Analysis

  • max time kernel
    144s
  • max time network
    133s
  • 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, 04:32

General

  • Target

    539a1ac1918f28f55a88e4bcbed0abd20105e2ac1997373148d3b473fa5723fb.xls

  • Size

    217KB

  • MD5

    531d1820e5b806673cb630f3fe909130

  • SHA1

    a73fa7b081f04681a4dcf95873a0e490c59736af

  • SHA256

    539a1ac1918f28f55a88e4bcbed0abd20105e2ac1997373148d3b473fa5723fb

  • SHA512

    c703397e99981299dc20401e503ed9e14aa83777b799120ec54e6ee8e2cca0b7da04ab58e7933ed0373c51b238b6d754f954485b1bd2290da6cd47e29c4b3f62

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQmM:JbGUMVWlbM

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 FindShellTrayWindow 2 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\539a1ac1918f28f55a88e4bcbed0abd20105e2ac1997373148d3b473fa5723fb.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4236
    • 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:4944
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XZUipojeEBi\GrRGmiZeQQEieIM.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4696
    • 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:5072
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UMkMMqZEgDp\qEXRpjrzzmolilIi.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4956
    • 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:5084
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NmLRmwSMf\mxJPhWGUNfCUNduN.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    6f5fa81c3023f6eb56d30ddfcb34bb07

    SHA1

    960127b2aad9a637584aad0918f1d509be780a18

    SHA256

    205eefdf16ad9a1c0eaf41333dfc8588ac8543d807b41408d875651259b348e7

    SHA512

    863546e9be74c02a876db396a4ccc25f312e737429b06543f712d93dfd3229f6aa06bf9ea7a0ad2486c2aff83b1d7511fb9e5ee19682d9b78ff293b912e64aa1

  • C:\Users\Admin\oxnv3.ooccxx

    Filesize

    751KB

    MD5

    129f52a484cff2623a84de14a273f776

    SHA1

    c46c876494debd40903dd55b15cc22876999ffbc

    SHA256

    5437897980f8ddca6a79bdd456c06932ae4de48c5748b76bb2739a2ffac2437e

    SHA512

    3e6653b139553a1360a147bd456f48bba686d437e16509f73372a7ccaa24f099a4864a6592686e8de9dda33d81ed604a1d98b1c0b7e6f69202583a8eb0e65fd0

  • C:\Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    2b6300bcaf07efb811099aaa4b85587a

    SHA1

    916e45332959a7718335b9f33725c868a6f43612

    SHA256

    6268ef26c70235b835c04812ef3ca3285aeb750602a2ca2be5a754dd007ba7bf

    SHA512

    539fde7046608202d96012df18fc10ac3732e5fac0da7232c36ec0b29b73f446f00a28a1f1423cd03aa4074ae7ed494651c5396d6ab858836f6e31c9cbf1fd6b

  • \Users\Admin\oxnv2.ooccxx

    Filesize

    751KB

    MD5

    6f5fa81c3023f6eb56d30ddfcb34bb07

    SHA1

    960127b2aad9a637584aad0918f1d509be780a18

    SHA256

    205eefdf16ad9a1c0eaf41333dfc8588ac8543d807b41408d875651259b348e7

    SHA512

    863546e9be74c02a876db396a4ccc25f312e737429b06543f712d93dfd3229f6aa06bf9ea7a0ad2486c2aff83b1d7511fb9e5ee19682d9b78ff293b912e64aa1

  • \Users\Admin\oxnv3.ooccxx

    Filesize

    751KB

    MD5

    129f52a484cff2623a84de14a273f776

    SHA1

    c46c876494debd40903dd55b15cc22876999ffbc

    SHA256

    5437897980f8ddca6a79bdd456c06932ae4de48c5748b76bb2739a2ffac2437e

    SHA512

    3e6653b139553a1360a147bd456f48bba686d437e16509f73372a7ccaa24f099a4864a6592686e8de9dda33d81ed604a1d98b1c0b7e6f69202583a8eb0e65fd0

  • \Users\Admin\oxnv4.ooccxx

    Filesize

    751KB

    MD5

    2b6300bcaf07efb811099aaa4b85587a

    SHA1

    916e45332959a7718335b9f33725c868a6f43612

    SHA256

    6268ef26c70235b835c04812ef3ca3285aeb750602a2ca2be5a754dd007ba7bf

    SHA512

    539fde7046608202d96012df18fc10ac3732e5fac0da7232c36ec0b29b73f446f00a28a1f1423cd03aa4074ae7ed494651c5396d6ab858836f6e31c9cbf1fd6b

  • memory/2672-123-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

    Filesize

    64KB

  • memory/2672-133-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp

    Filesize

    64KB

  • memory/2672-120-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

    Filesize

    64KB

  • memory/2672-132-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp

    Filesize

    64KB

  • memory/2672-122-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

    Filesize

    64KB

  • memory/2672-121-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

    Filesize

    64KB

  • memory/4944-279-0x0000000180000000-0x0000000180030000-memory.dmp

    Filesize

    192KB