Analysis

  • max time kernel
    116s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-07-2022 12:39

General

  • Target

    4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97.exe

  • Size

    950KB

  • MD5

    cf0e6c6a9ef4fbcbb87176c02fefc0fd

  • SHA1

    65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

  • SHA256

    4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

  • SHA512

    0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    dollar.sign0001@yandex.com
  • Password:
    Believe.in.God

Signatures

  • HawkEye

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

  • NirSoft MailPassView 9 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 8 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 13 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 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 4 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 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97.exe
    "C:\Users\Admin\AppData\Local\Temp\4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Users\Admin\AppData\Local\Temp\4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97.exe
      C:\Users\Admin\AppData\Local\Temp\4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:892
      • 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:1348
        • 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 SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:680
          • 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"
            5⤵
            • Accesses Microsoft Outlook accounts
            PID:1372
          • 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"
            5⤵
              PID:960

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      102B

      MD5

      00ebe14204aa52e917994d7f7033cdc2

      SHA1

      db6ac270ea836a5623d76675f88e5a0e009ba3bd

      SHA256

      5cdbb2986fa847851ae5709373a278aff80a9215ca3ec9015efbd007e89ea675

      SHA512

      04cbf7ad817a114a32ac9f025a3725f0b9cc16ba675363f6cc62f9dde64b5aaba364223ca601d5f6a63c32dc6ac2220ef8221c1d6cc3b56729cfbe79e85b5f8b

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

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

      950KB

      MD5

      cf0e6c6a9ef4fbcbb87176c02fefc0fd

      SHA1

      65afdc5ae8e8ac6e63b715c6ec43b686dc3ad5a7

      SHA256

      4aa0b4fb7554a5dbaca53bcdc3bc6f69fd1772d444d29c5513bc95d2b49c1c97

      SHA512

      0685266bd09f178689079470081f2bbc6e292ce9778ebfebd26d45304d3d549b53f663c2ad2895bae2b4db9a7f21f41e9ddd4e71b4fd541cb044d86a2d1cdb86

    • memory/680-104-0x0000000074780000-0x0000000074D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/680-94-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/680-122-0x0000000006A85000-0x0000000006A96000-memory.dmp
      Filesize

      68KB

    • memory/680-108-0x0000000006A85000-0x0000000006A96000-memory.dmp
      Filesize

      68KB

    • memory/680-102-0x0000000074780000-0x0000000074D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/680-101-0x0000000077C90000-0x0000000077E10000-memory.dmp
      Filesize

      1.5MB

    • memory/680-85-0x00000000004D5CFD-mapping.dmp
    • memory/680-98-0x0000000000530000-0x00000000005C0000-memory.dmp
      Filesize

      576KB

    • memory/892-69-0x0000000077C90000-0x0000000077E10000-memory.dmp
      Filesize

      1.5MB

    • memory/892-58-0x00000000004D5CFD-mapping.dmp
    • memory/892-63-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/892-77-0x0000000077C90000-0x0000000077E10000-memory.dmp
      Filesize

      1.5MB

    • memory/892-78-0x0000000074E60000-0x000000007540B000-memory.dmp
      Filesize

      5.7MB

    • memory/892-66-0x0000000006690000-0x0000000006720000-memory.dmp
      Filesize

      576KB

    • memory/892-70-0x0000000077C90000-0x0000000077E10000-memory.dmp
      Filesize

      1.5MB

    • memory/892-71-0x0000000074E60000-0x000000007540B000-memory.dmp
      Filesize

      5.7MB

    • memory/960-114-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/960-118-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/960-121-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/960-115-0x0000000000442628-mapping.dmp
    • memory/1064-59-0x0000000077C90000-0x0000000077E10000-memory.dmp
      Filesize

      1.5MB

    • memory/1064-57-0x00000000003E0000-0x00000000003E6000-memory.dmp
      Filesize

      24KB

    • memory/1064-56-0x00000000769D1000-0x00000000769D3000-memory.dmp
      Filesize

      8KB

    • memory/1348-73-0x0000000000000000-mapping.dmp
    • memory/1348-87-0x0000000077C90000-0x0000000077E10000-memory.dmp
      Filesize

      1.5MB

    • memory/1372-113-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1372-112-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1372-110-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1372-105-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1372-106-0x0000000000411654-mapping.dmp