Analysis

  • max time kernel
    150s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 06:44

General

  • Target

    d864c770b13f2ec248d0304c70482a3da4b77045ac5fe6f18477f4f99bc7990c.exe

  • Size

    159KB

  • MD5

    1b28fc597bf19d9c96be3ecd8424de63

  • SHA1

    66bcfe8638912a0991911aab7cb2f95fe9245df7

  • SHA256

    d864c770b13f2ec248d0304c70482a3da4b77045ac5fe6f18477f4f99bc7990c

  • SHA512

    a128c6b3243c9bce2aefd85b57650f4e7dcfee574860902daa1d1a7832d8e964d3d32c1446d68c737eaa9d6ba734e26592af174fae5c2917c47432928b077cf0

  • SSDEEP

    3072:EZ4++394Pf3xI2fmFxaQOjCr33x0hB1ARNUYzdpQMJrly:EZ4++3y30FxLZHyhBKRiUVrl

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d864c770b13f2ec248d0304c70482a3da4b77045ac5fe6f18477f4f99bc7990c.exe
    "C:\Users\Admin\AppData\Local\Temp\d864c770b13f2ec248d0304c70482a3da4b77045ac5fe6f18477f4f99bc7990c.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\exploeer.exe
      "C:\Windows\system32\exploeer.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • outlook_win_path
      PID:2020
    • C:\Windows\SysWOW64\svcosht.exe
      "C:\Windows\system32\svcosht.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\taskmgr.exe
        "C:\Windows\System32\taskmgr.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:520
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2040
    • C:\Windows\SysWOW64\tmp365.exe
      "C:\Windows\system32\tmp365.exe"
      2⤵
      • Executes dropped EXE
      PID:1892
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\154.bat" "
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:1140

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\154.bat

            Filesize

            202B

            MD5

            79e0ef5a1950dd58e2829598afb11234

            SHA1

            40607fead16485e98f48892ee758e23c84122169

            SHA256

            b8932703e12009b1e2b1b952381a94b578049428e12b4628ed4936703a764fbb

            SHA512

            ba7ea18ce16a5b9e099fd228e8e213d0dabc86f02118aa64a4feb48dad9aaa2add774759ace0953987954fe16d86b86e1ed056762c34bb8eedc924ef734a945c

          • C:\Windows\SysWOW64\exploeer.exe

            Filesize

            49KB

            MD5

            65f249453ee71eb0af5f2cfa150034d7

            SHA1

            69257dde5c7db194a4da40630c6bc79c9133969a

            SHA256

            27857442d424244ad76773413922dcbc3c1e61a14a67fce07aa1703e54739d7c

            SHA512

            5040d3a49bd1d2c095f2ebc35e08267d2f6c43c04f5b9c71772d531fe3910404b3193ee967d99bf0a6dbb1841f9997b60e3f5c28894e66600b361fdbfd111bdf

          • C:\Windows\SysWOW64\exploeer.exe

            Filesize

            49KB

            MD5

            65f249453ee71eb0af5f2cfa150034d7

            SHA1

            69257dde5c7db194a4da40630c6bc79c9133969a

            SHA256

            27857442d424244ad76773413922dcbc3c1e61a14a67fce07aa1703e54739d7c

            SHA512

            5040d3a49bd1d2c095f2ebc35e08267d2f6c43c04f5b9c71772d531fe3910404b3193ee967d99bf0a6dbb1841f9997b60e3f5c28894e66600b361fdbfd111bdf

          • C:\Windows\SysWOW64\svcosht.exe

            Filesize

            90KB

            MD5

            473cf349838e0c1e2384c9376b0026da

            SHA1

            9e55f38d9f7a75adaa178d081f25598855784873

            SHA256

            5841d5c82c41579054e75210fe8b7e9ddc02617720a50f0281bb73f813da0f2f

            SHA512

            9ae5a100da74d124c5c2ea80587ff3c3722d8bf2b10c8ba10c6204bb1d13807cc75f22c38ed8a784bb750eb6402e36311cda29be1e470ea13b3adb32a4c5be7b

          • C:\Windows\SysWOW64\svcosht.exe

            Filesize

            90KB

            MD5

            473cf349838e0c1e2384c9376b0026da

            SHA1

            9e55f38d9f7a75adaa178d081f25598855784873

            SHA256

            5841d5c82c41579054e75210fe8b7e9ddc02617720a50f0281bb73f813da0f2f

            SHA512

            9ae5a100da74d124c5c2ea80587ff3c3722d8bf2b10c8ba10c6204bb1d13807cc75f22c38ed8a784bb750eb6402e36311cda29be1e470ea13b3adb32a4c5be7b

          • C:\Windows\SysWOW64\tmp365.exe

            Filesize

            2KB

            MD5

            cdb8fe750d0d826239e301cfe87098a0

            SHA1

            310db85dc5fb427a5504ec269b4a1aab68b0f61a

            SHA256

            b3de9431a920ffc49d229d0dbf3bc9741b05a17d686908b7927426bf1a74f22c

            SHA512

            494ab9d88451e2c0e241823061924ee9204821830ed23968121e56ee46b86bfbb0fcccf243102371aefdf299571725e55f3310e7053607bcf9750f69a3fd55fa

          • C:\Windows\SysWOW64\tmp365.exe

            Filesize

            2KB

            MD5

            cdb8fe750d0d826239e301cfe87098a0

            SHA1

            310db85dc5fb427a5504ec269b4a1aab68b0f61a

            SHA256

            b3de9431a920ffc49d229d0dbf3bc9741b05a17d686908b7927426bf1a74f22c

            SHA512

            494ab9d88451e2c0e241823061924ee9204821830ed23968121e56ee46b86bfbb0fcccf243102371aefdf299571725e55f3310e7053607bcf9750f69a3fd55fa

          • \Windows\SysWOW64\exploeer.exe

            Filesize

            49KB

            MD5

            65f249453ee71eb0af5f2cfa150034d7

            SHA1

            69257dde5c7db194a4da40630c6bc79c9133969a

            SHA256

            27857442d424244ad76773413922dcbc3c1e61a14a67fce07aa1703e54739d7c

            SHA512

            5040d3a49bd1d2c095f2ebc35e08267d2f6c43c04f5b9c71772d531fe3910404b3193ee967d99bf0a6dbb1841f9997b60e3f5c28894e66600b361fdbfd111bdf

          • \Windows\SysWOW64\exploeer.exe

            Filesize

            49KB

            MD5

            65f249453ee71eb0af5f2cfa150034d7

            SHA1

            69257dde5c7db194a4da40630c6bc79c9133969a

            SHA256

            27857442d424244ad76773413922dcbc3c1e61a14a67fce07aa1703e54739d7c

            SHA512

            5040d3a49bd1d2c095f2ebc35e08267d2f6c43c04f5b9c71772d531fe3910404b3193ee967d99bf0a6dbb1841f9997b60e3f5c28894e66600b361fdbfd111bdf

          • \Windows\SysWOW64\exploeer.exe

            Filesize

            49KB

            MD5

            65f249453ee71eb0af5f2cfa150034d7

            SHA1

            69257dde5c7db194a4da40630c6bc79c9133969a

            SHA256

            27857442d424244ad76773413922dcbc3c1e61a14a67fce07aa1703e54739d7c

            SHA512

            5040d3a49bd1d2c095f2ebc35e08267d2f6c43c04f5b9c71772d531fe3910404b3193ee967d99bf0a6dbb1841f9997b60e3f5c28894e66600b361fdbfd111bdf

          • \Windows\SysWOW64\exploeer.exe

            Filesize

            49KB

            MD5

            65f249453ee71eb0af5f2cfa150034d7

            SHA1

            69257dde5c7db194a4da40630c6bc79c9133969a

            SHA256

            27857442d424244ad76773413922dcbc3c1e61a14a67fce07aa1703e54739d7c

            SHA512

            5040d3a49bd1d2c095f2ebc35e08267d2f6c43c04f5b9c71772d531fe3910404b3193ee967d99bf0a6dbb1841f9997b60e3f5c28894e66600b361fdbfd111bdf

          • \Windows\SysWOW64\svcosht.exe

            Filesize

            90KB

            MD5

            473cf349838e0c1e2384c9376b0026da

            SHA1

            9e55f38d9f7a75adaa178d081f25598855784873

            SHA256

            5841d5c82c41579054e75210fe8b7e9ddc02617720a50f0281bb73f813da0f2f

            SHA512

            9ae5a100da74d124c5c2ea80587ff3c3722d8bf2b10c8ba10c6204bb1d13807cc75f22c38ed8a784bb750eb6402e36311cda29be1e470ea13b3adb32a4c5be7b

          • \Windows\SysWOW64\svcosht.exe

            Filesize

            90KB

            MD5

            473cf349838e0c1e2384c9376b0026da

            SHA1

            9e55f38d9f7a75adaa178d081f25598855784873

            SHA256

            5841d5c82c41579054e75210fe8b7e9ddc02617720a50f0281bb73f813da0f2f

            SHA512

            9ae5a100da74d124c5c2ea80587ff3c3722d8bf2b10c8ba10c6204bb1d13807cc75f22c38ed8a784bb750eb6402e36311cda29be1e470ea13b3adb32a4c5be7b

          • \Windows\SysWOW64\svcosht.exe

            Filesize

            90KB

            MD5

            473cf349838e0c1e2384c9376b0026da

            SHA1

            9e55f38d9f7a75adaa178d081f25598855784873

            SHA256

            5841d5c82c41579054e75210fe8b7e9ddc02617720a50f0281bb73f813da0f2f

            SHA512

            9ae5a100da74d124c5c2ea80587ff3c3722d8bf2b10c8ba10c6204bb1d13807cc75f22c38ed8a784bb750eb6402e36311cda29be1e470ea13b3adb32a4c5be7b

          • \Windows\SysWOW64\svcosht.exe

            Filesize

            90KB

            MD5

            473cf349838e0c1e2384c9376b0026da

            SHA1

            9e55f38d9f7a75adaa178d081f25598855784873

            SHA256

            5841d5c82c41579054e75210fe8b7e9ddc02617720a50f0281bb73f813da0f2f

            SHA512

            9ae5a100da74d124c5c2ea80587ff3c3722d8bf2b10c8ba10c6204bb1d13807cc75f22c38ed8a784bb750eb6402e36311cda29be1e470ea13b3adb32a4c5be7b

          • \Windows\SysWOW64\tmp365.exe

            Filesize

            2KB

            MD5

            cdb8fe750d0d826239e301cfe87098a0

            SHA1

            310db85dc5fb427a5504ec269b4a1aab68b0f61a

            SHA256

            b3de9431a920ffc49d229d0dbf3bc9741b05a17d686908b7927426bf1a74f22c

            SHA512

            494ab9d88451e2c0e241823061924ee9204821830ed23968121e56ee46b86bfbb0fcccf243102371aefdf299571725e55f3310e7053607bcf9750f69a3fd55fa

          • \Windows\SysWOW64\tmp365.exe

            Filesize

            2KB

            MD5

            cdb8fe750d0d826239e301cfe87098a0

            SHA1

            310db85dc5fb427a5504ec269b4a1aab68b0f61a

            SHA256

            b3de9431a920ffc49d229d0dbf3bc9741b05a17d686908b7927426bf1a74f22c

            SHA512

            494ab9d88451e2c0e241823061924ee9204821830ed23968121e56ee46b86bfbb0fcccf243102371aefdf299571725e55f3310e7053607bcf9750f69a3fd55fa

          • \Windows\SysWOW64\tmp365.exe

            Filesize

            2KB

            MD5

            cdb8fe750d0d826239e301cfe87098a0

            SHA1

            310db85dc5fb427a5504ec269b4a1aab68b0f61a

            SHA256

            b3de9431a920ffc49d229d0dbf3bc9741b05a17d686908b7927426bf1a74f22c

            SHA512

            494ab9d88451e2c0e241823061924ee9204821830ed23968121e56ee46b86bfbb0fcccf243102371aefdf299571725e55f3310e7053607bcf9750f69a3fd55fa

          • memory/520-94-0x00000000002C0000-0x00000000002C3000-memory.dmp

            Filesize

            12KB

          • memory/520-98-0x00000000030F0000-0x0000000003142000-memory.dmp

            Filesize

            328KB

          • memory/520-92-0x0000000003480000-0x0000000003500000-memory.dmp

            Filesize

            512KB

          • memory/520-90-0x0000000003480000-0x0000000003500000-memory.dmp

            Filesize

            512KB

          • memory/520-93-0x00000000030F0000-0x0000000003142000-memory.dmp

            Filesize

            328KB

          • memory/520-91-0x00000000030F0000-0x0000000003142000-memory.dmp

            Filesize

            328KB

          • memory/520-99-0x00000000002C0000-0x00000000002C3000-memory.dmp

            Filesize

            12KB

          • memory/1060-71-0x0000000000400000-0x0000000000427200-memory.dmp

            Filesize

            156KB

          • memory/1060-54-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

            Filesize

            8KB

          • memory/1060-72-0x0000000017180000-0x00000000171A8000-memory.dmp

            Filesize

            160KB

          • memory/1892-97-0x0000000000400000-0x0000000000403000-memory.dmp

            Filesize

            12KB

          • memory/1892-81-0x0000000000400000-0x0000000000403000-memory.dmp

            Filesize

            12KB

          • memory/2020-78-0x0000000000400000-0x0000000000480000-memory.dmp

            Filesize

            512KB

          • memory/2020-95-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/2020-79-0x0000000017180000-0x000000001718D000-memory.dmp

            Filesize

            52KB

          • memory/2028-80-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB

          • memory/2028-96-0x0000000000400000-0x0000000000452000-memory.dmp

            Filesize

            328KB

          • memory/2028-82-0x0000000017180000-0x0000000017197000-memory.dmp

            Filesize

            92KB