Analysis

  • max time kernel
    149s
  • max time network
    126s
  • 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 13:22

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: GetForegroundWindowSpam 1 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:3604
    • 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:416
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VbAPDfoDcfwBL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE55.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:340
    • 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: GetForegroundWindowSpam
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:760
      • 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:1992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\U prilogu je predracun.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uyjhffwn.vic.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpFE55.tmp

    Filesize

    1KB

    MD5

    1381840675ad4efee9376b7e8d0c933a

    SHA1

    58875f4c12123f0387066cd13a2ac7f0919469f1

    SHA256

    a018bce3c81c667b5e9d0374a7666f29788c9e8b0310509cd446012082ed2350

    SHA512

    613901cacb41616fa2db10503463342158ff708164d359bb1abc31eab052beef096154d0bf1a4cba24a83a093f493c82499f5c6053c2da5095aa99f172381c49

  • memory/416-34-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/416-19-0x0000000005910000-0x0000000005932000-memory.dmp

    Filesize

    136KB

  • memory/416-54-0x0000000008240000-0x00000000088BA000-memory.dmp

    Filesize

    6.5MB

  • memory/416-53-0x0000000007AD0000-0x0000000007B73000-memory.dmp

    Filesize

    652KB

  • memory/416-52-0x0000000006EB0000-0x0000000006ECE000-memory.dmp

    Filesize

    120KB

  • memory/416-65-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/416-62-0x0000000007F20000-0x0000000007F28000-memory.dmp

    Filesize

    32KB

  • memory/416-42-0x0000000070F90000-0x0000000070FDC000-memory.dmp

    Filesize

    304KB

  • memory/416-15-0x0000000005300000-0x0000000005336000-memory.dmp

    Filesize

    216KB

  • memory/416-16-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/416-17-0x0000000005AF0000-0x0000000006118000-memory.dmp

    Filesize

    6.2MB

  • memory/416-61-0x0000000007F40000-0x0000000007F5A000-memory.dmp

    Filesize

    104KB

  • memory/416-60-0x0000000007E40000-0x0000000007E54000-memory.dmp

    Filesize

    80KB

  • memory/416-21-0x0000000006190000-0x00000000061F6000-memory.dmp

    Filesize

    408KB

  • memory/416-20-0x0000000005A30000-0x0000000005A96000-memory.dmp

    Filesize

    408KB

  • memory/416-55-0x0000000007C00000-0x0000000007C1A000-memory.dmp

    Filesize

    104KB

  • memory/416-27-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/416-33-0x0000000006300000-0x0000000006654000-memory.dmp

    Filesize

    3.3MB

  • memory/416-41-0x0000000006ED0000-0x0000000006F02000-memory.dmp

    Filesize

    200KB

  • memory/416-59-0x0000000007E30000-0x0000000007E3E000-memory.dmp

    Filesize

    56KB

  • memory/416-58-0x0000000007E00000-0x0000000007E11000-memory.dmp

    Filesize

    68KB

  • memory/416-57-0x0000000007E80000-0x0000000007F16000-memory.dmp

    Filesize

    600KB

  • memory/416-56-0x0000000007C70000-0x0000000007C7A000-memory.dmp

    Filesize

    40KB

  • memory/416-39-0x00000000068D0000-0x00000000068EE000-memory.dmp

    Filesize

    120KB

  • memory/416-40-0x0000000006970000-0x00000000069BC000-memory.dmp

    Filesize

    304KB

  • memory/760-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/760-37-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/760-66-0x0000000006BE0000-0x0000000006C30000-memory.dmp

    Filesize

    320KB

  • memory/760-67-0x0000000006E00000-0x0000000006FC2000-memory.dmp

    Filesize

    1.8MB

  • memory/760-68-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3604-3-0x00000000056C0000-0x0000000005752000-memory.dmp

    Filesize

    584KB

  • memory/3604-5-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3604-10-0x0000000007040000-0x00000000070DC000-memory.dmp

    Filesize

    624KB

  • memory/3604-2-0x0000000005C70000-0x0000000006214000-memory.dmp

    Filesize

    5.6MB

  • memory/3604-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/3604-1-0x0000000000C60000-0x0000000000CFC000-memory.dmp

    Filesize

    624KB

  • memory/3604-4-0x0000000005860000-0x000000000586A000-memory.dmp

    Filesize

    40KB

  • memory/3604-9-0x0000000006DA0000-0x0000000006E08000-memory.dmp

    Filesize

    416KB

  • memory/3604-8-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/3604-7-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/3604-6-0x0000000005C00000-0x0000000005C18000-memory.dmp

    Filesize

    96KB

  • memory/3604-38-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB