Analysis

  • max time kernel
    189s
  • max time network
    110s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:32

General

  • Target

    82d15dc51edd2b0fd89f3908255cd397d6a7ab086f755fd220274b0293c3614c.exe

  • Size

    208KB

  • MD5

    0c6c3a059440685979a2a4b68f290fc0

  • SHA1

    eb190a51e811de586056ef32ed540ee8f2fd8b9c

  • SHA256

    82d15dc51edd2b0fd89f3908255cd397d6a7ab086f755fd220274b0293c3614c

  • SHA512

    89aebb79c54cbf791be78e1329f879ce6717929b3de0e53a910f6b45942ae73de60a0d6aeda7f06f6d3f148bee53a8e70dac7593048dde9658a86f734b811781

  • SSDEEP

    1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 17 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82d15dc51edd2b0fd89f3908255cd397d6a7ab086f755fd220274b0293c3614c.exe
    "C:\Users\Admin\AppData\Local\Temp\82d15dc51edd2b0fd89f3908255cd397d6a7ab086f755fd220274b0293c3614c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\82d15dc51edd2b0fd89f3908255cd397d6a7ab086f755fd220274b0293c3614c.exe
      "C:\Users\Admin\AppData\Local\Temp\82d15dc51edd2b0fd89f3908255cd397d6a7ab086f755fd220274b0293c3614c.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\WESRD.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1920
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svhust" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1000
      • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
        "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1800
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1108
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          PID:1516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\WESRD.bat
    Filesize

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6b56c4ffec9a7d39f451717afd685a46

    SHA1

    0454dcddf4e9ed9e730cd13adea87d6254eea190

    SHA256

    eb14ffae0115203e3af19addc0268dea3c7e78897bef163ca93f2a763c40ac4a

    SHA512

    9a13d7dddb8e8ad08c45a3772b03e1445a4d51d188fbe88faf316aab5a2471714e2fa5884fd0c05aac9be6d85918c657626a296f05c7027d77e770ec76b4b60d

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6b56c4ffec9a7d39f451717afd685a46

    SHA1

    0454dcddf4e9ed9e730cd13adea87d6254eea190

    SHA256

    eb14ffae0115203e3af19addc0268dea3c7e78897bef163ca93f2a763c40ac4a

    SHA512

    9a13d7dddb8e8ad08c45a3772b03e1445a4d51d188fbe88faf316aab5a2471714e2fa5884fd0c05aac9be6d85918c657626a296f05c7027d77e770ec76b4b60d

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6b56c4ffec9a7d39f451717afd685a46

    SHA1

    0454dcddf4e9ed9e730cd13adea87d6254eea190

    SHA256

    eb14ffae0115203e3af19addc0268dea3c7e78897bef163ca93f2a763c40ac4a

    SHA512

    9a13d7dddb8e8ad08c45a3772b03e1445a4d51d188fbe88faf316aab5a2471714e2fa5884fd0c05aac9be6d85918c657626a296f05c7027d77e770ec76b4b60d

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6b56c4ffec9a7d39f451717afd685a46

    SHA1

    0454dcddf4e9ed9e730cd13adea87d6254eea190

    SHA256

    eb14ffae0115203e3af19addc0268dea3c7e78897bef163ca93f2a763c40ac4a

    SHA512

    9a13d7dddb8e8ad08c45a3772b03e1445a4d51d188fbe88faf316aab5a2471714e2fa5884fd0c05aac9be6d85918c657626a296f05c7027d77e770ec76b4b60d

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6b56c4ffec9a7d39f451717afd685a46

    SHA1

    0454dcddf4e9ed9e730cd13adea87d6254eea190

    SHA256

    eb14ffae0115203e3af19addc0268dea3c7e78897bef163ca93f2a763c40ac4a

    SHA512

    9a13d7dddb8e8ad08c45a3772b03e1445a4d51d188fbe88faf316aab5a2471714e2fa5884fd0c05aac9be6d85918c657626a296f05c7027d77e770ec76b4b60d

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6b56c4ffec9a7d39f451717afd685a46

    SHA1

    0454dcddf4e9ed9e730cd13adea87d6254eea190

    SHA256

    eb14ffae0115203e3af19addc0268dea3c7e78897bef163ca93f2a763c40ac4a

    SHA512

    9a13d7dddb8e8ad08c45a3772b03e1445a4d51d188fbe88faf316aab5a2471714e2fa5884fd0c05aac9be6d85918c657626a296f05c7027d77e770ec76b4b60d

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6b56c4ffec9a7d39f451717afd685a46

    SHA1

    0454dcddf4e9ed9e730cd13adea87d6254eea190

    SHA256

    eb14ffae0115203e3af19addc0268dea3c7e78897bef163ca93f2a763c40ac4a

    SHA512

    9a13d7dddb8e8ad08c45a3772b03e1445a4d51d188fbe88faf316aab5a2471714e2fa5884fd0c05aac9be6d85918c657626a296f05c7027d77e770ec76b4b60d

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    6b56c4ffec9a7d39f451717afd685a46

    SHA1

    0454dcddf4e9ed9e730cd13adea87d6254eea190

    SHA256

    eb14ffae0115203e3af19addc0268dea3c7e78897bef163ca93f2a763c40ac4a

    SHA512

    9a13d7dddb8e8ad08c45a3772b03e1445a4d51d188fbe88faf316aab5a2471714e2fa5884fd0c05aac9be6d85918c657626a296f05c7027d77e770ec76b4b60d

  • memory/1000-73-0x0000000000000000-mapping.dmp
  • memory/1108-90-0x00000000004085D0-mapping.dmp
  • memory/1108-111-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1108-115-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1484-70-0x0000000076AE1000-0x0000000076AE3000-memory.dmp
    Filesize

    8KB

  • memory/1484-104-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1484-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1484-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1484-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1484-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1484-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1484-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1484-63-0x00000000004085D0-mapping.dmp
  • memory/1484-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1516-109-0x0000000074EF1000-0x0000000074EF3000-memory.dmp
    Filesize

    8KB

  • memory/1516-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1516-114-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1516-112-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1516-102-0x0000000000476940-mapping.dmp
  • memory/1516-94-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1516-100-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1516-107-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1516-92-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1516-98-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1516-110-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1800-78-0x0000000000000000-mapping.dmp
  • memory/1800-82-0x000000000061D000-0x0000000000632000-memory.dmp
    Filesize

    84KB

  • memory/1920-71-0x0000000000000000-mapping.dmp
  • memory/2016-56-0x000000000050D000-0x0000000000523000-memory.dmp
    Filesize

    88KB