Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • resource
    win10v191014

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General

  • Target

    8ad35f111142e94599955379dad6fe8040789f0b

  • Sample

    191018-6cbxhgqhwx

  • SHA256

    e9ca2e726c664d3f610c06ce555e5c5cf3550e5cc7fb21bf2c6b461976b8cc29

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

  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Modifies service 2 TTPs 1 IoCs
    persistence
  • Windows security modification 2 TTPs 2 IoCs
    evasiontrojan
  • Modifies Internet Explorer settings 1 TTPs 46 IoCs
    adwarespyware
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs
  • ursnif family
    family
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Drops file in system dir 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ad35f111142e94599955379dad6fe8040789f0b.exe
    "C:\Users\Admin\AppData\Local\Temp\8ad35f111142e94599955379dad6fe8040789f0b.exe"
    1⤵
      PID:4912
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      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:1428
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      PID:4448
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4448 CREDAT:82945 /prefetch:2
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4052
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Modifies service
      • Drops file in system dir
      PID:4628
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:4692
      • \??\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:4264
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k unistacksvcgroup
        1⤵
          PID:4048
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
          1⤵
          • Windows security modification
          PID:816
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          PID:4736
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4736 CREDAT:82945 /prefetch:2
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:4748
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          PID:1080
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1080 CREDAT:82945 /prefetch:2
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:1448
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          PID:2024
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2024 CREDAT:82945 /prefetch:2
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:2412

        Network

        MITRE ATT&CK Enterprise v15

        MITRE ATT&CK Additional techniques

        • T1031
        • T1089

        Replay Monitor

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        Downloads

        • memory/4912-0-0x0000000002BB0000-0x0000000002BC5000-memory.dmp

          Filesize

          84KB

          Download

        • memory/4912-1-0x0000000004720000-0x0000000004721000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4912-2-0x00000000029C0000-0x00000000029CF000-memory.dmp

          Filesize

          60KB

          Download