Analysis

  • max time kernel
    218s
  • max time network
    323s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:38

General

  • Target

    452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d.exe

  • Size

    678KB

  • MD5

    51e267ff5e27f6cdf799a759c96e4567

  • SHA1

    adfc786b1baed0e34ac7a085eacef067a605fa72

  • SHA256

    452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d

  • SHA512

    88be6b5ab809a4922f86689c289d3715dc6ad589913c6e0ff1a2cf3f20f7172a7104aca7e979bc4e372f173736e5e1a16927664b2445294f57cb1b07fd4360e4

  • SSDEEP

    12288:2xdZl/ZqmGhIS0NCGD9kKsO7v6mDkFEzzEDhagRWsk:8D0beSQL3sWTkF6AVagVk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    noohkxueuadadesg

Signatures

  • HawkEye

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

  • NirSoft MailPassView 15 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 15 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 20 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d.exe
    "C:\Users\Admin\AppData\Local\Temp\452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Users\Admin\AppData\Local\Temp\452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d.exe
      "C:\Users\Admin\AppData\Local\Temp\452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:704
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1752
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
          PID:700
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IpOverUsbSvrc.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IpOverUsbSvrc.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1844
        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1328
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe"
            4⤵
            • Executes dropped EXE
            PID:1636
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IpOverUsbSvrc.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IpOverUsbSvrc.exe"
            4⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            PID:396

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      678KB

      MD5

      51e267ff5e27f6cdf799a759c96e4567

      SHA1

      adfc786b1baed0e34ac7a085eacef067a605fa72

      SHA256

      452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d

      SHA512

      88be6b5ab809a4922f86689c289d3715dc6ad589913c6e0ff1a2cf3f20f7172a7104aca7e979bc4e372f173736e5e1a16927664b2445294f57cb1b07fd4360e4

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      678KB

      MD5

      51e267ff5e27f6cdf799a759c96e4567

      SHA1

      adfc786b1baed0e34ac7a085eacef067a605fa72

      SHA256

      452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d

      SHA512

      88be6b5ab809a4922f86689c289d3715dc6ad589913c6e0ff1a2cf3f20f7172a7104aca7e979bc4e372f173736e5e1a16927664b2445294f57cb1b07fd4360e4

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      678KB

      MD5

      51e267ff5e27f6cdf799a759c96e4567

      SHA1

      adfc786b1baed0e34ac7a085eacef067a605fa72

      SHA256

      452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d

      SHA512

      88be6b5ab809a4922f86689c289d3715dc6ad589913c6e0ff1a2cf3f20f7172a7104aca7e979bc4e372f173736e5e1a16927664b2445294f57cb1b07fd4360e4

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IpOverUsbSvrc.exe

      Filesize

      17KB

      MD5

      fd03ff313a655e0b59dce81044bc6341

      SHA1

      0fa0dc26876f636956c3de82685bdbbc8ad3ef86

      SHA256

      1f1c8c1458eaee47a448513db52ddb536406146d48793c3c24f41eb72b13cec9

      SHA512

      00fdf54987cb8abd0c68619e02991aeb50e5509ea56b0e5fa613ac29fddcc57c585cd0e5be055cb5c6563828b6a631666fe6e7004dada7607ddd903659264ddd

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IpOverUsbSvrc.exe

      Filesize

      17KB

      MD5

      fd03ff313a655e0b59dce81044bc6341

      SHA1

      0fa0dc26876f636956c3de82685bdbbc8ad3ef86

      SHA256

      1f1c8c1458eaee47a448513db52ddb536406146d48793c3c24f41eb72b13cec9

      SHA512

      00fdf54987cb8abd0c68619e02991aeb50e5509ea56b0e5fa613ac29fddcc57c585cd0e5be055cb5c6563828b6a631666fe6e7004dada7607ddd903659264ddd

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IpOverUsbSvrc.exe

      Filesize

      17KB

      MD5

      fd03ff313a655e0b59dce81044bc6341

      SHA1

      0fa0dc26876f636956c3de82685bdbbc8ad3ef86

      SHA256

      1f1c8c1458eaee47a448513db52ddb536406146d48793c3c24f41eb72b13cec9

      SHA512

      00fdf54987cb8abd0c68619e02991aeb50e5509ea56b0e5fa613ac29fddcc57c585cd0e5be055cb5c6563828b6a631666fe6e7004dada7607ddd903659264ddd

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\Acctres.exe

      Filesize

      678KB

      MD5

      51e267ff5e27f6cdf799a759c96e4567

      SHA1

      adfc786b1baed0e34ac7a085eacef067a605fa72

      SHA256

      452cdd21fdb616758bdcfe0972549a573cea280732ed3c8920d5d69583f64c7d

      SHA512

      88be6b5ab809a4922f86689c289d3715dc6ad589913c6e0ff1a2cf3f20f7172a7104aca7e979bc4e372f173736e5e1a16927664b2445294f57cb1b07fd4360e4

    • \Users\Admin\AppData\Roaming\Microsoft\Windows\IpOverUsbSvrc.exe

      Filesize

      17KB

      MD5

      fd03ff313a655e0b59dce81044bc6341

      SHA1

      0fa0dc26876f636956c3de82685bdbbc8ad3ef86

      SHA256

      1f1c8c1458eaee47a448513db52ddb536406146d48793c3c24f41eb72b13cec9

      SHA512

      00fdf54987cb8abd0c68619e02991aeb50e5509ea56b0e5fa613ac29fddcc57c585cd0e5be055cb5c6563828b6a631666fe6e7004dada7607ddd903659264ddd

    • memory/396-127-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/396-121-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/396-109-0x0000000000000000-mapping.dmp

    • memory/700-96-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/700-123-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/700-97-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/700-93-0x0000000000442628-mapping.dmp

    • memory/700-92-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/704-63-0x000000000047EAAE-mapping.dmp

    • memory/704-84-0x0000000000585000-0x0000000000596000-memory.dmp

      Filesize

      68KB

    • memory/704-74-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/704-67-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/704-65-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/704-62-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/704-57-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/704-76-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/704-61-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/704-60-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/704-58-0x0000000000400000-0x0000000000484000-memory.dmp

      Filesize

      528KB

    • memory/704-98-0x0000000000585000-0x0000000000596000-memory.dmp

      Filesize

      68KB

    • memory/1320-54-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

      Filesize

      8KB

    • memory/1320-56-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1320-55-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1328-83-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1328-91-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1328-80-0x0000000000000000-mapping.dmp

    • memory/1636-125-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1636-122-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1636-106-0x000000000047EAAE-mapping.dmp

    • memory/1636-119-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1636-110-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1636-116-0x0000000000080000-0x0000000000104000-memory.dmp

      Filesize

      528KB

    • memory/1752-85-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1752-86-0x0000000000411654-mapping.dmp

    • memory/1752-89-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1752-90-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1752-126-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1844-99-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1844-77-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1844-75-0x0000000074E40000-0x00000000753EB000-memory.dmp

      Filesize

      5.7MB

    • memory/1844-70-0x0000000000000000-mapping.dmp