Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 09:49

General

  • Target

    72f528f9a6bb7e6ccf45d9e25e77badb6e9fd8533c0fd8dac26a087347ff8592.exe

  • Size

    818KB

  • MD5

    d8e9c7825c9f7c3828ff4a579a965a8a

  • SHA1

    8db1c5dcd2d583a6644f7e7d613837309b0092a5

  • SHA256

    72f528f9a6bb7e6ccf45d9e25e77badb6e9fd8533c0fd8dac26a087347ff8592

  • SHA512

    9379b64c348f3b070cdf0a962ccd22f8ff7111fd0bbc7f242feca32cada3cb5ce46b132be1675705983f96e75146051ed2a84d36fe13bc7ac10fe89105a103b3

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 5 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72f528f9a6bb7e6ccf45d9e25e77badb6e9fd8533c0fd8dac26a087347ff8592.exe
    "C:\Users\Admin\AppData\Local\Temp\72f528f9a6bb7e6ccf45d9e25e77badb6e9fd8533c0fd8dac26a087347ff8592.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
      "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:662050 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\72f528f9a6bb7e6ccf45d9e25e77badb6e9fd8533c0fd8dac26a087347ff8592.exe" "__IRCT:2" "__IRTSS:0" "__IRSID:S-1-5-21-3341490333-719741536-2920803124-1000"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Users\Admin\AppData\Roaming\WinCtrView\Engin\ProVersion\WinCtrCon.exe
        C:\Users\Admin\AppData\Roaming\WinCtrView\Engin\ProVersion\WinCtrCon.exe /f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1196
        • C:\Users\Admin\AppData\Roaming\WinCtrView\Engin\ProVersion\WinCtrProc.exe
          "C:\Users\Admin\AppData\Roaming\WinCtrView\Engin\ProVersion\WinCtrProc.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4500
          • C:\Users\Admin\AppData\Roaming\WinCtrViewer\Engin\ProVersion\WinCtrCon.exe
            C:\Users\Admin\AppData\Roaming\WinCtrViewer\Engin\ProVersion\WinCtrCon.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:904
            • C:\Users\Admin\AppData\Roaming\WinCtrViewer\Engin\ProVersion\WinCtrProc.exe
              "C:\Users\Admin\AppData\Roaming\WinCtrViewer\Engin\ProVersion\WinCtrProc.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of SetWindowsHookEx
              PID:1248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe

    MD5

    3fe7c92dba5c9240b4ab0d6a87e6166a

    SHA1

    7980d7dffc073515b621834246dda33ab00c308d

    SHA256

    a7818c1e0dad1cbba4d17809688887adeeafe940a3cb53a6aeabdfcd196f7258

    SHA512

    bd2c87b2d02b80b90f744a101bbb9294b1d90650a338be725028e6649e46a759fa72032e80ffe911ae82b005b4d2394960e7b73ce7ad8fe3a70e8a47d2a7c98d

  • C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe

    MD5

    3fe7c92dba5c9240b4ab0d6a87e6166a

    SHA1

    7980d7dffc073515b621834246dda33ab00c308d

    SHA256

    a7818c1e0dad1cbba4d17809688887adeeafe940a3cb53a6aeabdfcd196f7258

    SHA512

    bd2c87b2d02b80b90f744a101bbb9294b1d90650a338be725028e6649e46a759fa72032e80ffe911ae82b005b4d2394960e7b73ce7ad8fe3a70e8a47d2a7c98d

  • C:\Users\Admin\AppData\Roaming\WinCtrView\Engin\ProVersion\WinCtrCon.exe

    MD5

    728d3e7e8e7b918bb8d83c5cdb3ed061

    SHA1

    594cabd994999254c6846cd44fedc5d04a89cc58

    SHA256

    306b2e980349841e046ba0d7848a8edb61817bcf2bac951f60f43937eaf851d6

    SHA512

    ccf7e8ed9327b97bddd909505025266e783cbc476a43e51a23c4fccff12c9be84a1ef55b1c364dc3f06dafdc264b63c8052eb57ee0bfb408ef093482a0a48f85

  • C:\Users\Admin\AppData\Roaming\WinCtrView\Engin\ProVersion\WinCtrCon.exe

    MD5

    728d3e7e8e7b918bb8d83c5cdb3ed061

    SHA1

    594cabd994999254c6846cd44fedc5d04a89cc58

    SHA256

    306b2e980349841e046ba0d7848a8edb61817bcf2bac951f60f43937eaf851d6

    SHA512

    ccf7e8ed9327b97bddd909505025266e783cbc476a43e51a23c4fccff12c9be84a1ef55b1c364dc3f06dafdc264b63c8052eb57ee0bfb408ef093482a0a48f85

  • C:\Users\Admin\AppData\Roaming\WinCtrView\Engin\ProVersion\WinCtrProc.exe

    MD5

    20f64feed2eaa16a0a8427c93b0b8b53

    SHA1

    c9c66705e6327f228d0fd9424a5f00e174920800

    SHA256

    55313fcdb695884cb1e9eec8b930c6ed24c997008d86964283528f7077d115a9

    SHA512

    11aab7807e2993bc8074e24898e4973dfd2d9fb5f86ca5e3adf9dcab48d3deef3c14e2c1306df303b6c0e0ea9dbf1189b146edf12db9a7456ddb596f1dc8faa9

  • C:\Users\Admin\AppData\Roaming\WinCtrView\Engin\ProVersion\WinCtrProc.exe

    MD5

    20f64feed2eaa16a0a8427c93b0b8b53

    SHA1

    c9c66705e6327f228d0fd9424a5f00e174920800

    SHA256

    55313fcdb695884cb1e9eec8b930c6ed24c997008d86964283528f7077d115a9

    SHA512

    11aab7807e2993bc8074e24898e4973dfd2d9fb5f86ca5e3adf9dcab48d3deef3c14e2c1306df303b6c0e0ea9dbf1189b146edf12db9a7456ddb596f1dc8faa9

  • C:\Users\Admin\AppData\Roaming\WinCtrViewer\Engin\ProVersion\WinCtrCon.exe

    MD5

    ac592309ec6a3aa4dd5b7f4ba88d4d30

    SHA1

    ec17167f3013b5d0a8b9d41e02703265165c479a

    SHA256

    c0fa7618675972ceeecd2a0e0fc55044806d9b7786429a31414af7b92ffcee7a

    SHA512

    4c558de17eb6afeb8cde765d0f4a26721d0ea5e2bf55dec2e55d81bd432588665fcd408590271a61ce2bbfca9464d7c09d58b2d582da1120dbb048ed84ce9331

  • C:\Users\Admin\AppData\Roaming\WinCtrViewer\Engin\ProVersion\WinCtrCon.exe

    MD5

    ac592309ec6a3aa4dd5b7f4ba88d4d30

    SHA1

    ec17167f3013b5d0a8b9d41e02703265165c479a

    SHA256

    c0fa7618675972ceeecd2a0e0fc55044806d9b7786429a31414af7b92ffcee7a

    SHA512

    4c558de17eb6afeb8cde765d0f4a26721d0ea5e2bf55dec2e55d81bd432588665fcd408590271a61ce2bbfca9464d7c09d58b2d582da1120dbb048ed84ce9331

  • C:\Users\Admin\AppData\Roaming\WinCtrViewer\Engin\ProVersion\WinCtrProc.exe

    MD5

    20f64feed2eaa16a0a8427c93b0b8b53

    SHA1

    c9c66705e6327f228d0fd9424a5f00e174920800

    SHA256

    55313fcdb695884cb1e9eec8b930c6ed24c997008d86964283528f7077d115a9

    SHA512

    11aab7807e2993bc8074e24898e4973dfd2d9fb5f86ca5e3adf9dcab48d3deef3c14e2c1306df303b6c0e0ea9dbf1189b146edf12db9a7456ddb596f1dc8faa9

  • C:\Users\Admin\AppData\Roaming\WinCtrViewer\Engin\ProVersion\WinCtrProc.exe

    MD5

    20f64feed2eaa16a0a8427c93b0b8b53

    SHA1

    c9c66705e6327f228d0fd9424a5f00e174920800

    SHA256

    55313fcdb695884cb1e9eec8b930c6ed24c997008d86964283528f7077d115a9

    SHA512

    11aab7807e2993bc8074e24898e4973dfd2d9fb5f86ca5e3adf9dcab48d3deef3c14e2c1306df303b6c0e0ea9dbf1189b146edf12db9a7456ddb596f1dc8faa9

  • C:\Windows\SysWOW64\MSINET.OCX

    MD5

    90a39346e9b67f132ef133725c487ff6

    SHA1

    9cd22933f628465c863bed7895d99395acaa5d2a

    SHA256

    e55627932120be87c7950383a75a5712b0ff2c00b8d18169195ad35bc2502fc2

    SHA512

    0337817b9194a10b946d7381a84a2aeefd21445986afef1b9ae5a52921e598cdb0d1a576bdf8391f1ebf8be74950883a6f50ad1f61ff08678782c6b05a18adbf

  • C:\Windows\SysWOW64\vb6ko.dll

    MD5

    84742b5754690ed667372be561cf518d

    SHA1

    ef97aa43f804f447498568fc33704800b91a7381

    SHA256

    52b64e2bfc9ee0b807f2095726ace9e911bcd907054ac15686a4e7d2fd4dc751

    SHA512

    72ac19a3665a01519dac2ad43eb6178a66ad7f4e167f2a882cbca242978f8debe3e15d0e210c3b0391590699999f33a1fd5de4ca6559ff894b4e6cb4ac1415a0

  • \Windows\SysWOW64\MSINET.OCX

    MD5

    90a39346e9b67f132ef133725c487ff6

    SHA1

    9cd22933f628465c863bed7895d99395acaa5d2a

    SHA256

    e55627932120be87c7950383a75a5712b0ff2c00b8d18169195ad35bc2502fc2

    SHA512

    0337817b9194a10b946d7381a84a2aeefd21445986afef1b9ae5a52921e598cdb0d1a576bdf8391f1ebf8be74950883a6f50ad1f61ff08678782c6b05a18adbf

  • \Windows\SysWOW64\MSINET.OCX

    MD5

    90a39346e9b67f132ef133725c487ff6

    SHA1

    9cd22933f628465c863bed7895d99395acaa5d2a

    SHA256

    e55627932120be87c7950383a75a5712b0ff2c00b8d18169195ad35bc2502fc2

    SHA512

    0337817b9194a10b946d7381a84a2aeefd21445986afef1b9ae5a52921e598cdb0d1a576bdf8391f1ebf8be74950883a6f50ad1f61ff08678782c6b05a18adbf

  • \Windows\SysWOW64\MSINET.OCX

    MD5

    90a39346e9b67f132ef133725c487ff6

    SHA1

    9cd22933f628465c863bed7895d99395acaa5d2a

    SHA256

    e55627932120be87c7950383a75a5712b0ff2c00b8d18169195ad35bc2502fc2

    SHA512

    0337817b9194a10b946d7381a84a2aeefd21445986afef1b9ae5a52921e598cdb0d1a576bdf8391f1ebf8be74950883a6f50ad1f61ff08678782c6b05a18adbf

  • \Windows\SysWOW64\MSINET.OCX

    MD5

    90a39346e9b67f132ef133725c487ff6

    SHA1

    9cd22933f628465c863bed7895d99395acaa5d2a

    SHA256

    e55627932120be87c7950383a75a5712b0ff2c00b8d18169195ad35bc2502fc2

    SHA512

    0337817b9194a10b946d7381a84a2aeefd21445986afef1b9ae5a52921e598cdb0d1a576bdf8391f1ebf8be74950883a6f50ad1f61ff08678782c6b05a18adbf

  • \Windows\SysWOW64\MSINET.OCX

    MD5

    90a39346e9b67f132ef133725c487ff6

    SHA1

    9cd22933f628465c863bed7895d99395acaa5d2a

    SHA256

    e55627932120be87c7950383a75a5712b0ff2c00b8d18169195ad35bc2502fc2

    SHA512

    0337817b9194a10b946d7381a84a2aeefd21445986afef1b9ae5a52921e598cdb0d1a576bdf8391f1ebf8be74950883a6f50ad1f61ff08678782c6b05a18adbf

  • \Windows\SysWOW64\VB6KO.DLL

    MD5

    84742b5754690ed667372be561cf518d

    SHA1

    ef97aa43f804f447498568fc33704800b91a7381

    SHA256

    52b64e2bfc9ee0b807f2095726ace9e911bcd907054ac15686a4e7d2fd4dc751

    SHA512

    72ac19a3665a01519dac2ad43eb6178a66ad7f4e167f2a882cbca242978f8debe3e15d0e210c3b0391590699999f33a1fd5de4ca6559ff894b4e6cb4ac1415a0

  • \Windows\SysWOW64\VB6KO.DLL

    MD5

    84742b5754690ed667372be561cf518d

    SHA1

    ef97aa43f804f447498568fc33704800b91a7381

    SHA256

    52b64e2bfc9ee0b807f2095726ace9e911bcd907054ac15686a4e7d2fd4dc751

    SHA512

    72ac19a3665a01519dac2ad43eb6178a66ad7f4e167f2a882cbca242978f8debe3e15d0e210c3b0391590699999f33a1fd5de4ca6559ff894b4e6cb4ac1415a0

  • \Windows\SysWOW64\VB6KO.DLL

    MD5

    84742b5754690ed667372be561cf518d

    SHA1

    ef97aa43f804f447498568fc33704800b91a7381

    SHA256

    52b64e2bfc9ee0b807f2095726ace9e911bcd907054ac15686a4e7d2fd4dc751

    SHA512

    72ac19a3665a01519dac2ad43eb6178a66ad7f4e167f2a882cbca242978f8debe3e15d0e210c3b0391590699999f33a1fd5de4ca6559ff894b4e6cb4ac1415a0

  • \Windows\SysWOW64\VB6KO.DLL

    MD5

    84742b5754690ed667372be561cf518d

    SHA1

    ef97aa43f804f447498568fc33704800b91a7381

    SHA256

    52b64e2bfc9ee0b807f2095726ace9e911bcd907054ac15686a4e7d2fd4dc751

    SHA512

    72ac19a3665a01519dac2ad43eb6178a66ad7f4e167f2a882cbca242978f8debe3e15d0e210c3b0391590699999f33a1fd5de4ca6559ff894b4e6cb4ac1415a0

  • memory/904-27-0x0000000000000000-mapping.dmp

  • memory/904-30-0x0000000073D10000-0x0000000073DA3000-memory.dmp

    Filesize

    588KB

  • memory/1196-8-0x0000000000000000-mapping.dmp

  • memory/1196-11-0x0000000073D10000-0x0000000073DA3000-memory.dmp

    Filesize

    588KB

  • memory/1248-35-0x0000000000000000-mapping.dmp

  • memory/1248-38-0x0000000073D10000-0x0000000073DA3000-memory.dmp

    Filesize

    588KB

  • memory/2148-2-0x0000000000000000-mapping.dmp

  • memory/2148-5-0x0000000073D10000-0x0000000073DA3000-memory.dmp

    Filesize

    588KB

  • memory/4500-22-0x0000000073D10000-0x0000000073DA3000-memory.dmp

    Filesize

    588KB

  • memory/4500-19-0x0000000000000000-mapping.dmp