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Analysis

  • max time kernel
    44s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 03:17

General

  • Target

    90842ff5174979bf8370e13bba254e6114a4852b1066593ce75dfb0acbefa3d0.exe

  • Size

    316KB

  • MD5

    4adb9dd246d5349b80bfeee99c8c6360

  • SHA1

    996ed961402317d67608ff9b63451fe32321ac5f

  • SHA256

    90842ff5174979bf8370e13bba254e6114a4852b1066593ce75dfb0acbefa3d0

  • SHA512

    7d82a57a3cce198bd7902d26cd90a58e8e2ecb2454953520c691c58a75477abd5e3845dae3d92cd80d4673a61694c56aa26f26fb13534d93bd8f352958b7a9e4

  • SSDEEP

    6144:FPeyxTYb+6PZOFyzSOEt5zpaiRhcuGE07v6n7AV:FPbZYbp8FkwNxRhTKj6ng

Malware Config

Signatures

  • ASPack v2.12-2.42 5 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • UPX packed file 12 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90842ff5174979bf8370e13bba254e6114a4852b1066593ce75dfb0acbefa3d0.exe
    "C:\Users\Admin\AppData\Local\Temp\90842ff5174979bf8370e13bba254e6114a4852b1066593ce75dfb0acbefa3d0.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\7a5d18bd.exe
      C:\7a5d18bd.exe
      2⤵
      • Executes dropped EXE
      • Sets DLL path for service in the registry
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:1824
  • C:\Windows\SysWOW64\Svchost.exe
    C:\Windows\SysWOW64\Svchost.exe -k netsvcs
    1⤵
    • Loads dropped DLL
    PID:1656

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\7a5d18bd.exe

    Filesize

    223KB

    MD5

    682bf9010065cccc656b35dcf99f59ee

    SHA1

    4e31813eba2005d98b8b1f6815ab084a2f0ed419

    SHA256

    a20ec82b149494a619b87178023c65cb6bada9bb3340f3bf280d482b12686e7d

    SHA512

    cced163b9864302cfb06fbcb877c67256585cff26b96ecd31008d3fbac769912b0f344b3658bc9eed27f63fc46163e4457ff76cd48284da44f026554259e136d

  • C:\7a5d18bd.exe

    Filesize

    223KB

    MD5

    682bf9010065cccc656b35dcf99f59ee

    SHA1

    4e31813eba2005d98b8b1f6815ab084a2f0ed419

    SHA256

    a20ec82b149494a619b87178023c65cb6bada9bb3340f3bf280d482b12686e7d

    SHA512

    cced163b9864302cfb06fbcb877c67256585cff26b96ecd31008d3fbac769912b0f344b3658bc9eed27f63fc46163e4457ff76cd48284da44f026554259e136d

  • C:\Users\Infotmp.txt

    Filesize

    724B

    MD5

    50a15d9adfebdc75c8dc14a8eca2cef4

    SHA1

    df09da6df01b4c0a531b6a5e8f2629b49df2edea

    SHA256

    f16772cc6f526f75fa03cb7e538a1aab1f44b02e778e00d220e4f0995f107867

    SHA512

    4f59b6b2e727c153172f46d4f7ba0eb7685a2d52eabcf244ba180342d38a041232066d9c775a813457f7f63a3022242f581dc5f99860c92f334082ae0c795102

  • \??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll

    Filesize

    223KB

    MD5

    e8c712fb1d83347fc0f2987e00f08c12

    SHA1

    7919630f8d12bce8473e4416a25fe1669edd8d51

    SHA256

    b54472f0d7a5112cc8a1b0611f72feb2616d36aacb8426a96a0a7446311a0265

    SHA512

    79020ea55951e4c9a0b16a48d03f0b6c331f0a69ad87a2bb83382a3b0a37878107bf6d5d6099767938ba0cedc4c7fbc2230143ffa9d0f7f89962f9893ba5e33d

  • \Windows\SysWOW64\735804B8.tmp

    Filesize

    223KB

    MD5

    e8c712fb1d83347fc0f2987e00f08c12

    SHA1

    7919630f8d12bce8473e4416a25fe1669edd8d51

    SHA256

    b54472f0d7a5112cc8a1b0611f72feb2616d36aacb8426a96a0a7446311a0265

    SHA512

    79020ea55951e4c9a0b16a48d03f0b6c331f0a69ad87a2bb83382a3b0a37878107bf6d5d6099767938ba0cedc4c7fbc2230143ffa9d0f7f89962f9893ba5e33d

  • \Windows\SysWOW64\FastUserSwitchingCompatibility.dll

    Filesize

    223KB

    MD5

    e8c712fb1d83347fc0f2987e00f08c12

    SHA1

    7919630f8d12bce8473e4416a25fe1669edd8d51

    SHA256

    b54472f0d7a5112cc8a1b0611f72feb2616d36aacb8426a96a0a7446311a0265

    SHA512

    79020ea55951e4c9a0b16a48d03f0b6c331f0a69ad87a2bb83382a3b0a37878107bf6d5d6099767938ba0cedc4c7fbc2230143ffa9d0f7f89962f9893ba5e33d

  • memory/1656-75-0x0000000074640000-0x0000000074688000-memory.dmp

    Filesize

    288KB

  • memory/1656-72-0x0000000074640000-0x0000000074688000-memory.dmp

    Filesize

    288KB

  • memory/1656-73-0x0000000074640000-0x0000000074688000-memory.dmp

    Filesize

    288KB

  • memory/1824-66-0x0000000074640000-0x0000000074688000-memory.dmp

    Filesize

    288KB

  • memory/1824-63-0x0000000001020000-0x0000000001068000-memory.dmp

    Filesize

    288KB

  • memory/1824-65-0x0000000076430000-0x0000000076490000-memory.dmp

    Filesize

    384KB

  • memory/1824-58-0x0000000001020000-0x0000000001068000-memory.dmp

    Filesize

    288KB

  • memory/1824-67-0x0000000002470000-0x0000000006470000-memory.dmp

    Filesize

    64.0MB

  • memory/1824-68-0x0000000076430000-0x0000000076490000-memory.dmp

    Filesize

    384KB

  • memory/1824-64-0x0000000002470000-0x0000000006470000-memory.dmp

    Filesize

    64.0MB

  • memory/1824-56-0x0000000075281000-0x0000000075283000-memory.dmp

    Filesize

    8KB

  • memory/1824-76-0x0000000076430000-0x0000000076490000-memory.dmp

    Filesize

    384KB

  • memory/1824-57-0x0000000001020000-0x0000000001068000-memory.dmp

    Filesize

    288KB

  • memory/1988-61-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1988-62-0x0000000000340000-0x0000000000388000-memory.dmp

    Filesize

    288KB

  • memory/1988-79-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB