Analysis

  • max time kernel
    130s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 13:18

General

  • Target

    U prilogu je predracun.exe

  • Size

    600KB

  • MD5

    7805af2fe70854ae49f57b6d3a95e59e

  • SHA1

    541d0eb275873c736eb7b80ab1b3619c8c2024dd

  • SHA256

    b498a3f4967ef692a331633708f10ac8bbe57579957102bfe751cd479a4cc92f

  • SHA512

    031ae4fa84f65a56494cd142163c1ec169b2d6ab347433cbf686e7c31058d2951748c3bc15c5458e02f5153922e062e5dc21334cc9a08421b394772139bc285e

  • SSDEEP

    12288:znC0w99+n4+7zVlsIML0qv3V5X1TnluGvy7Y1/xy1q5mE+:Rwyn4YRlsZ5v/XRlutcysEE

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pishgamsanaat.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Pishgam123456

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

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

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • 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.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\U prilogu je predracun.exe
    "C:\Users\Admin\AppData\Local\Temp\U prilogu je predracun.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VbAPDfoDcfwBL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1008
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VbAPDfoDcfwBL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB4F8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4924
    • C:\Users\Admin\AppData\Local\Temp\U prilogu je predracun.exe
      "C:\Users\Admin\AppData\Local\Temp\U prilogu je predracun.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2368
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:4392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_orfo25ak.yrg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB4F8.tmp

    Filesize

    1KB

    MD5

    feae7514c499eef60e956388c412928c

    SHA1

    d191ee44836d80f853f982cb2437811de0db54c7

    SHA256

    0ea3a6a9dece2e1b022b98e9f6cae879f12931537182f48313a894192a1186b4

    SHA512

    170db34305948eeb8c32cb31f8bab1a699c85bc5c4fcb8bcbf0e9f6bb48a864d043241b71257fe2cc6cefaa5d4c3fe5e22660f8f8225981f5c4511e1fee0636f

  • memory/1008-15-0x0000000004C70000-0x0000000004CA6000-memory.dmp

    Filesize

    216KB

  • memory/1008-55-0x0000000007590000-0x000000000759A000-memory.dmp

    Filesize

    40KB

  • memory/1008-64-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-61-0x0000000007830000-0x0000000007838000-memory.dmp

    Filesize

    32KB

  • memory/1008-60-0x0000000007850000-0x000000000786A000-memory.dmp

    Filesize

    104KB

  • memory/1008-59-0x0000000007750000-0x0000000007764000-memory.dmp

    Filesize

    80KB

  • memory/1008-58-0x0000000007740000-0x000000000774E000-memory.dmp

    Filesize

    56KB

  • memory/1008-57-0x0000000007710000-0x0000000007721000-memory.dmp

    Filesize

    68KB

  • memory/1008-56-0x0000000007790000-0x0000000007826000-memory.dmp

    Filesize

    600KB

  • memory/1008-54-0x0000000007510000-0x000000000752A000-memory.dmp

    Filesize

    104KB

  • memory/1008-17-0x00000000052E0000-0x0000000005908000-memory.dmp

    Filesize

    6.2MB

  • memory/1008-16-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-53-0x0000000007B60000-0x00000000081DA000-memory.dmp

    Filesize

    6.5MB

  • memory/1008-19-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-21-0x0000000005910000-0x0000000005976000-memory.dmp

    Filesize

    408KB

  • memory/1008-22-0x0000000005980000-0x00000000059E6000-memory.dmp

    Filesize

    408KB

  • memory/1008-20-0x0000000005240000-0x0000000005262000-memory.dmp

    Filesize

    136KB

  • memory/1008-52-0x00000000071D0000-0x0000000007273000-memory.dmp

    Filesize

    652KB

  • memory/1008-23-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1008-26-0x0000000005A70000-0x0000000005DC4000-memory.dmp

    Filesize

    3.3MB

  • memory/1008-51-0x00000000067A0000-0x00000000067BE000-memory.dmp

    Filesize

    120KB

  • memory/1008-41-0x0000000071AD0000-0x0000000071B1C000-memory.dmp

    Filesize

    304KB

  • memory/1008-40-0x00000000067C0000-0x00000000067F2000-memory.dmp

    Filesize

    200KB

  • memory/1008-38-0x00000000061E0000-0x00000000061FE000-memory.dmp

    Filesize

    120KB

  • memory/1008-39-0x0000000006290000-0x00000000062DC000-memory.dmp

    Filesize

    304KB

  • memory/1984-9-0x0000000006B00000-0x0000000006B68000-memory.dmp

    Filesize

    416KB

  • memory/1984-1-0x0000000000E50000-0x0000000000EEC000-memory.dmp

    Filesize

    624KB

  • memory/1984-4-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-10-0x0000000006DA0000-0x0000000006E3C000-memory.dmp

    Filesize

    624KB

  • memory/1984-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

    Filesize

    5.6MB

  • memory/1984-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

    Filesize

    4KB

  • memory/1984-3-0x0000000005890000-0x0000000005922000-memory.dmp

    Filesize

    584KB

  • memory/1984-7-0x00000000752EE000-0x00000000752EF000-memory.dmp

    Filesize

    4KB

  • memory/1984-8-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-37-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/1984-5-0x0000000005950000-0x000000000595A000-memory.dmp

    Filesize

    40KB

  • memory/1984-6-0x0000000005C70000-0x0000000005C88000-memory.dmp

    Filesize

    96KB

  • memory/2368-67-0x0000000006EB0000-0x0000000007072000-memory.dmp

    Filesize

    1.8MB

  • memory/2368-27-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-65-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/2368-66-0x0000000006C90000-0x0000000006CE0000-memory.dmp

    Filesize

    320KB

  • memory/2368-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB