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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    27/08/2023, 20:48

General

  • Target

    99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe

  • Size

    25KB

  • MD5

    128339ccdffd5f13b5f2b504459cd47e

  • SHA1

    19ade7065e098d044315d69816d5ee90bc55acca

  • SHA256

    99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363

  • SHA512

    073f5d3e1a9cc0d7757e5a8f094bc6a1230d66787a940d219dda231fde1ae64e308b9ecb5395124877668cdca9164f77878f9a1409f2db3d69d2870bf301476a

  • SSDEEP

    384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvN0m:8Q3LotOPNSQVwVVxGKEvKHrV+m

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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe
    "C:\Users\Admin\AppData\Local\Temp\99eefafcf5119e40e6c9e5b50d6991b3c2658bb487f1e65f0009d35360d06363.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2532
    • 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:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\xTeIAUN2d6FICqE.exe

    Filesize

    25KB

    MD5

    09dc649baf6695b143dfd2e6886c2d9b

    SHA1

    72c2917f0ba11b1e2c41c2f7dd58bdc5e53bb947

    SHA256

    8da89c33ee4de5e94c1fb9e972974e145f960bd522df3138ea81770e4d0aca46

    SHA512

    d941ec6df6db45f2b45ede0ec53b81dc30e81ab434d0e9ceec0aadb59e269688f51d85117a01edc35bd63dae00fd4c11e9495af5cbde4342769354621ca9bc66

  • C:\Users\Admin\AppData\Local\Temp\xTeIAUN2d6FICqE.exe

    Filesize

    25KB

    MD5

    09dc649baf6695b143dfd2e6886c2d9b

    SHA1

    72c2917f0ba11b1e2c41c2f7dd58bdc5e53bb947

    SHA256

    8da89c33ee4de5e94c1fb9e972974e145f960bd522df3138ea81770e4d0aca46

    SHA512

    d941ec6df6db45f2b45ede0ec53b81dc30e81ab434d0e9ceec0aadb59e269688f51d85117a01edc35bd63dae00fd4c11e9495af5cbde4342769354621ca9bc66

  • 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