Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    145s
  • max time network
    150s
  • resource
    win10v191014

Sharing

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General

  • Target

    d0a308811bd0cf98b7f3c13328f34e192ae9f07c

  • Sample

    191018-dhmnstln9e

  • SHA256

    749d9f1bd425a9b49b9ad6e4bcdcb1954de0ad97d6b1506f1fd41ca62ff196c6

Score
N/A

Malware Config

Extracted

Family

ursnif

Botnet

500

C2

http://myhomesitter.fun

Attributes
  • dga_base_url

    constitution.org/usdeclar.txt

  • dga_crc

    1.320669898e+09

  • dga_season

    10

  • dga_tlds

    com

    ru

    org

  • dns_servers

    107.174.86.134

    107.175.127.22

rsa_pubkey.base64
serpent.plain

Signatures

  • Modifies Internet Explorer settings 1 TTPs 49 IoCs
    adwarespyware
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • ursnif family
    family
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Modifies service 2 TTPs 1 IoCs
    persistence
  • Drops file in system dir 5 IoCs
  • Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0a308811bd0cf98b7f3c13328f34e192ae9f07c.exe
    "C:\Users\Admin\AppData\Local\Temp\d0a308811bd0cf98b7f3c13328f34e192ae9f07c.exe"
    1⤵
      PID:4908
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      PID:5084
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5084 CREDAT:82945 /prefetch:2
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4212
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      PID:4516
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4516 CREDAT:82945 /prefetch:2
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:3624
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Modifies service
      • Drops file in system dir
      PID:4668
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:3704
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k netsvcs -s DoSvc
        1⤵
        • Checks system information in the registry (likely anti-VM)
        PID:2700
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
        1⤵
        • Windows security modification
        PID:2624
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k unistacksvcgroup
        1⤵
          PID:4832
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of FindShellTrayWindow
          PID:3564
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3564 CREDAT:82945 /prefetch:2
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:3360
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of FindShellTrayWindow
          PID:744
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:744 CREDAT:82945 /prefetch:2
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:1272
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of FindShellTrayWindow
          PID:1848
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1848 CREDAT:82945 /prefetch:2
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:2132

        Network

        MITRE ATT&CK Enterprise v15

        MITRE ATT&CK Additional techniques

        • T1089
        • T1031

        Replay Monitor

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        Downloads

        • memory/4908-0-0x0000000000752000-0x0000000000753000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4908-1-0x0000000000A40000-0x0000000000A41000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4908-2-0x0000000000630000-0x000000000063F000-memory.dmp

          Filesize

          60KB

          Download