Analysis

  • max time kernel
    120s
  • max time network
    110s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 04:57

General

  • Target

    4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe

  • Size

    616KB

  • MD5

    8c9614d97173e2afa602be50fccec1d0

  • SHA1

    26790a2b3b7d21ed9303865e22edc66644545e3c

  • SHA256

    4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8c

  • SHA512

    8db74b48149d94876cccd587a0c4d161095d3c79b17bb9af0f5601c24857644f1528c0121fd4b5e817c3184a4926dfae96561afb04a505555d5c6fc019c42fab

  • SSDEEP

    12288:ZqkZpmvsQtqB5urTIoYWBQk1E+VF9mOx9SQL0+4:wsQtqBorTlYWBhE+V3mO5U

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dtyjnsyxuroscsgo

Signatures

  • HawkEye

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

  • Hawkeye family
  • Detected Nirsoft tools 10 IoCs

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

  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 6 IoCs

    Password recovery tool for various web browsers

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 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
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe
    "C:\Users\Admin\AppData\Local\Temp\4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8cN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Roaming\Amino.exe
      "C:\Users\Admin\AppData\Roaming\Amino.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1164
      • 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
        • System Location Discovery: System Language Discovery
        PID:756
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    103B

    MD5

    da9067520dc0329ec76d937ee89d89d4

    SHA1

    68ff74b2c2b823e8fc2b10101166e5a5958ee793

    SHA256

    e4afc677079e33557f8ac7b7fbd09e85b4e2589ed24a7667498557493e4e0894

    SHA512

    3d046d1df7ca1dd17588302e3d8eb40244697d663ecc35a383a95f7849a1e502a61bff978665c616f1de76d20ec5b9b92c36bc20b126927702d10451f4b6e096

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • C:\Users\Admin\AppData\Roaming\Amino.exe

    Filesize

    616KB

    MD5

    8c9614d97173e2afa602be50fccec1d0

    SHA1

    26790a2b3b7d21ed9303865e22edc66644545e3c

    SHA256

    4a508f74cec687fa4976f4034a424d83a351201755b07351563c07addc622f8c

    SHA512

    8db74b48149d94876cccd587a0c4d161095d3c79b17bb9af0f5601c24857644f1528c0121fd4b5e817c3184a4926dfae96561afb04a505555d5c6fc019c42fab

  • memory/756-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/756-19-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/756-21-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/756-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1164-23-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1164-12-0x0000000001250000-0x00000000012F0000-memory.dmp

    Filesize

    640KB

  • memory/1164-14-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1164-13-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1164-24-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1164-18-0x0000000000BB0000-0x0000000000BB8000-memory.dmp

    Filesize

    32KB

  • memory/2924-28-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2924-29-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2924-35-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/3032-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

    Filesize

    4KB

  • memory/3032-11-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/3032-1-0x0000000000CB0000-0x0000000000D50000-memory.dmp

    Filesize

    640KB