Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    22-06-2022 07:16

General

  • Target

    2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed.exe

  • Size

    554KB

  • MD5

    882f3fea08adb86c77cb49f5beaa7140

  • SHA1

    6ae59d1ac44222bfb00fd57a675a8e75b231ea26

  • SHA256

    2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

  • SHA512

    33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

Malware Config

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed.exe
    "C:\Users\Admin\AppData\Local\Temp\2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\Documents\filemanagerr.exe
      "C:\Users\Admin\Documents\filemanagerr.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Users\Admin\Documents\filemanagerr.exe
        "C:\Users\Admin\Documents\filemanagerr.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3744
        • 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
          PID:3452
        • 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⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2356

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\AppData\Roaming\New text document.txt
    Filesize

    32B

    MD5

    c507a2a99e3fa95b0fe37b8e67c229ad

    SHA1

    b30010c98c70668981e80f44f347497eb54d400c

    SHA256

    e0a24e698043e9f3810c35afc585fe1767b8d6b4149946702bbf8e47974f0251

    SHA512

    465217eecedf2664ccdaf1d9504349a3bf0e3b51287b8ef3690b7c30a39769df9c6e6e7a34fe7ee30e156ece610ebb36366dd5d1dc5b72b6875006ee4a5d95b9

  • C:\Users\Admin\Documents\filemanagerr.exe
    Filesize

    554KB

    MD5

    882f3fea08adb86c77cb49f5beaa7140

    SHA1

    6ae59d1ac44222bfb00fd57a675a8e75b231ea26

    SHA256

    2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

    SHA512

    33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

  • C:\Users\Admin\Documents\filemanagerr.exe
    Filesize

    554KB

    MD5

    882f3fea08adb86c77cb49f5beaa7140

    SHA1

    6ae59d1ac44222bfb00fd57a675a8e75b231ea26

    SHA256

    2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

    SHA512

    33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

  • C:\Users\Admin\Documents\filemanagerr.exe
    Filesize

    554KB

    MD5

    882f3fea08adb86c77cb49f5beaa7140

    SHA1

    6ae59d1ac44222bfb00fd57a675a8e75b231ea26

    SHA256

    2eb69eb4a2d104a90c53f8931a2c52dc649afe129f83fab568c252271b1819ed

    SHA512

    33dc65cee717ff6ab42f6ff4e9e305afed58b17c42868d635192042a09427dc713a293844f05d91b38a57f154d9de5f686e487b108c8178e557ad77879e253dd

  • memory/2204-141-0x0000000075520000-0x0000000075AD1000-memory.dmp
    Filesize

    5.7MB

  • memory/2204-131-0x0000000000000000-mapping.dmp
  • memory/2204-140-0x0000000075520000-0x0000000075AD1000-memory.dmp
    Filesize

    5.7MB

  • memory/2204-136-0x0000000075520000-0x0000000075AD1000-memory.dmp
    Filesize

    5.7MB

  • memory/2356-149-0x0000000000000000-mapping.dmp
  • memory/2356-155-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2356-153-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2356-152-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2356-150-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/2988-130-0x0000000075520000-0x0000000075AD1000-memory.dmp
    Filesize

    5.7MB

  • memory/2988-134-0x0000000075520000-0x0000000075AD1000-memory.dmp
    Filesize

    5.7MB

  • memory/3452-147-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3452-146-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3452-143-0x0000000000000000-mapping.dmp
  • memory/3452-144-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3744-148-0x0000000075520000-0x0000000075AD1000-memory.dmp
    Filesize

    5.7MB

  • memory/3744-142-0x0000000075520000-0x0000000075AD1000-memory.dmp
    Filesize

    5.7MB

  • memory/3744-137-0x0000000000000000-mapping.dmp