Analysis

  • max time kernel
    129s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 17:19

General

  • Target

    f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986.exe

  • Size

    818KB

  • MD5

    6062dc511ee11c084d877c618b6f637e

  • SHA1

    e26c5ec4e5998664fdc76b53328edba1ae68dd9c

  • SHA256

    f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

  • SHA512

    9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

  • SSDEEP

    12288:R8zibupKhPNNIyREr8N4fl59u9CXBLBCi34bK:uWYwHyPl5HXBLCbK

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    kennedey.isaac@yandex.com
  • Password:
    jozo2018

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\f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986.exe
    "C:\Users\Admin\AppData\Local\Temp\f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Users\Admin\AppData\Local\Temp\f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986.exe
      C:\Users\Admin\AppData\Local\Temp\f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986.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:1356
        • 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:1904
          • 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:1624

    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

      7e29fd778f687f6d25f960a23f513445

      SHA1

      9959c6bbd29ec671830c1df4248afae2e29bec08

      SHA256

      c29d4b40e9009d928dca0d15daff985dd908d1940a65a2247aa2c23232f89966

      SHA512

      52c2f8bb94cd1d7944bfaa83adb12181a1108c37fe307e137150cfc569c71dd1f21c06ebad7e338b9407aca5e03294ab49d15b0e44e130b28a4a8cb6f46a0bba

    • 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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

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

      818KB

      MD5

      6062dc511ee11c084d877c618b6f637e

      SHA1

      e26c5ec4e5998664fdc76b53328edba1ae68dd9c

      SHA256

      f377b662db76cfcf5509a41f8e09674c55bd71e251745e5ff5d1328a2c015986

      SHA512

      9047075cbd1cd82e177daa56c187bc8b4a61a21c0c9cd13f2538e7630aef55a270a7852c063f4264dd6dcb73718f8a914eed05a0916404702107a5ce890b7cfd

    • memory/1112-56-0x0000000000280000-0x0000000000287000-memory.dmp
      Filesize

      28KB

    • memory/1112-57-0x0000000075B11000-0x0000000075B13000-memory.dmp
      Filesize

      8KB

    • memory/1112-59-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

    • memory/1220-114-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

    • memory/1220-102-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

    • memory/1220-104-0x00000000743E0000-0x000000007498B000-memory.dmp
      Filesize

      5.7MB

    • memory/1220-85-0x00000000004A9355-mapping.dmp
    • memory/1220-116-0x00000000743E0000-0x000000007498B000-memory.dmp
      Filesize

      5.7MB

    • memory/1220-113-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

    • memory/1220-109-0x0000000006D75000-0x0000000006D86000-memory.dmp
      Filesize

      68KB

    • memory/1220-126-0x0000000006D75000-0x0000000006D86000-memory.dmp
      Filesize

      68KB

    • memory/1220-103-0x0000000008DB0000-0x00000000098A8000-memory.dmp
      Filesize

      11.0MB

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

      476KB

    • memory/1220-98-0x0000000006840000-0x00000000068D0000-memory.dmp
      Filesize

      576KB

    • memory/1220-100-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

    • memory/1356-73-0x0000000000000000-mapping.dmp
    • memory/1356-88-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

    • memory/1456-66-0x0000000002660000-0x00000000026F0000-memory.dmp
      Filesize

      576KB

    • memory/1456-69-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

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

      476KB

    • memory/1456-70-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

    • memory/1456-58-0x00000000004A9355-mapping.dmp
    • memory/1456-71-0x0000000074780000-0x0000000074D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/1456-77-0x0000000074780000-0x0000000074D2B000-memory.dmp
      Filesize

      5.7MB

    • memory/1456-76-0x00000000775C0000-0x0000000077740000-memory.dmp
      Filesize

      1.5MB

    • memory/1624-118-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1624-119-0x0000000000442628-mapping.dmp
    • memory/1624-122-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1624-125-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1904-115-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1904-117-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1904-106-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1904-111-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1904-107-0x0000000000411654-mapping.dmp