Overview

overview

10

task1

 

10

task2

 

10

Analysis

  • max time kernel
    133s
  • max time network
    148s
  • resource
    win10v191014

Sharing

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General

  • Target

    5abdb8b16f503976c3e726521c1f93b927931c00

  • Sample

    191018-xssrgacz7s

  • SHA256

    12ea4b688f33a5448c08c52d09b6e993b9ee293d09ba673c567c7a6d1ec7b94c

Score
N/A

Malware Config

Extracted

Family

ursnif

Botnet

1000

C2

http://alister-mathmatics.club

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\5abdb8b16f503976c3e726521c1f93b927931c00.exe
    "C:\Users\Admin\AppData\Local\Temp\5abdb8b16f503976c3e726521c1f93b927931c00.exe"
    1⤵
      PID:4904
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      PID:5076
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5076 CREDAT:82945 /prefetch:2
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4192
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      PID:3980
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3980 CREDAT:82945 /prefetch:2
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:4496
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of FindShellTrayWindow
      • Modifies Internet Explorer settings
      PID:4612
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4612 CREDAT:82945 /prefetch:2
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:1568
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s BITS
      1⤵
      • Drops file in system dir
      • Modifies service
      PID:4320
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV
      1⤵
        PID:3776
      • \??\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:4880
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k unistacksvcgroup
        1⤵
          PID:4812
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc
          1⤵
          • Windows security modification
          PID:3416
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of FindShellTrayWindow
          • Modifies Internet Explorer settings
          PID:3696
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3696 CREDAT:82945 /prefetch:2
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:588
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
          1⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of FindShellTrayWindow
          • Modifies Internet Explorer settings
          PID:1200
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1200 CREDAT:82945 /prefetch:2
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:1472

        Network

        MITRE ATT&CK Enterprise v15

        MITRE ATT&CK Additional techniques

        • T1089
        • T1031

        Replay Monitor

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        Downloads

        • memory/4904-0-0x0000000000493000-0x00000000004AB000-memory.dmp

          Filesize

          96KB

          Download

        • memory/4904-1-0x00000000021A0000-0x00000000021A1000-memory.dmp

          Filesize

          4KB

          Download

        • memory/4904-2-0x00000000005F0000-0x00000000005FF000-memory.dmp

          Filesize

          60KB

          Download