Analysis

  • max time kernel
    107s
  • max time network
    112s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 05:51

General

  • Target

    58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c.exe

  • Size

    942KB

  • MD5

    fe102c4357ee207448dc6a7a99d18a9e

  • SHA1

    bf4559a3607b74e60dd4cdf832ecf07d19669e96

  • SHA256

    58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

  • SHA512

    d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    jesus4ever

Signatures

  • HawkEye

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

  • NirSoft MailPassView 8 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 12 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\58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c.exe
    "C:\Users\Admin\AppData\Local\Temp\58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c.exe
      C:\Users\Admin\AppData\Local\Temp\58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1900
      • 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:1404
        • 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:1220
          • 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:1804
          • 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:1088

    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

      fd27d78eb7b34809cf9e572d121e0b62

      SHA1

      a17999b8a12e35dc07c1f0d19087cb92b0b4d76f

      SHA256

      ab607480562fa7b157413f61d9d5fa1d0aed10b4f0c631f6288b37e3e3543f9b

      SHA512

      6fa6878cc41478ed452f0e5807bd57c3d1dcb521ab2a0ce1289bcd53dbf53eba1b472374442b1d9597c2f3403d1fc7c0d29fc232b26aa54dbff5e42ffe28afc6

    • 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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

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

      942KB

      MD5

      fe102c4357ee207448dc6a7a99d18a9e

      SHA1

      bf4559a3607b74e60dd4cdf832ecf07d19669e96

      SHA256

      58fe2c7eddb9e31a670eee8397031608f6f1bb30dc1b92df6565551f0118599c

      SHA512

      d3f51948171348ff59738f6ac9e51fa7c341fb77066966ed3ccf884364305e56d494bc8b3a8b1437aa3476cc50a430950a17e604796daa15b70f6afca6ad95d1

    • memory/1088-124-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1088-121-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1088-118-0x0000000000442628-mapping.dmp
    • memory/1088-117-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1220-101-0x0000000008D50000-0x0000000009848000-memory.dmp
      Filesize

      11.0MB

    • memory/1220-111-0x0000000006D15000-0x0000000006D26000-memory.dmp
      Filesize

      68KB

    • memory/1220-85-0x00000000004D343B-mapping.dmp
    • memory/1220-125-0x0000000006D15000-0x0000000006D26000-memory.dmp
      Filesize

      68KB

    • memory/1220-115-0x00000000741C0000-0x000000007476B000-memory.dmp
      Filesize

      5.7MB

    • memory/1220-114-0x00000000777F0000-0x0000000077970000-memory.dmp
      Filesize

      1.5MB

    • memory/1220-113-0x00000000777F0000-0x0000000077970000-memory.dmp
      Filesize

      1.5MB

    • memory/1220-94-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/1220-98-0x0000000001F60000-0x0000000001FF0000-memory.dmp
      Filesize

      576KB

    • memory/1220-102-0x00000000777F0000-0x0000000077970000-memory.dmp
      Filesize

      1.5MB

    • memory/1220-103-0x00000000741C0000-0x000000007476B000-memory.dmp
      Filesize

      5.7MB

    • memory/1404-87-0x00000000777F0000-0x0000000077970000-memory.dmp
      Filesize

      1.5MB

    • memory/1404-73-0x0000000000000000-mapping.dmp
    • memory/1804-106-0x0000000000411654-mapping.dmp
    • memory/1804-112-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1804-116-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1804-109-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1804-105-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1900-66-0x0000000001E50000-0x0000000001EE0000-memory.dmp
      Filesize

      576KB

    • memory/1900-69-0x00000000777F0000-0x0000000077970000-memory.dmp
      Filesize

      1.5MB

    • memory/1900-58-0x00000000004D343B-mapping.dmp
    • memory/1900-63-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/1900-70-0x00000000777F0000-0x0000000077970000-memory.dmp
      Filesize

      1.5MB

    • memory/1900-78-0x0000000074770000-0x0000000074D1B000-memory.dmp
      Filesize

      5.7MB

    • memory/1900-77-0x00000000777F0000-0x0000000077970000-memory.dmp
      Filesize

      1.5MB

    • memory/1900-71-0x0000000074770000-0x0000000074D1B000-memory.dmp
      Filesize

      5.7MB

    • memory/1976-56-0x0000000075321000-0x0000000075323000-memory.dmp
      Filesize

      8KB

    • memory/1976-57-0x0000000001DA0000-0x0000000001DA6000-memory.dmp
      Filesize

      24KB

    • memory/1976-59-0x00000000777F0000-0x0000000077970000-memory.dmp
      Filesize

      1.5MB