Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 09:22

General

  • Target

    016pdf.exe

  • Size

    965KB

  • MD5

    6b9f05dcb104affe823d856978f70259

  • SHA1

    02e964e74c2c6715cdd06720d471189fd65bf3c1

  • SHA256

    3b02f861b2b13b5f5c3225fbfbdc82bb5848df6435a3a86ef6c0729ab16332ce

  • SHA512

    87aaff3e85110c082c57655391ea039586f0653c2e36df0ae4ea898617b6a67aab972b75578078c6b3387430d93ce714ebe67fd6f3fda738e8b1cb412460dc36

  • SSDEEP

    24576:bQj+XperrOUj6k7ZqC303O4f/YBCbeIbalTUr9geoGL:bQok7ZxsNfgMqIelTUr9geo

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.it
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Wako2j22#

Signatures

  • HawkEye

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

  • Detected Nirsoft tools 7 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

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

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\016pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\016pdf.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\QRiHLCacGFTbNOEcCNHgP.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\QRiHLCacGFTbNOEcCNHgP.exe QRiHLCacGFTbNOEcCNH
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4524
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        - vbc
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4516
        • 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"
          4⤵
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:5044
        • 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"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\QRiHLCacGFTbNOEcCNH

    Filesize

    38KB

    MD5

    cb71d94170d32307cd56427970ce478b

    SHA1

    43d853dcbf25ecdd8c1532d2450eb8a83397b101

    SHA256

    ae3b40e2836d55f52995b389a657a7424cd3f4ab9afcae6b4d5be8d6b5d441d0

    SHA512

    ed6a8c6c9f0411139d75cc3b5deee728f248402f96409b5227d136dd2ea60ee2f857335e2eeb870a82b7ed055363bf2441e2bc5e68b176fe33c68f113c7ea77a

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\QRiHLCacGFTbNOEcCNHgP.exe

    Filesize

    732KB

    MD5

    71d8f6d5dc35517275bc38ebcc815f9f

    SHA1

    cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

    SHA256

    fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

    SHA512

    4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\aGaVYhUEQHNC

    Filesize

    506KB

    MD5

    4c444bffa3d13a3eab55f3ed4ec617f9

    SHA1

    d966451ec5d4dc411f56a6d4de95de0e42c2c80d

    SHA256

    ddf31d70700b26eb8fd51d6b825521b4371931f5c36dfa592e42b5d1d1f4ca2c

    SHA512

    4cbe4ee1d65d6d4595c59abd79f05dee1fcab673b9e8675e53a881864bc5c207c0984177066816d57d53c8015dc2e6146cca5c3ed00bfc5d3c5cc5ca7a257d8a

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/4120-41-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4120-48-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4120-47-0x0000000000460000-0x0000000000529000-memory.dmp

    Filesize

    804KB

  • memory/4120-40-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4516-23-0x0000000073F32000-0x0000000073F33000-memory.dmp

    Filesize

    4KB

  • memory/4516-38-0x0000000073F32000-0x0000000073F33000-memory.dmp

    Filesize

    4KB

  • memory/4516-39-0x0000000073F30000-0x00000000744E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4516-29-0x0000000073F30000-0x00000000744E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4516-28-0x0000000073F30000-0x00000000744E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4516-26-0x0000000073F30000-0x00000000744E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4516-19-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/4524-37-0x0000000003400000-0x0000000003401000-memory.dmp

    Filesize

    4KB

  • memory/4524-17-0x0000000003400000-0x0000000003401000-memory.dmp

    Filesize

    4KB

  • memory/5044-32-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5044-34-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5044-35-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB