Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2024 07:43

General

  • Target

    b498a3f4967ef692a331633708f10ac8bbe57579957102bfe751cd479a4cc92f.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\b498a3f4967ef692a331633708f10ac8bbe57579957102bfe751cd479a4cc92f.exe
    "C:\Users\Admin\AppData\Local\Temp\b498a3f4967ef692a331633708f10ac8bbe57579957102bfe751cd479a4cc92f.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:1872
    • 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:4952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VbAPDfoDcfwBL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD33E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1072
    • C:\Users\Admin\AppData\Local\Temp\b498a3f4967ef692a331633708f10ac8bbe57579957102bfe751cd479a4cc92f.exe
      "C:\Users\Admin\AppData\Local\Temp\b498a3f4967ef692a331633708f10ac8bbe57579957102bfe751cd479a4cc92f.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:620
      • 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:3392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b498a3f4967ef692a331633708f10ac8bbe57579957102bfe751cd479a4cc92f.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mhzigmvb.230.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD33E.tmp

    Filesize

    1KB

    MD5

    1381840675ad4efee9376b7e8d0c933a

    SHA1

    58875f4c12123f0387066cd13a2ac7f0919469f1

    SHA256

    a018bce3c81c667b5e9d0374a7666f29788c9e8b0310509cd446012082ed2350

    SHA512

    613901cacb41616fa2db10503463342158ff708164d359bb1abc31eab052beef096154d0bf1a4cba24a83a093f493c82499f5c6053c2da5095aa99f172381c49

  • memory/620-68-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/620-37-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/620-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/620-66-0x0000000006E20000-0x0000000006E70000-memory.dmp

    Filesize

    320KB

  • memory/620-67-0x0000000007040000-0x0000000007202000-memory.dmp

    Filesize

    1.8MB

  • memory/1872-5-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-9-0x0000000006900000-0x0000000006968000-memory.dmp

    Filesize

    416KB

  • memory/1872-10-0x0000000006B90000-0x0000000006C2C000-memory.dmp

    Filesize

    624KB

  • memory/1872-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/1872-8-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-7-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/1872-6-0x0000000008050000-0x0000000008068000-memory.dmp

    Filesize

    96KB

  • memory/1872-4-0x0000000005690000-0x000000000569A000-memory.dmp

    Filesize

    40KB

  • memory/1872-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/1872-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

    Filesize

    5.6MB

  • memory/1872-38-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1872-1-0x0000000000BF0000-0x0000000000C8C000-memory.dmp

    Filesize

    624KB

  • memory/4952-15-0x0000000004450000-0x0000000004486000-memory.dmp

    Filesize

    216KB

  • memory/4952-55-0x0000000006D30000-0x0000000006D4A000-memory.dmp

    Filesize

    104KB

  • memory/4952-23-0x0000000005160000-0x00000000051C6000-memory.dmp

    Filesize

    408KB

  • memory/4952-36-0x0000000005400000-0x0000000005754000-memory.dmp

    Filesize

    3.3MB

  • memory/4952-20-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-21-0x0000000004940000-0x0000000004962000-memory.dmp

    Filesize

    136KB

  • memory/4952-39-0x00000000059F0000-0x0000000005A0E000-memory.dmp

    Filesize

    120KB

  • memory/4952-40-0x0000000005FC0000-0x000000000600C000-memory.dmp

    Filesize

    304KB

  • memory/4952-41-0x0000000006C10000-0x0000000006C42000-memory.dmp

    Filesize

    200KB

  • memory/4952-42-0x00000000712F0000-0x000000007133C000-memory.dmp

    Filesize

    304KB

  • memory/4952-52-0x0000000006BD0000-0x0000000006BEE000-memory.dmp

    Filesize

    120KB

  • memory/4952-53-0x0000000006C50000-0x0000000006CF3000-memory.dmp

    Filesize

    652KB

  • memory/4952-54-0x0000000007380000-0x00000000079FA000-memory.dmp

    Filesize

    6.5MB

  • memory/4952-24-0x00000000051D0000-0x0000000005236000-memory.dmp

    Filesize

    408KB

  • memory/4952-56-0x0000000006DA0000-0x0000000006DAA000-memory.dmp

    Filesize

    40KB

  • memory/4952-57-0x0000000006FB0000-0x0000000007046000-memory.dmp

    Filesize

    600KB

  • memory/4952-58-0x0000000006F30000-0x0000000006F41000-memory.dmp

    Filesize

    68KB

  • memory/4952-59-0x0000000006F60000-0x0000000006F6E000-memory.dmp

    Filesize

    56KB

  • memory/4952-60-0x0000000006F70000-0x0000000006F84000-memory.dmp

    Filesize

    80KB

  • memory/4952-61-0x0000000007070000-0x000000000708A000-memory.dmp

    Filesize

    104KB

  • memory/4952-62-0x0000000007050000-0x0000000007058000-memory.dmp

    Filesize

    32KB

  • memory/4952-65-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-19-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-16-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4952-17-0x0000000004AC0000-0x00000000050E8000-memory.dmp

    Filesize

    6.2MB