Analysis

  • max time kernel
    150s
  • max time network
    70s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 21:55

General

  • Target

    c1da29ce2cfa6e74ae682affb4e91b5d147c5b31edabf5cbb5248ecb5c50b9e4.exe

  • Size

    852KB

  • MD5

    e331cdb066e98f0cbff4990f29e73c2d

  • SHA1

    3457b3edc567271a2a87367349a168fa1fcde1be

  • SHA256

    c1da29ce2cfa6e74ae682affb4e91b5d147c5b31edabf5cbb5248ecb5c50b9e4

  • SHA512

    09a76247885d8850e4e3db07a16862e03ad177e24adccc141adabed504d6158a84a2df3b2db610bd82f8075912afcf824d87e504d31e53905e562aed7abce38f

  • SSDEEP

    12288:g72bnI+w8GNA72bnI+w8GNPg72bnI+w8GNA72bnI+w8GNPbo:g72zd72zsg72zd72zsbo

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c1da29ce2cfa6e74ae682affb4e91b5d147c5b31edabf5cbb5248ecb5c50b9e4.exe
    "C:\Users\Admin\AppData\Local\Temp\c1da29ce2cfa6e74ae682affb4e91b5d147c5b31edabf5cbb5248ecb5c50b9e4.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:888
    • C:\Users\Admin\AppData\Local\Temp\avscan.exe
      C:\Users\Admin\AppData\Local\Temp\avscan.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1904
      • C:\Users\Admin\AppData\Local\Temp\avscan.exe
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1728
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\windows\W_X_C.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1520
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1004
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
          4⤵
          • Adds policy Run key to start application
          PID:1228
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1324
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1588
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:808
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:592
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\windows\W_X_C.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1020
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:796
        • C:\Users\Admin\AppData\Local\Temp\avscan.exe
          C:\Users\Admin\AppData\Local\Temp\avscan.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1516
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c c:\windows\W_X_C.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1988
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1028
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
            5⤵
            • Adds policy Run key to start application
            PID:360
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:824
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1580
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:996
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:684
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        3⤵
        • Adds policy Run key to start application
        PID:1560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    900KB

    MD5

    e8a5178f6c4bd33d2374e178eaa13f41

    SHA1

    f6d422c3b02f82b4994b87d2e300fe4cc9ee0965

    SHA256

    2e502b90b64db6c1b97b1d7b607d692354f6ef29cf55dd047ce58ae6ab5c1af5

    SHA512

    486093c413e85ce5d026ca58923bf691b08d0f89ae70f4e7bb8f46fedc8247941e587e4151d659941568c8776d5f17645e4fc69dacdc8757ad025ace0510eaa3

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    2.5MB

    MD5

    f90403afe16fa9727c11066786acd4cb

    SHA1

    960c17bd9bd5f3320c2270565afeb71960b70e2e

    SHA256

    40440c3ccd75ca726af229f652b258dea4771e114c67922164014040a93d1fa9

    SHA512

    9a98149b9d0e725ec2c990158249c42064484c022390dfd337d3876a164e6c4031b1cd58d8df0057a9af1d60aa0e13147380115090b536fe7c411dd4456adab4

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    2.5MB

    MD5

    06285fd4f95c9474f9d325b53df1f060

    SHA1

    48fb8e82f1c99a0aeb7325108b3951be4fbcf877

    SHA256

    a1b0c27ba359c39e3eb3bf000e9ec81fc3f510b8f22d8b8464e348d08188e70e

    SHA512

    16407fad1dffe6866028e1ec8d0793065417fabf67c8e8d74b79af0da474d607a97daaae22b3a8e2a3dd8277b776f3a23502d3b28de4f5bbd46df7cd06002032

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    4.2MB

    MD5

    0b924fa349c6588e55b82ac81d0c6da6

    SHA1

    a0627ecb3cb86e64980ea71273cfbeef2a3663be

    SHA256

    7a2818dd98fa9aa238fa93249552ce6eafc6b9ff41d1fb1b2c2027d7cd073607

    SHA512

    924d4c0ee74cfd2b100f322eb5d607b76d0b36e74b2cb04cb55f4224ecf745d4ee01d77c4b26633eaae209182071f19b212ff7b38ed8e578852ea2a38d0e3307

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    4.2MB

    MD5

    8e549923d64cb2282cb7689c49ab76d6

    SHA1

    e34aed4addd22c0852c7e254fa3033a05ddc2a40

    SHA256

    152372ad3036d0e1b2660e23b17d60ebc63abd0ac4e02158fb3ef70b0d3eb55f

    SHA512

    d03525a371c4eef98ba5beb02327f2bd1af87dffb0bcd519013db84c751a59a2ae627c8d27477b9459b1a5850eed9ea842f21ce4470c4a0d6f34b6cd6281be15

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    5.9MB

    MD5

    0af155846a1ff4077144ea58c1c20bac

    SHA1

    7d47bc32d78c093244d9b9be524e160e3cbab6b2

    SHA256

    91c5b815e82acffebf480c01911f10077f458e59d398f27326e3747951c0a1b0

    SHA512

    277be7853a633194c550e18f27e84c7e79a4a0230b8ab2134e738569b0a9722cd309d167068e3542a8d13339cf1a3c3102c22dbd8aa45d88d7078feaa59bb597

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    5.9MB

    MD5

    27b10061927f1ac67be175500cbf022b

    SHA1

    9bc96e5860cb2d873d452a2f695470e3bfe2c60b

    SHA256

    bd8f8440bb185939b5791d22e72fa5bd37df16c12dff731a0dbf648da08e6471

    SHA512

    eea6e7cd20d9e54ff3537e7d7221d4174cfed70fd46865da14b4b7d93dbba83ba71307d88764e39be4f7d75863f35eebd3319a3ff02f9e18cd461cf7778f2612

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

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

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

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

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

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

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

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

  • C:\Windows\W_X_C.vbs

    Filesize

    195B

    MD5

    6d7a78ec09068987a6bec39d91fa2997

    SHA1

    e74ad929b10ad126cab230e0ea5ec239cbeaf12b

    SHA256

    d87abc4daf79735e1afda9ba17e27ca3e8c8775af50c18e67579da6384da53c6

    SHA512

    e912df74b128cb69c204fe6395f2237f7b2f240642312a66ff4e89004ac7736125155078e47591b26e686ec4f09d25bc4cf1575cc590bffe587962c02fa8e395

  • C:\Windows\hosts.exe

    Filesize

    852KB

    MD5

    d785f10271b2d4d9c1fbb06cca6fe483

    SHA1

    a492145bb7b60b23922f59d206e45c117d68c0b6

    SHA256

    623d55cc7f4bc3ce87cf6132e4cf59993436e9e62445cbf411a15e84dfe1939e

    SHA512

    bde308e73416d052e3586bf4013faf587643e813d0185bce5c53c04dd733f88acf56f7da7919cbc0a2f829f19e851f3c3bd7088bd607ab525308dedb99a86fa8

  • C:\Windows\hosts.exe

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

  • C:\Windows\hosts.exe

    Filesize

    852KB

    MD5

    d785f10271b2d4d9c1fbb06cca6fe483

    SHA1

    a492145bb7b60b23922f59d206e45c117d68c0b6

    SHA256

    623d55cc7f4bc3ce87cf6132e4cf59993436e9e62445cbf411a15e84dfe1939e

    SHA512

    bde308e73416d052e3586bf4013faf587643e813d0185bce5c53c04dd733f88acf56f7da7919cbc0a2f829f19e851f3c3bd7088bd607ab525308dedb99a86fa8

  • C:\Windows\hosts.exe

    Filesize

    852KB

    MD5

    d785f10271b2d4d9c1fbb06cca6fe483

    SHA1

    a492145bb7b60b23922f59d206e45c117d68c0b6

    SHA256

    623d55cc7f4bc3ce87cf6132e4cf59993436e9e62445cbf411a15e84dfe1939e

    SHA512

    bde308e73416d052e3586bf4013faf587643e813d0185bce5c53c04dd733f88acf56f7da7919cbc0a2f829f19e851f3c3bd7088bd607ab525308dedb99a86fa8

  • C:\windows\hosts.exe

    Filesize

    852KB

    MD5

    d785f10271b2d4d9c1fbb06cca6fe483

    SHA1

    a492145bb7b60b23922f59d206e45c117d68c0b6

    SHA256

    623d55cc7f4bc3ce87cf6132e4cf59993436e9e62445cbf411a15e84dfe1939e

    SHA512

    bde308e73416d052e3586bf4013faf587643e813d0185bce5c53c04dd733f88acf56f7da7919cbc0a2f829f19e851f3c3bd7088bd607ab525308dedb99a86fa8

  • \??\c:\windows\W_X_C.bat

    Filesize

    336B

    MD5

    4db9f8b6175722b62ececeeeba1ce307

    SHA1

    3b3ba8414706e72a6fa19e884a97b87609e11e47

    SHA256

    d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

    SHA512

    1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    852KB

    MD5

    7adc32fd85163555aa84ccad497596e6

    SHA1

    0df52a5e4d50d8406c5e3f354fb483b6da1ec4a9

    SHA256

    96bafb9fb01c638c301f77f5c51accf9e3b5ebea1a5b1e5e709b5a63d31f81af

    SHA512

    f365ef408a9ed1b2b336b0fc277078f12157bcea1193f89bd7865f93042a0170f1b51f34f00d131a65b250e83875230df21c315a6561e7a08f8737599b5d4453

  • memory/956-58-0x0000000074541000-0x0000000074543000-memory.dmp

    Filesize

    8KB

  • memory/956-56-0x0000000075B61000-0x0000000075B63000-memory.dmp

    Filesize

    8KB