Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 13:20

General

  • Target

    payment_invoice.exe

  • Size

    3.0MB

  • MD5

    af9695cf3142c1fe17e398bf452c290c

  • SHA1

    295d6df899de93ff4835b067c31c502ce894d92e

  • SHA256

    566a2a768b83757d7c2398bf9f1f84deef8bb4b238da9431fff343b262227c6b

  • SHA512

    104579b73feecf2f7349fad6c0b13f04831192f1466a64ab6c9c5f7003a07923ca49ba22f6d2ab1ee894c2718c64a3c959091443573ed40045a1a013a09967e2

  • SSDEEP

    49152:eE73wg9RmvKdLKXFxeLjwGh9riL9uoebQJ/aldMW62ZrqrGyIEpK:eEzb9RyXF8wc9WxAbQqB5Zur9s

Malware Config

Signatures

  • Detect ZGRat V1 35 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 42 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment_invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\payment_invoice.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Users\Admin\AppData\Local\Temp\payment_invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\payment_invoice.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2972
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'payment_invoice';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'payment_invoice' -Value '"C:\Users\Admin\AppData\Local\Temp\payment_invoice.exe"' -PropertyType 'String'
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3692

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

1
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\payment_invoice.exe.log
    Filesize

    897B

    MD5

    8794b07aaa898d651ed54a7eaedcbedf

    SHA1

    29925a1bda66a60b6b33614e972477054fe74472

    SHA256

    3bb6961012fe6ffaf5e1a154381bfd06b8be98eba20d01399a2214dd4a61abd5

    SHA512

    2554230b0116f5b7798e373829b1eb19133d2377461e40a10971298a7ee29cde2bb5193c0dc2509e9ae5750eba3e578b4d545676ff3558279bfb2e187e4c469b

  • C:\Users\Admin\AppData\Local\Temp\Sfygeidkn.tmpdb
    Filesize

    152KB

    MD5

    73bd1e15afb04648c24593e8ba13e983

    SHA1

    4dd85ca46fcdf9d93f6b324f8bb0b5bb512a1b91

    SHA256

    aab0b201f392fef9fdff09e56a9d0ac33d0f68be95da270e6dab89bb1f971d8b

    SHA512

    6eb58fb41691894045569085bd64a83acd62277575ab002cf73d729bda4b6d43c36643a5fa336342e87a493326337ed43b8e5eaeae32f53210714699cb8dfac7

  • C:\Users\Admin\AppData\Local\Temp\Woqnt.tmpdb
    Filesize

    124KB

    MD5

    9618e15b04a4ddb39ed6c496575f6f95

    SHA1

    1c28f8750e5555776b3c80b187c5d15a443a7412

    SHA256

    a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab

    SHA512

    f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ntxa1hy0.hwu.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2404-1-0x0000000000CF0000-0x0000000000FEA000-memory.dmp
    Filesize

    3.0MB

  • memory/2404-0-0x00000000743E0000-0x0000000074B90000-memory.dmp
    Filesize

    7.7MB

  • memory/2404-2-0x0000000005950000-0x0000000005C3C000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-3-0x0000000006360000-0x0000000006904000-memory.dmp
    Filesize

    5.6MB

  • memory/2404-4-0x0000000005EC0000-0x0000000005F52000-memory.dmp
    Filesize

    584KB

  • memory/2404-5-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-6-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-8-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-10-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-12-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-14-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-16-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-20-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-18-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-22-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-24-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-28-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-26-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-30-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-32-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-34-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-36-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-38-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-40-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-42-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-44-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-46-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-48-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-50-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-52-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-54-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-60-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-58-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-62-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-66-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-68-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-64-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-56-0x0000000005950000-0x0000000005C36000-memory.dmp
    Filesize

    2.9MB

  • memory/2404-2657-0x00000000743E0000-0x0000000074B90000-memory.dmp
    Filesize

    7.7MB

  • memory/2404-4886-0x0000000005940000-0x0000000005950000-memory.dmp
    Filesize

    64KB

  • memory/2404-4887-0x0000000006060000-0x0000000006061000-memory.dmp
    Filesize

    4KB

  • memory/2404-4888-0x0000000006910000-0x0000000006A38000-memory.dmp
    Filesize

    1.2MB

  • memory/2404-4889-0x0000000006130000-0x000000000617C000-memory.dmp
    Filesize

    304KB

  • memory/2404-4890-0x0000000006C10000-0x0000000006C76000-memory.dmp
    Filesize

    408KB

  • memory/2404-4891-0x0000000005940000-0x0000000005950000-memory.dmp
    Filesize

    64KB

  • memory/2404-4892-0x00000000014E0000-0x0000000001534000-memory.dmp
    Filesize

    336KB

  • memory/2404-4898-0x00000000743E0000-0x0000000074B90000-memory.dmp
    Filesize

    7.7MB

  • memory/2972-4897-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/2972-4899-0x00000000743E0000-0x0000000074B90000-memory.dmp
    Filesize

    7.7MB

  • memory/2972-4900-0x00000000052B0000-0x00000000053C6000-memory.dmp
    Filesize

    1.1MB

  • memory/2972-4901-0x00000000052A0000-0x00000000052B0000-memory.dmp
    Filesize

    64KB

  • memory/2972-7182-0x00000000053E0000-0x000000000547E000-memory.dmp
    Filesize

    632KB

  • memory/2972-7183-0x0000000005620000-0x0000000005690000-memory.dmp
    Filesize

    448KB

  • memory/2972-7184-0x0000000005770000-0x000000000577A000-memory.dmp
    Filesize

    40KB

  • memory/2972-7185-0x0000000006DE0000-0x0000000006E5A000-memory.dmp
    Filesize

    488KB

  • memory/2972-7238-0x00000000743E0000-0x0000000074B90000-memory.dmp
    Filesize

    7.7MB

  • memory/2972-7239-0x00000000052A0000-0x00000000052B0000-memory.dmp
    Filesize

    64KB

  • memory/3692-7240-0x0000000004C30000-0x0000000004C66000-memory.dmp
    Filesize

    216KB

  • memory/3692-7244-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
    Filesize

    64KB

  • memory/3692-7243-0x00000000052F0000-0x0000000005918000-memory.dmp
    Filesize

    6.2MB

  • memory/3692-7242-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
    Filesize

    64KB

  • memory/3692-7241-0x00000000743E0000-0x0000000074B90000-memory.dmp
    Filesize

    7.7MB

  • memory/3692-7245-0x0000000005A90000-0x0000000005AB2000-memory.dmp
    Filesize

    136KB

  • memory/3692-7255-0x0000000005C30000-0x0000000005C96000-memory.dmp
    Filesize

    408KB

  • memory/3692-7256-0x0000000005D80000-0x00000000060D4000-memory.dmp
    Filesize

    3.3MB

  • memory/3692-7257-0x0000000006200000-0x000000000621E000-memory.dmp
    Filesize

    120KB

  • memory/3692-7258-0x0000000006220000-0x000000000626C000-memory.dmp
    Filesize

    304KB

  • memory/3692-7259-0x00000000071A0000-0x0000000007236000-memory.dmp
    Filesize

    600KB

  • memory/3692-7260-0x00000000066F0000-0x000000000670A000-memory.dmp
    Filesize

    104KB

  • memory/3692-7261-0x0000000006740000-0x0000000006762000-memory.dmp
    Filesize

    136KB

  • memory/3692-7264-0x00000000743E0000-0x0000000074B90000-memory.dmp
    Filesize

    7.7MB