Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 03:17

General

  • Target

    008792864342e3ed217420cc90292a3f326bc59f69b719aa2769598b23e043af.xls

  • Size

    95KB

  • MD5

    d779b40878f3c2b94bea9add34ef28e0

  • SHA1

    29200f73619c676514a8d500b1715d66887f8f38

  • SHA256

    008792864342e3ed217420cc90292a3f326bc59f69b719aa2769598b23e043af

  • SHA512

    9030e94af80a75de132e8ef6c1919ce577dcdcd6ce466718d89fc546d2a22ec90d71895086bdb6bb553f7ae6b1851bbb2f6f1f68cb31de6e66300e0b0f76410f

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

xlm40.dropper

http://earthmach.co.za/libraries/tWkZh9YrXbTd6IeX/

xlm40.dropper

http://finvest.rs/wp-admin/Hr9nVNTIHgw59S/

xlm40.dropper

http://efverstedt.se/5jjaV/w7fLEHJ20xn0qD/

Extracted

Family

emotet

Botnet

Epoch5

C2

103.71.99.57:8080

103.224.241.74:8080

157.245.111.0:8080

37.44.244.177:8080

103.41.204.169:8080

64.227.55.231:8080

103.254.12.236:7080

103.85.95.4:8080

157.230.99.206:8080

165.22.254.236:8080

85.214.67.203:8080

54.37.228.122:443

195.77.239.39:8080

128.199.217.206:443

190.145.8.4:443

165.232.185.110:8080

188.165.79.151:443

178.62.112.199:8080

54.37.106.167:8080

104.244.79.94:443

eck1.plain
ecs1.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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Downloads MZ/PE file
  • Loads dropped DLL 2 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
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 18 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\008792864342e3ed217420cc90292a3f326bc59f69b719aa2769598b23e043af.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3028
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FogVODMltRftMw\pDpAcDGxQwuL.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1980
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1516
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\HsMTpKfjDGy\DhJHRdRHFsa.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1536
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          4⤵
          • Gathers system information
          PID:2216
        • C:\Windows\system32\ipconfig.exe
          ipconfig /all
          4⤵
          • Gathers network information
          PID:1880
        • C:\Windows\system32\nltest.exe
          nltest /dclist:
          4⤵
            PID:3472
      • C:\Windows\System32\regsvr32.exe
        C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
        2⤵
        • Process spawned unexpected child process
        PID:208

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Command-Line Interface

    1
    T1059

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    4
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\soci2.ocx
      Filesize

      847KB

      MD5

      5a178379e8eb9fe9bbb2f622f24f2b82

      SHA1

      2206aeee33bf7f42f1cd20f7cb2a1ec4328d76a2

      SHA256

      96297bee096c1f9d4d5f60cfe7fef08357f58dbadcebae0ad0f657474c8b64be

      SHA512

      c9cd2852686acfa5e787f178faf0517c9001f05a85b61bde11d26451cfb2a421bcedfeb39bc8e596768169719394ee6f1aa040549c41fc9cd96e352cae8bed12

    • C:\Users\Admin\soci3.ocx
      Filesize

      847KB

      MD5

      761fc0ffbee1c39d53053c494f293a05

      SHA1

      6dd7e64201a52666c813f13457cce4f640df68e6

      SHA256

      31766a28b7f730d7d0664f7a51551a1251d6436f1c7790e9252fff49121ca235

      SHA512

      e32b93fc0a07554e67b32399d7eb102d3f72f580ae59f5e78654ad48086bc43be3e098c2d9729ad686221c6cdef3015539f137c0a0bdde2e5609ef06812ffee6

    • \Users\Admin\soci2.ocx
      Filesize

      847KB

      MD5

      5a178379e8eb9fe9bbb2f622f24f2b82

      SHA1

      2206aeee33bf7f42f1cd20f7cb2a1ec4328d76a2

      SHA256

      96297bee096c1f9d4d5f60cfe7fef08357f58dbadcebae0ad0f657474c8b64be

      SHA512

      c9cd2852686acfa5e787f178faf0517c9001f05a85b61bde11d26451cfb2a421bcedfeb39bc8e596768169719394ee6f1aa040549c41fc9cd96e352cae8bed12

    • \Users\Admin\soci3.ocx
      Filesize

      847KB

      MD5

      761fc0ffbee1c39d53053c494f293a05

      SHA1

      6dd7e64201a52666c813f13457cce4f640df68e6

      SHA256

      31766a28b7f730d7d0664f7a51551a1251d6436f1c7790e9252fff49121ca235

      SHA512

      e32b93fc0a07554e67b32399d7eb102d3f72f580ae59f5e78654ad48086bc43be3e098c2d9729ad686221c6cdef3015539f137c0a0bdde2e5609ef06812ffee6

    • memory/208-297-0x0000000000000000-mapping.dmp
    • memory/728-118-0x00007FFFA23A0000-0x00007FFFA23B0000-memory.dmp
      Filesize

      64KB

    • memory/728-119-0x00007FFFA23A0000-0x00007FFFA23B0000-memory.dmp
      Filesize

      64KB

    • memory/728-120-0x00007FFFA23A0000-0x00007FFFA23B0000-memory.dmp
      Filesize

      64KB

    • memory/728-129-0x00007FFF9E920000-0x00007FFF9E930000-memory.dmp
      Filesize

      64KB

    • memory/728-130-0x00007FFF9E920000-0x00007FFF9E930000-memory.dmp
      Filesize

      64KB

    • memory/728-117-0x00007FFFA23A0000-0x00007FFFA23B0000-memory.dmp
      Filesize

      64KB

    • memory/1516-283-0x0000000000000000-mapping.dmp
    • memory/1536-291-0x0000000000000000-mapping.dmp
    • memory/1536-299-0x0000000002BE0000-0x0000000008B4F000-memory.dmp
      Filesize

      95.4MB

    • memory/1536-302-0x0000000002BE0000-0x0000000008B4F000-memory.dmp
      Filesize

      95.4MB

    • memory/1880-300-0x0000000000000000-mapping.dmp
    • memory/1980-277-0x0000000000000000-mapping.dmp
    • memory/2216-298-0x0000000000000000-mapping.dmp
    • memory/3008-272-0x0000000180000000-0x0000000180030000-memory.dmp
      Filesize

      192KB

    • memory/3008-269-0x0000000000000000-mapping.dmp
    • memory/3028-268-0x0000000000000000-mapping.dmp
    • memory/3472-301-0x0000000000000000-mapping.dmp