Analysis

  • max time kernel
    135s
  • max time network
    147s
  • 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, 05:46

General

  • Target

    6886b074073752904eb5659f2a0c7c17aaeee46c6b2ea46ff8cc3abcbe825bcd.xls

  • Size

    217KB

  • MD5

    0181e3d8bd19a94ccc29abd2b7b7ccb8

  • SHA1

    7715b185ad0f08ee0b1a945876adf8f4f3ca1158

  • SHA256

    6886b074073752904eb5659f2a0c7c17aaeee46c6b2ea46ff8cc3abcbe825bcd

  • SHA512

    fa577f8ca3cac2f72d0ebda91783caad3ca73503245739c55ad3a0cf09051b4615c113eacc7bbf98a0bc795d1d1cfb6f4f016a92f7033f44d1079bf4fe434f23

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm7JnT:1bGUMVWlb5

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://app.clubdedocentes.com/storage/DCcq9ekgH99sI/

xlm40.dropper

http://linhkiendoc.com/app/payments/qoy5JqpLqrbsKl/

xlm40.dropper

http://sourcecool.com/throng/iOD/

Extracted

Family

emotet

Botnet

Epoch4

C2

45.235.8.30:8080

94.23.45.86:4143

119.59.103.152:8080

169.60.181.70:8080

164.68.99.3:8080

172.105.226.75:8080

107.170.39.149:8080

206.189.28.199:8080

1.234.2.232:8080

188.44.20.25:443

186.194.240.217:443

103.43.75.120:443

149.28.143.92:443

159.89.202.34:443

209.97.163.214:443

183.111.227.137:8080

129.232.188.93:443

139.59.126.41:443

110.232.117.186:8080

139.59.56.73:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Process spawned unexpected child process 2 IoCs

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

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 6 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\6886b074073752904eb5659f2a0c7c17aaeee46c6b2ea46ff8cc3abcbe825bcd.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TExFxaqBZAGJ\wgInzDcFTJ.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4852
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\oxnv1.ooccxx

    Filesize

    745KB

    MD5

    a405381a7d11c713851bfaa04da3ba8a

    SHA1

    938cbf991a8dc341eab35488b2ac4b4dfbe828c4

    SHA256

    06426b3c84ecf6ea3e4d2365a7181822143249b0e47009cff1fde5d5e039ba98

    SHA512

    dcfdf6d2157e6ba60f8c66af91a0da6871239e7fd0940796f3353cba5d44c7c381356938ccefbc7fb8dc815f61c49030f04695e444990eaf47d9893122289c58

  • \Users\Admin\oxnv1.ooccxx

    Filesize

    745KB

    MD5

    a405381a7d11c713851bfaa04da3ba8a

    SHA1

    938cbf991a8dc341eab35488b2ac4b4dfbe828c4

    SHA256

    06426b3c84ecf6ea3e4d2365a7181822143249b0e47009cff1fde5d5e039ba98

    SHA512

    dcfdf6d2157e6ba60f8c66af91a0da6871239e7fd0940796f3353cba5d44c7c381356938ccefbc7fb8dc815f61c49030f04695e444990eaf47d9893122289c58

  • memory/1980-120-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

    Filesize

    64KB

  • memory/1980-121-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

    Filesize

    64KB

  • memory/1980-122-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

    Filesize

    64KB

  • memory/1980-123-0x00007FFF4CAC0000-0x00007FFF4CAD0000-memory.dmp

    Filesize

    64KB

  • memory/1980-132-0x00007FFF49220000-0x00007FFF49230000-memory.dmp

    Filesize

    64KB

  • memory/1980-133-0x00007FFF49220000-0x00007FFF49230000-memory.dmp

    Filesize

    64KB

  • memory/4064-265-0x0000000180000000-0x000000018002F000-memory.dmp

    Filesize

    188KB