Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-02-2025 18:05

General

  • Target

    Ziraat Bankasi Swift Mesaji.exe

  • Size

    1.0MB

  • MD5

    fa4883ee6ff76b2325c56b3a09502ac7

  • SHA1

    a56d1515a44a1c2c2275e5249c84d00ce3ee6005

  • SHA256

    373b6c138897ab46738f2a8eedfa6a3d83d5186f4565514e9cd789cddc880062

  • SHA512

    2bf3b6cfd91f9a524e8d86ad5329ccfe02f306bf04c2c5d6e4e135ff166e9d2d0a387ea4cae2c483113879b8a2b0d714b4bcec041a358d0511a3da7aa79c0c91

  • SSDEEP

    12288:ayRokWawn5/azb7eQw/sOgi1b8LGK79aGGbpTcIsjX:jNKvSObIfRIg

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7720744643:AAHCy3Fh8TZOag1r2Dwz3_tabeSbfKIUIZc/sendMessage?chat_id=7053140371

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Snakekeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.

  • 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).

  • Program crash 2 IoCs
  • 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.

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe
    "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.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:3884
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5088
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZnbATfUbUgZW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1428
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZnbATfUbUgZW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA1D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2456
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 1444
        3⤵
        • Program crash
        PID:3392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 1128
      2⤵
      • Program crash
      PID:2072
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3884 -ip 3884
    1⤵
      PID:3908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3976 -ip 3976
      1⤵
        PID:2592

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        49b8c9e440caee571b30abe38f8eb238

        SHA1

        0b0c6be35fb7ab1b7642a3e060156875bb14b82f

        SHA256

        e1ba53480fd0cd7d7bb45f541720efddbcd434a3948a50eff9eedb380cd3e0ff

        SHA512

        ea5d5098a29cbb98c2323cd88963c5e73562c714b67c7812e34a2806f7cf4ffdcd8734a83d9ae46477d988748b57b139f375ad0b9354b2c4dddf0734948dc271

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bvwa30jo.01s.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpA1D.tmp

        Filesize

        1KB

        MD5

        2bba447dfeef3bde3550fb1c4268d6dd

        SHA1

        b3414a4c5cf966ebdd21e983fd9a434fc2d67bcf

        SHA256

        e4d48d175c7675d2e62f2045db0078ad9a02e501d0d81df92a1c7594372011e8

        SHA512

        9b9cc3c6af7c57a967f2a09d2ef7de96e0c9ed97f163dee25f930a7b3f4b2fc91b4220269ce6978ff9b1f8f3bcda31c54cac1dc2df172622809c520911e30713

      • memory/1428-87-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/1428-81-0x00000000077A0000-0x00000000077A8000-memory.dmp

        Filesize

        32KB

      • memory/1428-63-0x000000006FC30000-0x000000006FC7C000-memory.dmp

        Filesize

        304KB

      • memory/1428-41-0x0000000005B90000-0x0000000005EE4000-memory.dmp

        Filesize

        3.3MB

      • memory/1428-80-0x00000000077C0000-0x00000000077DA000-memory.dmp

        Filesize

        104KB

      • memory/1428-22-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/1428-20-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3884-9-0x0000000005FB0000-0x000000000601C000-memory.dmp

        Filesize

        432KB

      • memory/3884-49-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3884-4-0x0000000005030000-0x000000000503A000-memory.dmp

        Filesize

        40KB

      • memory/3884-3-0x0000000005070000-0x0000000005102000-memory.dmp

        Filesize

        584KB

      • memory/3884-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

        Filesize

        4KB

      • memory/3884-10-0x00000000085E0000-0x000000000867C000-memory.dmp

        Filesize

        624KB

      • memory/3884-5-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3884-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

        Filesize

        5.6MB

      • memory/3884-8-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3884-1-0x0000000000530000-0x0000000000640000-memory.dmp

        Filesize

        1.1MB

      • memory/3884-7-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

        Filesize

        4KB

      • memory/3884-6-0x0000000005040000-0x0000000005054000-memory.dmp

        Filesize

        80KB

      • memory/3976-23-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/5088-15-0x0000000002580000-0x00000000025B6000-memory.dmp

        Filesize

        216KB

      • memory/5088-47-0x0000000005E90000-0x0000000005EAE000-memory.dmp

        Filesize

        120KB

      • memory/5088-48-0x00000000063D0000-0x000000000641C000-memory.dmp

        Filesize

        304KB

      • memory/5088-31-0x0000000005880000-0x00000000058E6000-memory.dmp

        Filesize

        408KB

      • memory/5088-50-0x0000000006E30000-0x0000000006E62000-memory.dmp

        Filesize

        200KB

      • memory/5088-61-0x0000000007070000-0x000000000708E000-memory.dmp

        Filesize

        120KB

      • memory/5088-62-0x0000000007090000-0x0000000007133000-memory.dmp

        Filesize

        652KB

      • memory/5088-51-0x000000006FC30000-0x000000006FC7C000-memory.dmp

        Filesize

        304KB

      • memory/5088-24-0x0000000004FD0000-0x0000000004FF2000-memory.dmp

        Filesize

        136KB

      • memory/5088-73-0x0000000007810000-0x0000000007E8A000-memory.dmp

        Filesize

        6.5MB

      • memory/5088-74-0x00000000071C0000-0x00000000071DA000-memory.dmp

        Filesize

        104KB

      • memory/5088-75-0x0000000007230000-0x000000000723A000-memory.dmp

        Filesize

        40KB

      • memory/5088-76-0x0000000007440000-0x00000000074D6000-memory.dmp

        Filesize

        600KB

      • memory/5088-77-0x00000000073C0000-0x00000000073D1000-memory.dmp

        Filesize

        68KB

      • memory/5088-78-0x00000000073F0000-0x00000000073FE000-memory.dmp

        Filesize

        56KB

      • memory/5088-79-0x0000000007400000-0x0000000007414000-memory.dmp

        Filesize

        80KB

      • memory/5088-30-0x00000000057A0000-0x0000000005806000-memory.dmp

        Filesize

        408KB

      • memory/5088-19-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/5088-17-0x0000000005000000-0x0000000005628000-memory.dmp

        Filesize

        6.2MB

      • memory/5088-18-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/5088-16-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB

      • memory/5088-88-0x0000000074A30000-0x00000000751E0000-memory.dmp

        Filesize

        7.7MB