Analysis

  • max time kernel
    145s
  • max time network
    135s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/11/2022, 02:20

General

  • Target

    c03e2677ba3b79f8bdf1bb2a709e2387152d2695790625a89a84b921b708eac0.xls

  • Size

    217KB

  • MD5

    fa1d59a5f227350a9b8e7fdf7d664a19

  • SHA1

    d2c2379483c34b730faec3344429da544a15a6cd

  • SHA256

    c03e2677ba3b79f8bdf1bb2a709e2387152d2695790625a89a84b921b708eac0

  • SHA512

    ea296806265062397be315f9f6555a9e723f531e9c421ad39b08539bfa28bab6b3b16d9da44c909b67c7f009621a086fa1b55a978b555f7f0f3d92d3ed0390fb

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm8:JbGUMVWlb8

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\c03e2677ba3b79f8bdf1bb2a709e2387152d2695790625a89a84b921b708eac0.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:3708
    • 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:4700
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\IKzkglDj\PBCGGgsAOfJuxKO.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4720
    • 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:4932
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NZLJHp\nqbOgVYDSiky.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4920
    • 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:1736
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EAGUT\tVWS.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1240

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    b0e3f190f2009e8485e0f43535e18aa6

    SHA1

    9e72941d806437fe58432c27e00e8c2fe8fda1d5

    SHA256

    20f7d9ee30bca6b080aa2fe8f7f9ccd20c40768fff04631d8ee385f577ddee9e

    SHA512

    7125a6e3a7c88d69e420318aa64c3d81052a7e8168a6e65bb73d955a2e8055ea66e50f07450cd428d53b3b47b3d7d3230cd508ff48f0ecc75468fc23f39b07fa

  • C:\Users\Admin\oxnv3.ooccxx

    Filesize

    751KB

    MD5

    df377b976476ca9bd1a96cba0130eeb8

    SHA1

    ad109e27cfba87e35e2b541170c7ca5e5a2d6aba

    SHA256

    df36b537de96748276d150adb2f8fad3a9f4c7ffb159620fdd0d396557f61ba8

    SHA512

    5532730f9e43eeb53d627bac17e60228d8c8e9d1e363d550d88e8c3789b812794941c3fab80ea29d8c44244f00e4cd0a16dcf612972eeaa4de33055bf0817046

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    5b0ba310652be57709df73dcb7ae9693

    SHA1

    de2eb2be703176c59e812b19ea63a55feba1bfc0

    SHA256

    327471050384bd38c28d3bbe098f7f38372ac3e380f5ee527bbd8f3dc6c8a01d

    SHA512

    71532c48e5ce6cf2b4134aecadd2b347f2030c7a82a2443724c737dce16ceaa7e5d740bbb62d91276a7935da233e81ac92efcf352d5a1f3e442fcdbeaf7faaad

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    b0e3f190f2009e8485e0f43535e18aa6

    SHA1

    9e72941d806437fe58432c27e00e8c2fe8fda1d5

    SHA256

    20f7d9ee30bca6b080aa2fe8f7f9ccd20c40768fff04631d8ee385f577ddee9e

    SHA512

    7125a6e3a7c88d69e420318aa64c3d81052a7e8168a6e65bb73d955a2e8055ea66e50f07450cd428d53b3b47b3d7d3230cd508ff48f0ecc75468fc23f39b07fa

  • \Users\Admin\oxnv3.ooccxx

    Filesize

    751KB

    MD5

    df377b976476ca9bd1a96cba0130eeb8

    SHA1

    ad109e27cfba87e35e2b541170c7ca5e5a2d6aba

    SHA256

    df36b537de96748276d150adb2f8fad3a9f4c7ffb159620fdd0d396557f61ba8

    SHA512

    5532730f9e43eeb53d627bac17e60228d8c8e9d1e363d550d88e8c3789b812794941c3fab80ea29d8c44244f00e4cd0a16dcf612972eeaa4de33055bf0817046

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    5b0ba310652be57709df73dcb7ae9693

    SHA1

    de2eb2be703176c59e812b19ea63a55feba1bfc0

    SHA256

    327471050384bd38c28d3bbe098f7f38372ac3e380f5ee527bbd8f3dc6c8a01d

    SHA512

    71532c48e5ce6cf2b4134aecadd2b347f2030c7a82a2443724c737dce16ceaa7e5d740bbb62d91276a7935da233e81ac92efcf352d5a1f3e442fcdbeaf7faaad

  • memory/2748-133-0x00007FFC918B0000-0x00007FFC918C0000-memory.dmp

    Filesize

    64KB

  • memory/2748-120-0x00007FFC94BB0000-0x00007FFC94BC0000-memory.dmp

    Filesize

    64KB

  • memory/2748-132-0x00007FFC918B0000-0x00007FFC918C0000-memory.dmp

    Filesize

    64KB

  • memory/2748-123-0x00007FFC94BB0000-0x00007FFC94BC0000-memory.dmp

    Filesize

    64KB

  • memory/2748-122-0x00007FFC94BB0000-0x00007FFC94BC0000-memory.dmp

    Filesize

    64KB

  • memory/2748-121-0x00007FFC94BB0000-0x00007FFC94BC0000-memory.dmp

    Filesize

    64KB

  • memory/4700-282-0x0000000180000000-0x0000000180030000-memory.dmp

    Filesize

    192KB