Analysis

  • max time kernel
    886s
  • max time network
    912s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2023, 22:21

General

  • Target

    chatgpt_setup.msi

  • Size

    866.0MB

  • MD5

    324596620987a86b0d530eaee739300b

  • SHA1

    191491ac5c5538d45a0d8bfd4861070fc79bff97

  • SHA256

    e264899f00cafff5128691f7af57077f41b19446d637515467e556edd955448d

  • SHA512

    3b1e80253f1de58f13fa0b59569feabf7b3f7a98f328d5ed4b11458096fddda73087551317e58e9ba014914c6f06c2441992f6de22d9a048f07c4fedfc6effc3

  • SSDEEP

    1572864:ke6tVcO2NVvufkL1BQe6cGJFpNidrnV4U2Vz1EBoilXnhTT:OjYSkpBShrNiJnwljilXn1

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 20 IoCs
  • Drops file in Windows directory 12 IoCs
  • Kills process with taskkill 4 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\chatgpt_setup.msi
    1⤵
    • Enumerates connected drives
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Program Files\chatgpt\chatgpt\chatgpt.exe
      "C:\Program Files\chatgpt\chatgpt\chatgpt.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1136
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /F /IM "chrome.exe"
        3⤵
        • Kills process with taskkill
        PID:1664
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /F /IM "chromedriver.exe"
        3⤵
        • Kills process with taskkill
        PID:1452
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 292434C1A50F743252DCD042F1F5240E C
      2⤵
      • Loads dropped DLL
      PID:1356
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C0F412C4C2CEC0A856B22E435FA0912C
      2⤵
      • Loads dropped DLL
      PID:1916
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:1032
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004E8" "00000000000004CC"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:1964
    • C:\Program Files\chatgpt\chatgpt\chatgpt.exe
      "C:\Program Files\chatgpt\chatgpt\chatgpt.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /F /IM "chrome.exe"
        2⤵
        • Kills process with taskkill
        PID:1084
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /F /IM "chromedriver.exe"
        2⤵
        • Kills process with taskkill
        PID:1692

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Program Files\chatgpt\chatgpt\WebDriver.dll

            Filesize

            8.4MB

            MD5

            961bdd1e0ab192f8e517bd434fb4cbe0

            SHA1

            e7de4921333a41ff9eaa1f29167bee26195f0daf

            SHA256

            f3d2ebb39d2edc3cce98299c724c5eff0b7a151c5d0857dd3f35ad0ff48fbe53

            SHA512

            fedbc711a4e887eb6f8ca99aa89343afcb25eac3dd8cfd0fb2f138a43b8293c3dd2650db9ebd56571a79136a5e00392e7b3ed22ace7c27e6a3fa3c5d927d7217

          • C:\Program Files\chatgpt\chatgpt\chatgpt.exe

            Filesize

            146KB

            MD5

            9ff2f9c28827de4de505c92b0212bd28

            SHA1

            00f18a24113a6373b0bd6febc70f9be065483add

            SHA256

            65266185bd058b2b4a8488984cd84e2fe4fbf452fd2fdaf0e8325b77ff6e90a9

            SHA512

            01c16d6b0b1537cd502fcdcb8b18d39513f005ad20adcad234565ce161df1181afc59740e3d12dd0311dd5a7d10b61617e814c6f96fbea05d10631397fe81046

          • C:\Program Files\chatgpt\chatgpt\chatgpt.exe

            Filesize

            146KB

            MD5

            9ff2f9c28827de4de505c92b0212bd28

            SHA1

            00f18a24113a6373b0bd6febc70f9be065483add

            SHA256

            65266185bd058b2b4a8488984cd84e2fe4fbf452fd2fdaf0e8325b77ff6e90a9

            SHA512

            01c16d6b0b1537cd502fcdcb8b18d39513f005ad20adcad234565ce161df1181afc59740e3d12dd0311dd5a7d10b61617e814c6f96fbea05d10631397fe81046

          • C:\Program Files\chatgpt\chatgpt\chatgpt.exe

            Filesize

            146KB

            MD5

            9ff2f9c28827de4de505c92b0212bd28

            SHA1

            00f18a24113a6373b0bd6febc70f9be065483add

            SHA256

            65266185bd058b2b4a8488984cd84e2fe4fbf452fd2fdaf0e8325b77ff6e90a9

            SHA512

            01c16d6b0b1537cd502fcdcb8b18d39513f005ad20adcad234565ce161df1181afc59740e3d12dd0311dd5a7d10b61617e814c6f96fbea05d10631397fe81046

          • C:\Program Files\chatgpt\chatgpt\chatgpt.exe.config

            Filesize

            189B

            MD5

            9dbad5517b46f41dbb0d8780b20ab87e

            SHA1

            ef6aef0b1ea5d01b6e088a8bf2f429773c04ba5e

            SHA256

            47e5a0f101af4151d7f13d2d6bfa9b847d5b5e4a98d1f4674b7c015772746cdf

            SHA512

            43825f5c26c54e1fc5bffcce30caad1449a28c0c9a9432e9ce17d255f8bf6057c1a1002d9471e5b654ab1de08fb6eabf96302cdb3e0fb4b63ba0ff186e903be8

          • C:\Users\Admin\AppData\Local\Temp\MSIC840.tmp

            Filesize

            285KB

            MD5

            b77a2a2768b9cc78a71bbffb9812b978

            SHA1

            b70e27eb446fe1c3bc8ea03dabbee2739a782e04

            SHA256

            f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

            SHA512

            a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

          • C:\Users\Admin\AppData\Local\Temp\MSIC988.tmp

            Filesize

            285KB

            MD5

            b77a2a2768b9cc78a71bbffb9812b978

            SHA1

            b70e27eb446fe1c3bc8ea03dabbee2739a782e04

            SHA256

            f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

            SHA512

            a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

          • C:\Windows\Installer\MSI7DE8.tmp

            Filesize

            285KB

            MD5

            b77a2a2768b9cc78a71bbffb9812b978

            SHA1

            b70e27eb446fe1c3bc8ea03dabbee2739a782e04

            SHA256

            f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

            SHA512

            a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

          • C:\Windows\Installer\MSI8D34.tmp

            Filesize

            285KB

            MD5

            b77a2a2768b9cc78a71bbffb9812b978

            SHA1

            b70e27eb446fe1c3bc8ea03dabbee2739a782e04

            SHA256

            f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

            SHA512

            a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

          • \Program Files\chatgpt\chatgpt\WebDriver.dll

            Filesize

            8.4MB

            MD5

            961bdd1e0ab192f8e517bd434fb4cbe0

            SHA1

            e7de4921333a41ff9eaa1f29167bee26195f0daf

            SHA256

            f3d2ebb39d2edc3cce98299c724c5eff0b7a151c5d0857dd3f35ad0ff48fbe53

            SHA512

            fedbc711a4e887eb6f8ca99aa89343afcb25eac3dd8cfd0fb2f138a43b8293c3dd2650db9ebd56571a79136a5e00392e7b3ed22ace7c27e6a3fa3c5d927d7217

          • \Program Files\chatgpt\chatgpt\WebDriver.dll

            Filesize

            8.4MB

            MD5

            961bdd1e0ab192f8e517bd434fb4cbe0

            SHA1

            e7de4921333a41ff9eaa1f29167bee26195f0daf

            SHA256

            f3d2ebb39d2edc3cce98299c724c5eff0b7a151c5d0857dd3f35ad0ff48fbe53

            SHA512

            fedbc711a4e887eb6f8ca99aa89343afcb25eac3dd8cfd0fb2f138a43b8293c3dd2650db9ebd56571a79136a5e00392e7b3ed22ace7c27e6a3fa3c5d927d7217

          • \Program Files\chatgpt\chatgpt\WebDriver.dll

            Filesize

            8.4MB

            MD5

            961bdd1e0ab192f8e517bd434fb4cbe0

            SHA1

            e7de4921333a41ff9eaa1f29167bee26195f0daf

            SHA256

            f3d2ebb39d2edc3cce98299c724c5eff0b7a151c5d0857dd3f35ad0ff48fbe53

            SHA512

            fedbc711a4e887eb6f8ca99aa89343afcb25eac3dd8cfd0fb2f138a43b8293c3dd2650db9ebd56571a79136a5e00392e7b3ed22ace7c27e6a3fa3c5d927d7217

          • \Program Files\chatgpt\chatgpt\WebDriver.dll

            Filesize

            8.4MB

            MD5

            961bdd1e0ab192f8e517bd434fb4cbe0

            SHA1

            e7de4921333a41ff9eaa1f29167bee26195f0daf

            SHA256

            f3d2ebb39d2edc3cce98299c724c5eff0b7a151c5d0857dd3f35ad0ff48fbe53

            SHA512

            fedbc711a4e887eb6f8ca99aa89343afcb25eac3dd8cfd0fb2f138a43b8293c3dd2650db9ebd56571a79136a5e00392e7b3ed22ace7c27e6a3fa3c5d927d7217

          • \Users\Admin\AppData\Local\Temp\MSIC840.tmp

            Filesize

            285KB

            MD5

            b77a2a2768b9cc78a71bbffb9812b978

            SHA1

            b70e27eb446fe1c3bc8ea03dabbee2739a782e04

            SHA256

            f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

            SHA512

            a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

          • \Users\Admin\AppData\Local\Temp\MSIC988.tmp

            Filesize

            285KB

            MD5

            b77a2a2768b9cc78a71bbffb9812b978

            SHA1

            b70e27eb446fe1c3bc8ea03dabbee2739a782e04

            SHA256

            f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

            SHA512

            a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

          • \Windows\Installer\MSI7DE8.tmp

            Filesize

            285KB

            MD5

            b77a2a2768b9cc78a71bbffb9812b978

            SHA1

            b70e27eb446fe1c3bc8ea03dabbee2739a782e04

            SHA256

            f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

            SHA512

            a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

          • \Windows\Installer\MSI8D34.tmp

            Filesize

            285KB

            MD5

            b77a2a2768b9cc78a71bbffb9812b978

            SHA1

            b70e27eb446fe1c3bc8ea03dabbee2739a782e04

            SHA256

            f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0

            SHA512

            a8b16bc60f8559c78c64ca9e85cd7fd704bba1f55b362465b7accef1bb853d1c9616995a35f972256c57fbe877ce880398ba1fbceaa658604883aa12dcbc4f57

          • memory/916-73-0x00000000002E0000-0x000000000030A000-memory.dmp

            Filesize

            168KB

          • memory/916-88-0x0000000004C85000-0x0000000004C96000-memory.dmp

            Filesize

            68KB

          • memory/916-78-0x0000000004C85000-0x0000000004C96000-memory.dmp

            Filesize

            68KB

          • memory/1136-79-0x0000000004C95000-0x0000000004CA6000-memory.dmp

            Filesize

            68KB

          • memory/1136-89-0x0000000004C95000-0x0000000004CA6000-memory.dmp

            Filesize

            68KB

          • memory/1136-87-0x0000000007CA0000-0x0000000008516000-memory.dmp

            Filesize

            8.5MB

          • memory/1356-57-0x0000000075B11000-0x0000000075B13000-memory.dmp

            Filesize

            8KB

          • memory/1708-54-0x000007FEFBC61000-0x000007FEFBC63000-memory.dmp

            Filesize

            8KB