Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/11/2022, 19:10

General

  • Target

    a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.xls

  • Size

    91KB

  • MD5

    50edf8e28a4c5f13e49b31a07ce50ab5

  • SHA1

    73dcd5bb08692eedccc64c5e42d450acb4961ea9

  • SHA256

    a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430

  • SHA512

    3c2ec56da9616f23a69ededeeb21cfc86d7e5750701a14e498e2a5e21bf99316175f90330cc0c8cad6224a9ea28a61624112b7132277c1b7a72d0e98d7024772

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4ZMEM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgF

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/

xlm40.dropper

http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/

xlm40.dropper

https://wijsneusmedia.nl/cgi-bin/kFB/

xlm40.dropper

http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/

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\a17257a4a1a71d882ccfd9037e726639b49a70bde211c5dc647492f26d27c430.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:1892
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4648
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FXPqAHiSmmjers\EqRgm.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4924
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4704
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4852
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\HyXsVjW\wEsiGKGc.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:68
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2084
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FbaRvo\qElJNI.dll"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:3284

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          05bacb67e130c31419036b3281f4b10b

          SHA1

          3cabe19968c9836e3438b2763fd46c38c07d6391

          SHA256

          979cff8440bb0f0b555fadde036f10b1c859962e3d35b61d3b1b01e6fa2a6529

          SHA512

          b555b2efb460c2e2a0643baa27cabf33dbed61fd4a24b8b6ef5b4fbdcef9ef413ce94e5226f65150e5acbd960c3e17383195a38c487f6fefd1215637ada86240

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          3db1cb5400f35563d8ce55057152e7f7

          SHA1

          846073b00dce497d7e1f37b2082f0b2c552b267b

          SHA256

          28450a3f58d6fa6f0df122750348d8788c0e9b97b5600ed29ebdc65838ce5c8c

          SHA512

          4db4b7112521ee9d55e5b552adaa999f53a02af8a6f29eb2fff9c2a27074e06140ec350d58df4e3a274603fbafae0ec5aa7969965d8ce509bfdd1c5333c2dcbb

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          414ff0a2e4731e3dd9427df098233819

          SHA1

          850f35574fdafe22df9a02fe04ad69ee2a286e1e

          SHA256

          163187b153de523c3f3786a350d4f53e34c36808a81bcad3d84cefd944226130

          SHA512

          4b351891a7f507904318abf171a3b788cd542881af94738b7983956a43212290e36ec7087072e78d96cb95b86a1d727f7c939557dacc74fe926b21909f5e9b10

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          434KB

          MD5

          05bacb67e130c31419036b3281f4b10b

          SHA1

          3cabe19968c9836e3438b2763fd46c38c07d6391

          SHA256

          979cff8440bb0f0b555fadde036f10b1c859962e3d35b61d3b1b01e6fa2a6529

          SHA512

          b555b2efb460c2e2a0643baa27cabf33dbed61fd4a24b8b6ef5b4fbdcef9ef413ce94e5226f65150e5acbd960c3e17383195a38c487f6fefd1215637ada86240

        • \Users\Admin\elv3.ooocccxxx

          Filesize

          434KB

          MD5

          3db1cb5400f35563d8ce55057152e7f7

          SHA1

          846073b00dce497d7e1f37b2082f0b2c552b267b

          SHA256

          28450a3f58d6fa6f0df122750348d8788c0e9b97b5600ed29ebdc65838ce5c8c

          SHA512

          4db4b7112521ee9d55e5b552adaa999f53a02af8a6f29eb2fff9c2a27074e06140ec350d58df4e3a274603fbafae0ec5aa7969965d8ce509bfdd1c5333c2dcbb

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          434KB

          MD5

          414ff0a2e4731e3dd9427df098233819

          SHA1

          850f35574fdafe22df9a02fe04ad69ee2a286e1e

          SHA256

          163187b153de523c3f3786a350d4f53e34c36808a81bcad3d84cefd944226130

          SHA512

          4b351891a7f507904318abf171a3b788cd542881af94738b7983956a43212290e36ec7087072e78d96cb95b86a1d727f7c939557dacc74fe926b21909f5e9b10

        • memory/1892-128-0x00007FFE7C260000-0x00007FFE7C270000-memory.dmp

          Filesize

          64KB

        • memory/1892-116-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

          Filesize

          64KB

        • memory/1892-338-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

          Filesize

          64KB

        • memory/1892-337-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

          Filesize

          64KB

        • memory/1892-336-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

          Filesize

          64KB

        • memory/1892-335-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

          Filesize

          64KB

        • memory/1892-129-0x00007FFE7C260000-0x00007FFE7C270000-memory.dmp

          Filesize

          64KB

        • memory/1892-119-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

          Filesize

          64KB

        • memory/1892-118-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

          Filesize

          64KB

        • memory/1892-117-0x00007FFE7FCC0000-0x00007FFE7FCD0000-memory.dmp

          Filesize

          64KB

        • memory/4648-259-0x0000000180000000-0x0000000180030000-memory.dmp

          Filesize

          192KB