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Analysis

  • max time kernel
    119s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/09/2024, 04:13

General

  • Target

    quotation.pdf.exe

  • Size

    584KB

  • MD5

    cae995edd90312264f9faa534874894f

  • SHA1

    2a71f016765dc5fa825ca1f437e1df02c32611a0

  • SHA256

    5226c6707f7f1430f49c6c7cd637375b00004be37d815d82804257a8ca563841

  • SHA512

    6bd8c914fbdc8b04bdf12a8a60eb61324e4e06dfdd7525d29418c861247dda366e367992afd4d285a15b8ca71df5d28ddc1056cb91df3d9d1461c888bce8d594

  • SSDEEP

    12288:HrLfSC/W39Rfyyii2nYUNm8AEr8aNZibViwt5XHF:LLbcyyii2nYUm8AErTsiw5V

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6086388911:AAGHpITQe4oLJhzRR86O2JB3Tmd1xG2gIqM/sendMessage?chat_id=1932526247

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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).

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\quotation.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1076
    • 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\quotation.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VBwlAonrdTz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2480
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VBwlAonrdTz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC236.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2808
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC236.tmp

    Filesize

    1KB

    MD5

    73068274418846bd103b48d0a30cec42

    SHA1

    59c519670fd056de6f6133753e6ef8729095555d

    SHA256

    cebf6048ff39b70fb809f977ade6eab1b144f6cee680d54da3089d2fd7ed45ea

    SHA512

    ee73b768f7646e084507656c2ff6f9eb3708c20c23ccc4ad2c38afa3cb9b0d5881241e6231cbddee1b96cb1ca58e82df51f4c64b653da9868d730ee79b909134

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4T62ZXELFF86T17332OC.temp

    Filesize

    7KB

    MD5

    f012b810af4d29183969f11c6430ecf9

    SHA1

    c7a94bb127f4046ca1c46bcc7bfd34b27ff2811e

    SHA256

    ea92bf00ff5565c2c106fc66cd2d51b3429e4080e19439bbf98e9363a1720fea

    SHA512

    6bc8c34f73dd4152ae16f94bd36a735e100557ca973cec7c0f3209df63771912ccd1321f325a5a3bab4770acc83e0cb960c36aa5e41968649d7c35247e00b65d

  • memory/1076-4-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/1076-31-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1076-0-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/1076-5-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1076-6-0x0000000004E10000-0x0000000004E78000-memory.dmp

    Filesize

    416KB

  • memory/1076-2-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/1076-1-0x0000000000E70000-0x0000000000F08000-memory.dmp

    Filesize

    608KB

  • memory/1076-3-0x0000000000440000-0x0000000000450000-memory.dmp

    Filesize

    64KB

  • memory/2792-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2792-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2792-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2792-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2792-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2792-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2792-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2792-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB