Analysis

  • max time kernel
    117s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 02:27

General

  • Target

    request for quotation.exe

  • Size

    595KB

  • MD5

    4a15ed0feb9e90b56e82c2e45a3b3f5e

  • SHA1

    659661291eb5fd6452d6cabdc24cd9fbc1fb17f7

  • SHA256

    d5d8c33957e90d1caca4b5207d8da5ab1bc4caa9f702abc0ec006d0518ea9aec

  • SHA512

    f5c0e6fd93018b454db12ef76b10a6feeca5d532a7599a6460d00c1870518752fb4ec0bc1052de34e6d4e18e040658d59037a757232f49731264b81c5fe32fed

  • SSDEEP

    12288:VWjK4A9bRiI5VIfzhXLhZnFLsrPmaj015WWn9QNViWeCT+GCqR:AjKRByzhFErOaj0x9uiWeCtCq

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cpanel2-nl.thcservers.com/
  • Port:
    21
  • Username:
    Yx74dJ0TP3M=
  • Password:
    Uvob2G1Tc73ZCus02X

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 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.

  • 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).

  • 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 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\request for quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\request for quotation.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2480
    • 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\request for quotation.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oGnCNPiCwiAocn.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oGnCNPiCwiAocn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3302.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2844
    • C:\Users\Admin\AppData\Local\Temp\request for quotation.exe
      "C:\Users\Admin\AppData\Local\Temp\request for quotation.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:1488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3302.tmp

    Filesize

    1KB

    MD5

    851982d3f2d5dd9bc8c9012b127b122c

    SHA1

    ef44e327bc7cb5e59588ccd869312abc74657134

    SHA256

    8790616c92702095a470048fce02f1c46ee9e3be13328710aebe6e738512ac12

    SHA512

    9f3fe4c151977e4bb022d4a4168d53e7bc5dff787a1066799d2d784f18a9ce8dfc5a81fbdf28db34c6fd1009eddb3ff3460d440eece7891fed5734bd1ec0a7f6

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ERRFW9ABR20C7QU0GTIG.temp

    Filesize

    7KB

    MD5

    1a7113ce292a8e1a31c0a5dda30d26ce

    SHA1

    41a4776c9ff946ad471bda6895f3ff6c2cf68bd1

    SHA256

    ddd0dc691c961b655b69636b1c62396f8b8401b0561831fe5d04e9e61d23d88b

    SHA512

    e79e1495105469f113a83bd28f9c6acb3dc3393cb5823b16fd25f4289cab434939baf080e98773a966cfd53b556ee11a8ca452764be46654664207fa9c4cc781

  • memory/1488-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1488-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1488-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1488-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1488-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1488-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1488-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1488-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2480-6-0x0000000005340000-0x00000000053AC000-memory.dmp

    Filesize

    432KB

  • memory/2480-1-0x0000000000060000-0x00000000000FC000-memory.dmp

    Filesize

    624KB

  • memory/2480-0-0x00000000740FE000-0x00000000740FF000-memory.dmp

    Filesize

    4KB

  • memory/2480-2-0x00000000740F0000-0x00000000747DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2480-3-0x0000000000440000-0x0000000000452000-memory.dmp

    Filesize

    72KB

  • memory/2480-5-0x00000000740F0000-0x00000000747DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2480-4-0x00000000740FE000-0x00000000740FF000-memory.dmp

    Filesize

    4KB

  • memory/2480-31-0x00000000740F0000-0x00000000747DE000-memory.dmp

    Filesize

    6.9MB