eebbd549ed86b75f73bc721ca3f814b4b62fd.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\spoolsv.exe
      "C:\Windows\spoolsv.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      PID:1080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\msoia.exe_Rules.xml

    Filesize

    26KB

    MD5

    c7d1ce0a43b9fde5a050bbbc0b401aa5

    SHA1

    ea7fc4781c4c857c830115b3e6387b443a0f2466

    SHA256

    347b9245ed590a3fba2bd9362a31cc8342e67a231219a614337a3a53d27fb711

    SHA512

    3872eb9d194838e59a6efe006d39166ea7d0ff3e26317add65c483276d6f24e0e4a69e2fac71616284f6a41905933d9c867fa026feb73f4ca30ff60db8b681a6

  • C:\Users\Admin\AppData\Local\Temp\rEEirsApSD66rLy.exe

    Filesize

    25KB

    MD5

    9b8be1ce9a7672dc7ee5f73b69c35fcb

    SHA1

    10c2e962288df6eb0decac52ccc11e47654fec80

    SHA256

    07e6b56a227ef98751df23c8e4e4dbc889a78ebb9817777f8cad1b6efbdbfb0b

    SHA512

    d0862d5b9fbf5f6491476d79de48bdc320bb98218aaca784c1cb9d5adebeb714086555cb70df0c15850dc6f7eb6024d66c132635b5f88492e7d37514a8112749

  • C:\Windows\spoolsv.exe

    Filesize

    25KB

    MD5

    82071fd2379c64429acf376487fcddff

    SHA1

    2da42c7eaa62ecee65757b441c939f12b52228fb

    SHA256

    272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

    SHA512

    194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb

  • C:\Windows\spoolsv.exe

    Filesize

    25KB

    MD5

    82071fd2379c64429acf376487fcddff

    SHA1

    2da42c7eaa62ecee65757b441c939f12b52228fb

    SHA256

    272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8

    SHA512

    194bdbdf624ec425a095a44116032687c46b3e2370f3c436e2d5516dcc778824ff57fa69edfacb42e5e76e05894eb0a40acf32dcee3b80ba397f823ec82b6adb