Analysis

  • max time kernel
    134s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 19:01

General

  • Target

    1d0f660959abdd07b7f4002a77e2c33424513fb47fbad7be27f24ee689644c21.exe

  • Size

    339KB

  • MD5

    539c64d71bc9395464850b6183ef641a

  • SHA1

    c09da93b232d660f3d7554a257fefdc8be4678de

  • SHA256

    1d0f660959abdd07b7f4002a77e2c33424513fb47fbad7be27f24ee689644c21

  • SHA512

    b3158d308916e4dbbeeb9019faff7790c2630a95e69f898d5f3ff0ef021750130e681f26c5acd29914abf9b06732785d3f8518e42623d137b707e5c21cbd2005

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQwbpDCw1p3vmLvsZIaVwiwDcIbDO:gDCwfG1bnxLERR7DCwfG1bnxLERR3

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\1d0f660959abdd07b7f4002a77e2c33424513fb47fbad7be27f24ee689644c21.exe
    "C:\Users\Admin\AppData\Local\Temp\1d0f660959abdd07b7f4002a77e2c33424513fb47fbad7be27f24ee689644c21.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:1968
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:1220
    • 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:1116
      • 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:888
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\windows\W_X_C.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1496
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • 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:628
          • C:\Users\Admin\AppData\Local\Temp\avscan.exe
            C:\Users\Admin\AppData\Local\Temp\avscan.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1068
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c c:\windows\W_X_C.bat
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1476
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:1904
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
              6⤵
              • Adds policy Run key to start application
              PID:1264
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:316
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1220
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:820
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:900
        • 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:664
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1820
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:952
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1156
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1888
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\windows\W_X_C.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:756
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1592
      • 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:832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    387KB

    MD5

    16464fc13e717dd639d5414b50fbbe3a

    SHA1

    d956e670ef2e0cd1bd8623b26ef733e56a74588c

    SHA256

    2a5307251729bd9aa2d0b74b31a6a8a0e932c90ece95834532f5eed3f4f998df

    SHA512

    ead552b2eaf985b60904c8203e0ed36fd7c30f53ee566f04672146e81bb3c338eaa6f3bafef26d51592acb239a8e93669a62ffff35ceddd0418307136ea2603b

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

    Filesize

    1.4MB

    MD5

    e3a8779fb6d733f65da4bffb15763728

    SHA1

    218208be93affa13bf770dc3c0da357627390d02

    SHA256

    c65661559130c21b5273d290ff8908b246b407f2b3fca1fcb88bb62d1f30e97d

    SHA512

    0a6ed73a0b1159a473488514ae638ef5a22e0fd6ab15b1c9547804b2b0726c21719203f723381460cc10eef117a0127be8367deb9678f10d4357f89b199516b6

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

    Filesize

    2.0MB

    MD5

    44de7808f8d5c047e03817d01634b02b

    SHA1

    2a32e11a1d1a4c911f1edeb4ad97e1eb7d0b63d2

    SHA256

    29cf7afe3ff949089175ba843ea97a059dcd8e7aea3f0ecfd496a26974b3a840

    SHA512

    35d5bcabc736bc984350747e9d56de938f7baa727414e6aca8341e19812c2edd08da72f447dc894064c11b4e5dee20394211ed1a008d10691012281c6912954a

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

    Filesize

    2.0MB

    MD5

    d2d1eac4f009da0e63b6eb3a4b5dcbe8

    SHA1

    7b0dbd7fd6deb48a0dffeeddaf7662abe0c408a2

    SHA256

    fc3da7430764df5a4de2a2ed4dcbd6b33c0386826091a5118806c8956bae04ca

    SHA512

    a986234706c20e71a7e04f9bae069cdad24f7b3458267a0b9f9187c3668a1b84d90e367c10efcbaef5a39479abd24f4aae75a842823303f586b1a4b687202421

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

    Filesize

    2.4MB

    MD5

    4df23db65698c960f22e323a5e77ef32

    SHA1

    bad215a7ef0a91b55fec86bd492bb34ccfc00aec

    SHA256

    058445560a71b68cfb887ff30e4fbe5e481f7a2f1830753c175dc5ccb6e65aa2

    SHA512

    01954f1d345f4f43b12ea659fb1a82be95dc18ced1f957ed1ac2a6c1a9c46eb21c4b653956091b9c8a06d0256352723334a641ba1a10e0ac051269ff3d42e13b

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

    Filesize

    2.4MB

    MD5

    20e2896b9b7e5cbccf89dc4e52c6a4ea

    SHA1

    4d28c1c5109fbf793445823a5e54c43c0960eb09

    SHA256

    f49b50589473be0648fe45b74921e167fe1835028bb8ef36140ff242e7407342

    SHA512

    e6f24b8a7c437e6bbe2924eb4b0ff1d2cc47e0b787664d252b0e5b9f4439151d0474562007de393d586dd68ed18d412bc89fe2870659f11015a94a37e28ec114

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

  • C:\Windows\W_X_C.vbs

    Filesize

    195B

    MD5

    9eb0c6074d8e54f7da6508b5f6809e78

    SHA1

    61f003a28c45377e9fc641a0dd1382e6931c11f0

    SHA256

    df6f01f8c7c5ad4b1e66d19309ad60f0189bc607d7a07c184d9d94abd29c3ee8

    SHA512

    f6db15038cf4312647c59574cf2352c132c36cd060293977427b719066e5519838c6fed059d3a1d4e3277b575d9132d29d150c45cebd8a3852e705f3297f6d08

  • C:\Windows\hosts.exe

    Filesize

    339KB

    MD5

    9e3b8ef88d83cdc120152b29e11d5f52

    SHA1

    45702b6572f8a6d27523c32469c27ae7c13eac1a

    SHA256

    27c73dc9c28185fe9e7281e4df2f0088f9c4a5580a13e580bd1081d907da2432

    SHA512

    a6b79b9d4cb41d8e13f7265fcad35db9db281583e7005258c2afe632e1646a6e8ddd745159103ea77ca0f9ac44d2e3eee7ba546a497ef043ef7b242176256733

  • C:\Windows\hosts.exe

    Filesize

    339KB

    MD5

    9e3b8ef88d83cdc120152b29e11d5f52

    SHA1

    45702b6572f8a6d27523c32469c27ae7c13eac1a

    SHA256

    27c73dc9c28185fe9e7281e4df2f0088f9c4a5580a13e580bd1081d907da2432

    SHA512

    a6b79b9d4cb41d8e13f7265fcad35db9db281583e7005258c2afe632e1646a6e8ddd745159103ea77ca0f9ac44d2e3eee7ba546a497ef043ef7b242176256733

  • C:\Windows\hosts.exe

    Filesize

    339KB

    MD5

    9e3b8ef88d83cdc120152b29e11d5f52

    SHA1

    45702b6572f8a6d27523c32469c27ae7c13eac1a

    SHA256

    27c73dc9c28185fe9e7281e4df2f0088f9c4a5580a13e580bd1081d907da2432

    SHA512

    a6b79b9d4cb41d8e13f7265fcad35db9db281583e7005258c2afe632e1646a6e8ddd745159103ea77ca0f9ac44d2e3eee7ba546a497ef043ef7b242176256733

  • C:\Windows\hosts.exe

    Filesize

    339KB

    MD5

    9e3b8ef88d83cdc120152b29e11d5f52

    SHA1

    45702b6572f8a6d27523c32469c27ae7c13eac1a

    SHA256

    27c73dc9c28185fe9e7281e4df2f0088f9c4a5580a13e580bd1081d907da2432

    SHA512

    a6b79b9d4cb41d8e13f7265fcad35db9db281583e7005258c2afe632e1646a6e8ddd745159103ea77ca0f9ac44d2e3eee7ba546a497ef043ef7b242176256733

  • C:\windows\hosts.exe

    Filesize

    339KB

    MD5

    9e3b8ef88d83cdc120152b29e11d5f52

    SHA1

    45702b6572f8a6d27523c32469c27ae7c13eac1a

    SHA256

    27c73dc9c28185fe9e7281e4df2f0088f9c4a5580a13e580bd1081d907da2432

    SHA512

    a6b79b9d4cb41d8e13f7265fcad35db9db281583e7005258c2afe632e1646a6e8ddd745159103ea77ca0f9ac44d2e3eee7ba546a497ef043ef7b242176256733

  • \??\c:\windows\W_X_C.bat

    Filesize

    336B

    MD5

    4db9f8b6175722b62ececeeeba1ce307

    SHA1

    3b3ba8414706e72a6fa19e884a97b87609e11e47

    SHA256

    d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

    SHA512

    1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

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

    Filesize

    339KB

    MD5

    20a5c36d042240befcf51e9b3510ce4d

    SHA1

    85fc0f5619d2af33ae6e14ec0df9990279e11a91

    SHA256

    6f2b310cc758a8b4dfae2661e9e0a8dfe14f2edcf622a8dd555ddc67a2978499

    SHA512

    1be7ee2495c1e34b9f764c1b1d301e84360efb92f7b7962f8e4c028838e8b932d0c2bf85fe293b622329a20ab783cbf87a744aed10b89d6614253b5f8cc722d7

  • memory/316-108-0x0000000000000000-mapping.dmp

  • memory/628-76-0x0000000000000000-mapping.dmp

  • memory/664-86-0x0000000000000000-mapping.dmp

  • memory/756-74-0x0000000000000000-mapping.dmp

  • memory/820-113-0x0000000000000000-mapping.dmp

  • memory/832-91-0x0000000000000000-mapping.dmp

  • memory/888-68-0x0000000000000000-mapping.dmp

  • memory/900-119-0x0000000000000000-mapping.dmp

  • memory/952-111-0x0000000000000000-mapping.dmp

  • memory/1068-90-0x0000000000000000-mapping.dmp

  • memory/1116-61-0x0000000000000000-mapping.dmp

  • memory/1156-114-0x0000000000000000-mapping.dmp

  • memory/1220-57-0x0000000000000000-mapping.dmp

  • memory/1220-110-0x0000000000000000-mapping.dmp

  • memory/1264-103-0x0000000000000000-mapping.dmp

  • memory/1476-95-0x0000000000000000-mapping.dmp

  • memory/1496-73-0x0000000000000000-mapping.dmp

  • memory/1592-77-0x0000000000000000-mapping.dmp

  • memory/1820-106-0x0000000000000000-mapping.dmp

  • memory/1888-120-0x0000000000000000-mapping.dmp

  • memory/1904-98-0x0000000000000000-mapping.dmp

  • memory/1968-56-0x0000000075141000-0x0000000075143000-memory.dmp

    Filesize

    8KB

  • memory/1968-58-0x0000000074321000-0x0000000074323000-memory.dmp

    Filesize

    8KB