Analysis

  • max time kernel
    56s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 16:42

General

  • Target

    430460232f614fce233962cd51b0834b04f2a08b97050dde736e7173c81b0cd9.exe

  • Size

    25KB

  • MD5

    84c74ef91587b172886aa2852e91ccf9

  • SHA1

    5f1d588b48e6e15a388393489b6190a1aecf0084

  • SHA256

    430460232f614fce233962cd51b0834b04f2a08b97050dde736e7173c81b0cd9

  • SHA512

    510ae173a4583ed95bcfaac04cb48859245998d925e4f5408cac5bebae5fc9b7221bb0cc8a1b76bbfdc6b1e4cc39c0898d3c21af3f947b4237d1a24157644354

  • SSDEEP

    384:qc0J+vqBoLotA8oPNIrxKRQSv7QrzVVvOytGxboE9K/mKHrjpjvJM+:8Q3LotOPNSQVwVVxGKEvKHrVJM+

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\430460232f614fce233962cd51b0834b04f2a08b97050dde736e7173c81b0cd9.exe
    "C:\Users\Admin\AppData\Local\Temp\430460232f614fce233962cd51b0834b04f2a08b97050dde736e7173c81b0cd9.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2804
    • 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:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\wn9LqY4HbwWlqy2.exe

    Filesize

    25KB

    MD5

    7e3932ea6c5a1cb5aec67b7f16b96ed3

    SHA1

    a9823a280ae56b1c4d239cb427e291f9e6d9fc17

    SHA256

    75134ffba6acd081b7f22e1aca8ed32c82d602303985b5fda981f6689555e817

    SHA512

    35bff832f253b27bb75f1430beeeaff87604c359e082095f9acfe7af4a09dc378f8297e238b55f001ee8768ca4b6729c74fafbe4ca978b384406582d06a3a4b6

  • 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