Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    14-07-2022 03:21

General

  • Target

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c.exe

  • Size

    773KB

  • MD5

    919fad47fb64a39ead7e17dfbe4cfc06

  • SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

  • SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

  • SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c.exe
    "C:\Users\Admin\AppData\Local\Temp\4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c.exe
      C:\Users\Admin\AppData\Local\Temp\4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:848
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of UnmapMainImage
          PID:552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt

    Filesize

    102B

    MD5

    1ecd6816a51877ed449c46e97da68163

    SHA1

    ead75fb308c112ddd346330050e5dbcc56cb8246

    SHA256

    aab13006a002ff3b7708c6a90f67752834c25aa4f6822f54531133fa4ea1f481

    SHA512

    b989bd5df9e706adcb51cde8c052fc7e7b7829ffc010377acf2fffd85c3ca282324c26f8557c1cccf1cdd005fdb65ff7252c47769fd5df151c246adecf4cfac8

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • \Users\Admin\AppData\Roaming\Windows Update.exe

    Filesize

    773KB

    MD5

    919fad47fb64a39ead7e17dfbe4cfc06

    SHA1

    5397ecbfee38cc27ad328c80de850a1da0334734

    SHA256

    4858c75de20e121e8fea9996ad070ee4759764b46cc247687bf42af3ac08c46c

    SHA512

    d0e0b93b39730a6ba98f1af3af0d10948c4fe036b940fc3520ad7a667a94641c447fdcb66ee0716b632bec2cb588594e884f1ba58a23f8d2eea5de0666775005

  • memory/552-104-0x0000000074390000-0x000000007493B000-memory.dmp

    Filesize

    5.7MB

  • memory/552-103-0x00000000778E0000-0x0000000077A60000-memory.dmp

    Filesize

    1.5MB

  • memory/552-102-0x00000000778E0000-0x0000000077A60000-memory.dmp

    Filesize

    1.5MB

  • memory/552-101-0x0000000008C60000-0x0000000009758000-memory.dmp

    Filesize

    11.0MB

  • memory/552-98-0x0000000000482000-0x000000000050A000-memory.dmp

    Filesize

    544KB

  • memory/552-99-0x0000000000480000-0x0000000000510000-memory.dmp

    Filesize

    576KB

  • memory/552-94-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/848-88-0x00000000778E0000-0x0000000077A60000-memory.dmp

    Filesize

    1.5MB

  • memory/1456-69-0x00000000778E0000-0x0000000077A60000-memory.dmp

    Filesize

    1.5MB

  • memory/1456-63-0x0000000000400000-0x0000000000477000-memory.dmp

    Filesize

    476KB

  • memory/1456-66-0x00000000000E0000-0x0000000000170000-memory.dmp

    Filesize

    576KB

  • memory/1456-70-0x00000000778E0000-0x0000000077A60000-memory.dmp

    Filesize

    1.5MB

  • memory/1456-78-0x0000000074940000-0x0000000074EEB000-memory.dmp

    Filesize

    5.7MB

  • memory/1456-77-0x00000000778E0000-0x0000000077A60000-memory.dmp

    Filesize

    1.5MB

  • memory/1456-71-0x0000000074940000-0x0000000074EEB000-memory.dmp

    Filesize

    5.7MB

  • memory/1948-56-0x0000000000280000-0x0000000000288000-memory.dmp

    Filesize

    32KB

  • memory/1948-59-0x00000000778E0000-0x0000000077A60000-memory.dmp

    Filesize

    1.5MB

  • memory/1948-57-0x0000000076571000-0x0000000076573000-memory.dmp

    Filesize

    8KB