Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2023 15:12

General

  • Target

    doc4567898762345678678889_pdf.exe

  • Size

    714KB

  • MD5

    c3d53387aaa39ee5e0897965033a65d6

  • SHA1

    30e662033ffc767276cf977070a82147ef38b44b

  • SHA256

    9e19816e28ea81520a46e89d85f46e573f4feed5eb0eef8537c36b1120bed32f

  • SHA512

    8418bb95fcddd6dbee91aa0b1af3ca4a64b7f928d0f08428f17d5235167b98e83274a6a13b44ce79eccf7383dccb50023d9df517d7294e05e1402ec84c6aac80

  • SSDEEP

    12288:mzEP/SJaF/J9x11ht3++d4z7pyjaUV2iA+OPjZTBobiHE8ZWZ:F/4qzvx+ZyaM29sbiHkZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.nzcivilandconstruction.co.nz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %%B9U[D}7Tm6

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\doc4567898762345678678889_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\doc4567898762345678678889_pdf.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:4824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jSnOuboG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1888
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jSnOuboG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1C7C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aoxz4jz1.iqg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp1C7C.tmp

    Filesize

    1KB

    MD5

    a40a45cfc4ffa6cf611d0c49c501e2fe

    SHA1

    b2cb31339fad024190afdd3ef7fd9d4e954713f3

    SHA256

    912ef82d1b9c8f45c2adce295b025ce4e87f7991bf1b4755c48c369c3632ea39

    SHA512

    164d23c1de5b8d969e18756e306211dc3e7ed5c0f656c6ca85b5bb6db7d60c08594e5c2a3369e10178b45f65914862f6d1596d6618a00526963ab875e6a56e12

  • memory/1888-51-0x00000000064C0000-0x00000000064DE000-memory.dmp

    Filesize

    120KB

  • memory/1888-32-0x00000000056B0000-0x0000000005716000-memory.dmp

    Filesize

    408KB

  • memory/1888-70-0x0000000007480000-0x0000000007494000-memory.dmp

    Filesize

    80KB

  • memory/1888-69-0x0000000007470000-0x000000000747E000-memory.dmp

    Filesize

    56KB

  • memory/1888-68-0x0000000007440000-0x0000000007451000-memory.dmp

    Filesize

    68KB

  • memory/1888-67-0x00000000074A0000-0x0000000007536000-memory.dmp

    Filesize

    600KB

  • memory/1888-59-0x0000000007290000-0x000000000729A000-memory.dmp

    Filesize

    40KB

  • memory/1888-55-0x0000000007220000-0x000000000723A000-memory.dmp

    Filesize

    104KB

  • memory/1888-53-0x0000000007860000-0x0000000007EDA000-memory.dmp

    Filesize

    6.5MB

  • memory/1888-52-0x0000000007120000-0x00000000071C3000-memory.dmp

    Filesize

    652KB

  • memory/1888-37-0x0000000005EE0000-0x0000000005EFE000-memory.dmp

    Filesize

    120KB

  • memory/1888-71-0x0000000007570000-0x000000000758A000-memory.dmp

    Filesize

    104KB

  • memory/1888-20-0x0000000002630000-0x0000000002640000-memory.dmp

    Filesize

    64KB

  • memory/1888-19-0x0000000002630000-0x0000000002640000-memory.dmp

    Filesize

    64KB

  • memory/1888-18-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1888-72-0x0000000007560000-0x0000000007568000-memory.dmp

    Filesize

    32KB

  • memory/1888-22-0x0000000004FD0000-0x00000000055F8000-memory.dmp

    Filesize

    6.2MB

  • memory/1888-40-0x0000000006EE0000-0x0000000006F12000-memory.dmp

    Filesize

    200KB

  • memory/1888-41-0x000000006F790000-0x000000006F7DC000-memory.dmp

    Filesize

    304KB

  • memory/1888-25-0x0000000004F40000-0x0000000004F62000-memory.dmp

    Filesize

    136KB

  • memory/1888-39-0x0000000002630000-0x0000000002640000-memory.dmp

    Filesize

    64KB

  • memory/1888-17-0x00000000025D0000-0x0000000002606000-memory.dmp

    Filesize

    216KB

  • memory/1888-75-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1888-38-0x0000000005F80000-0x0000000005FCC000-memory.dmp

    Filesize

    304KB

  • memory/4824-26-0x000000000B340000-0x000000000B3A6000-memory.dmp

    Filesize

    408KB

  • memory/4824-1-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4824-24-0x000000000AB00000-0x000000000AB30000-memory.dmp

    Filesize

    192KB

  • memory/4824-23-0x000000000AAC0000-0x000000000AAF4000-memory.dmp

    Filesize

    208KB

  • memory/4824-12-0x0000000008380000-0x000000000841C000-memory.dmp

    Filesize

    624KB

  • memory/4824-11-0x0000000008270000-0x00000000082DC000-memory.dmp

    Filesize

    432KB

  • memory/4824-10-0x00000000057D0000-0x00000000057DC000-memory.dmp

    Filesize

    48KB

  • memory/4824-54-0x0000000008520000-0x0000000008570000-memory.dmp

    Filesize

    320KB

  • memory/4824-9-0x0000000005550000-0x0000000005560000-memory.dmp

    Filesize

    64KB

  • memory/4824-56-0x0000000008740000-0x0000000008902000-memory.dmp

    Filesize

    1.8MB

  • memory/4824-8-0x0000000074A00000-0x00000000751B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4824-7-0x00000000057C0000-0x00000000057D0000-memory.dmp

    Filesize

    64KB

  • memory/4824-6-0x0000000005510000-0x000000000551A000-memory.dmp

    Filesize

    40KB

  • memory/4824-5-0x0000000005550000-0x0000000005560000-memory.dmp

    Filesize

    64KB

  • memory/4824-4-0x0000000005D90000-0x00000000060E4000-memory.dmp

    Filesize

    3.3MB

  • memory/4824-3-0x0000000005330000-0x00000000053C2000-memory.dmp

    Filesize

    584KB

  • memory/4824-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

    Filesize

    5.6MB

  • memory/4824-0-0x0000000000890000-0x0000000000948000-memory.dmp

    Filesize

    736KB