Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:26

General

  • Target

    3e539e156939607cb720f077b0987f49dff7b5a81133fd58a42e26c6bd29dbc1.xls

  • Size

    91KB

  • MD5

    8dd28229206c0a22ab38746134886cf5

  • SHA1

    075ce4f929f4fcad51bc76adc5d13b429c5c1f63

  • SHA256

    3e539e156939607cb720f077b0987f49dff7b5a81133fd58a42e26c6bd29dbc1

  • SHA512

    19d908332b7cab5c228bad237de55542a2f70a4261988bc09971a047c07cbaef46903cd0067520ee3ead9dfe725d915cbcee644b0311df3f0c15050df2fa8555

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgu

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

Extracted

Family

emotet

Botnet

Epoch5

C2

202.28.34.99:8080

80.211.107.116:8080

175.126.176.79:8080

218.38.121.17:443

139.196.72.155:8080

103.71.99.57:8080

87.106.97.83:7080

178.62.112.199:8080

64.227.55.231:8080

46.101.98.60:8080

54.37.228.122:443

128.199.217.206:443

190.145.8.4:443

209.239.112.82:8080

85.214.67.203:8080

198.199.70.22:8080

128.199.242.164:8080

178.238.225.252:8080

103.85.95.4:8080

103.126.216.86:443

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.

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 12 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\3e539e156939607cb720f077b0987f49dff7b5a81133fd58a42e26c6bd29dbc1.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:2832
    • 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:1832
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\GZKCRENOHYkUTA\PZlyytAPAouHnak.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1216
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\QbXMvfZigwygnh\WyNHVjZxv.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:304
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2324
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1764

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          54663713c4755b14824b36f31af99561

          SHA1

          242cb103a9c653490fe70e9624f8598d0351a88f

          SHA256

          64c4ca763f96b5ebf7c01b3f68d8d82a56872a274e2ea9cfbb9d8971794cc115

          SHA512

          374b79727f32540783b6370df3a0a95717abe0b441b5d1e85660371ed59d021acacee8c1027b74d246fcf5455df03340e9ed7349a78c615f49e904e0762886b0

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          d7bfaf3c09c80932a200c66c3a161683

          SHA1

          afaceec32f4af9050ba61cf02af92fe57ef47349

          SHA256

          b08c39695db1924e0fe34aca24471f6e6af18f34dea8a30e552df59514558cf1

          SHA512

          da079e07754c8126215dec58a47ebd299e014f0829d636218aa65d5cf73902f3e26dc07348b65e7b0616e12d8c2bd00f3291592ff1c5ff0c2bf8ae202e3f0f1c

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          54663713c4755b14824b36f31af99561

          SHA1

          242cb103a9c653490fe70e9624f8598d0351a88f

          SHA256

          64c4ca763f96b5ebf7c01b3f68d8d82a56872a274e2ea9cfbb9d8971794cc115

          SHA512

          374b79727f32540783b6370df3a0a95717abe0b441b5d1e85660371ed59d021acacee8c1027b74d246fcf5455df03340e9ed7349a78c615f49e904e0762886b0

        • \Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          d7bfaf3c09c80932a200c66c3a161683

          SHA1

          afaceec32f4af9050ba61cf02af92fe57ef47349

          SHA256

          b08c39695db1924e0fe34aca24471f6e6af18f34dea8a30e552df59514558cf1

          SHA512

          da079e07754c8126215dec58a47ebd299e014f0829d636218aa65d5cf73902f3e26dc07348b65e7b0616e12d8c2bd00f3291592ff1c5ff0c2bf8ae202e3f0f1c

        • memory/1832-281-0x00000000028B0000-0x00000000028DE000-memory.dmp

          Filesize

          184KB

        • memory/2832-118-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2832-115-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2832-117-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2832-116-0x00007FFB248E0000-0x00007FFB248F0000-memory.dmp

          Filesize

          64KB

        • memory/2832-128-0x00007FFB21390000-0x00007FFB213A0000-memory.dmp

          Filesize

          64KB

        • memory/2832-127-0x00007FFB21390000-0x00007FFB213A0000-memory.dmp

          Filesize

          64KB