Analysis

  • max time kernel
    101s
  • max time network
    142s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/11/2022, 02:49

General

  • Target

    f31008d5a84603b38b18fd2d79d974aa231bde38737e12b85918cb90ade07f98.xls

  • Size

    217KB

  • MD5

    f6dd0765fb84ca37e619e6117bfd0e72

  • SHA1

    a3c64daee4de3f52c12ace734be93a75f6b170e0

  • SHA256

    f31008d5a84603b38b18fd2d79d974aa231bde38737e12b85918cb90ade07f98

  • SHA512

    378ce2bc74a2fc75fedb4f908bab5080704533751194215c4764d80d87411e8aee03f983c7cd557c90e07d48fd54098fe7793007c55422a2c6174f0ed37f3bd7

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQmc:JbGUMVWlbc

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://aquariorecords.com.br/wp-content/A8G3ownNApEj1L4hF/

xlm40.dropper

http://ftp.pricoat.com.mx/Fichas/3ybJLLXu5zqqn8Sx/

xlm40.dropper

http://armannahalpersian.ir/3H5qqUOB/

xlm40.dropper

http://alagi.ge/application/irnz5Rs8qWvQrf/

Extracted

Family

emotet

Botnet

Epoch5

C2

178.238.225.252:8080

139.196.72.155:8080

36.67.23.59:443

103.56.149.105:8080

37.44.244.177:8080

85.25.120.45:8080

202.134.4.210:7080

78.47.204.80:443

83.229.80.93:8080

93.104.209.107:8080

80.211.107.116:8080

165.22.254.236:8080

104.244.79.94:443

185.148.169.10:8080

190.145.8.4:443

175.126.176.79:8080

139.59.80.108:8080

188.165.79.151:443

128.199.217.206:443

64.227.55.231:8080

ecs1.plain
eck1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 4 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Downloads MZ/PE file
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\f31008d5a84603b38b18fd2d79d974aa231bde38737e12b85918cb90ade07f98.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1980
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NDYaFQQhTYHdI\BlPntlhQEkPI.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4668
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3124
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ZSfxEs\oUZDtxASRb.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4632
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\IpWGmP\oelDoxcgUJQV.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1612

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\oxnv2.ooccxx

          Filesize

          751KB

          MD5

          9d19eea74198d74fb260369e9bcc8ee3

          SHA1

          2f2429ac4b6643184985936cd872916b8a7c756a

          SHA256

          7a5d92888a855922c3d5d88e426880ae2cca6bcf195a1905ce39ff4a43545764

          SHA512

          dc3d3688294dc2f0cbf6a789a332cac42af945d03a8480708e53e23cc706f8c0b39de765895e3f4ab23d3281b643bbea89e969014fe5306409a69cd60b87b87f

        • C:\Users\Admin\oxnv3.ooccxx

          Filesize

          751KB

          MD5

          dfc5f2b8eb8c335232993ecf778f929a

          SHA1

          1e2dfff2c19c7926dd94e3405cf925007b019a30

          SHA256

          b5da371946cb8b96daa3bab543acda2050ff85fe3fe7076f64836538f0716d52

          SHA512

          27a0746b2f8b785f6c93e3eedd6fa02d8011d464cffc943f3b07161df8177f259038b3a39c212281a0928e916483a76a5e060d22162a967435b5714d305143a9

        • C:\Users\Admin\oxnv4.ooccxx

          Filesize

          751KB

          MD5

          e7a6aa92cea08cc0a8f008b2cdd4af34

          SHA1

          fef494c5a4c2dc0e11bda0f6d0cef47796f2ceb6

          SHA256

          ecffea0a39ad06dc6c5e2ea33ec0df1f543b590215640376070d2fc9b33be181

          SHA512

          72886c18b0824c1a96fb0b094a8311edc025738f14f3bd82ae9753a8f4748b7c83d880035e72e2f0c2bf08a186ba0d5698ae4a25ba14aaaf8a132aeb53a1ff76

        • \Users\Admin\oxnv2.ooccxx

          Filesize

          751KB

          MD5

          9d19eea74198d74fb260369e9bcc8ee3

          SHA1

          2f2429ac4b6643184985936cd872916b8a7c756a

          SHA256

          7a5d92888a855922c3d5d88e426880ae2cca6bcf195a1905ce39ff4a43545764

          SHA512

          dc3d3688294dc2f0cbf6a789a332cac42af945d03a8480708e53e23cc706f8c0b39de765895e3f4ab23d3281b643bbea89e969014fe5306409a69cd60b87b87f

        • \Users\Admin\oxnv3.ooccxx

          Filesize

          751KB

          MD5

          dfc5f2b8eb8c335232993ecf778f929a

          SHA1

          1e2dfff2c19c7926dd94e3405cf925007b019a30

          SHA256

          b5da371946cb8b96daa3bab543acda2050ff85fe3fe7076f64836538f0716d52

          SHA512

          27a0746b2f8b785f6c93e3eedd6fa02d8011d464cffc943f3b07161df8177f259038b3a39c212281a0928e916483a76a5e060d22162a967435b5714d305143a9

        • \Users\Admin\oxnv4.ooccxx

          Filesize

          751KB

          MD5

          e7a6aa92cea08cc0a8f008b2cdd4af34

          SHA1

          fef494c5a4c2dc0e11bda0f6d0cef47796f2ceb6

          SHA256

          ecffea0a39ad06dc6c5e2ea33ec0df1f543b590215640376070d2fc9b33be181

          SHA512

          72886c18b0824c1a96fb0b094a8311edc025738f14f3bd82ae9753a8f4748b7c83d880035e72e2f0c2bf08a186ba0d5698ae4a25ba14aaaf8a132aeb53a1ff76

        • memory/2996-261-0x0000000180000000-0x0000000180030000-memory.dmp

          Filesize

          192KB

        • memory/3064-332-0x00007FFD0A1C0000-0x00007FFD0A1D0000-memory.dmp

          Filesize

          64KB

        • memory/3064-334-0x00007FFD0A1C0000-0x00007FFD0A1D0000-memory.dmp

          Filesize

          64KB

        • memory/3064-116-0x00007FFD0A1C0000-0x00007FFD0A1D0000-memory.dmp

          Filesize

          64KB

        • memory/3064-129-0x00007FFD07260000-0x00007FFD07270000-memory.dmp

          Filesize

          64KB

        • memory/3064-333-0x00007FFD0A1C0000-0x00007FFD0A1D0000-memory.dmp

          Filesize

          64KB

        • memory/3064-128-0x00007FFD07260000-0x00007FFD07270000-memory.dmp

          Filesize

          64KB

        • memory/3064-119-0x00007FFD0A1C0000-0x00007FFD0A1D0000-memory.dmp

          Filesize

          64KB

        • memory/3064-118-0x00007FFD0A1C0000-0x00007FFD0A1D0000-memory.dmp

          Filesize

          64KB

        • memory/3064-117-0x00007FFD0A1C0000-0x00007FFD0A1D0000-memory.dmp

          Filesize

          64KB

        • memory/3064-331-0x00007FFD0A1C0000-0x00007FFD0A1D0000-memory.dmp

          Filesize

          64KB