Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2022, 02:10

General

  • Target

    GT-6538 report.xls

  • Size

    217KB

  • MD5

    058d1345741ed17f47d31d1098548e9b

  • SHA1

    53575eaab47a6f3de3203d3ea8dade3c6534f1d3

  • SHA256

    470655b553de25ce935ea6721040d5cb046d8a23afa269293d4fdef745485f18

  • SHA512

    9eb66f84e12b5d8bd410f9ce7754201316f4e675b092b0a7def5ba2653884662761fc64919b0d8a160942f95d4d4d37a74d9caee353224e8ee08a852ac67f8b8

  • SSDEEP

    6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dglyY+TAQXTHGUMEyP5p6f5jQm7lnT:1bGUMVWlbN

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 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\GT-6538 report.xls"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:852
      • C:\Windows\system32\regsvr32.exe
        /S ..\oxnv1.ooccxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:520
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\SfCrjDPFQHQnM\kbqDsHcbNrn.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1060
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1968

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\oxnv1.ooccxx

          Filesize

          745KB

          MD5

          73c9e6a0275a9414062bea815ca7e8e3

          SHA1

          be0164b8e32198ac6379711ad29ee0ba89c793c6

          SHA256

          d282dd159fb5beac51ebd1134e58e18fb7c25138e9e967a813a7fd8bb458b90d

          SHA512

          6937863b1ea44607f413a870bc02e3c1be388acb6b78e95ea0458448b36e7c7937587f329e529bfae8d7db94b4aecc9833669cb05217dc49dab8dd8758be1f8d

        • \Users\Admin\oxnv1.ooccxx

          Filesize

          745KB

          MD5

          73c9e6a0275a9414062bea815ca7e8e3

          SHA1

          be0164b8e32198ac6379711ad29ee0ba89c793c6

          SHA256

          d282dd159fb5beac51ebd1134e58e18fb7c25138e9e967a813a7fd8bb458b90d

          SHA512

          6937863b1ea44607f413a870bc02e3c1be388acb6b78e95ea0458448b36e7c7937587f329e529bfae8d7db94b4aecc9833669cb05217dc49dab8dd8758be1f8d

        • \Users\Admin\oxnv1.ooccxx

          Filesize

          745KB

          MD5

          73c9e6a0275a9414062bea815ca7e8e3

          SHA1

          be0164b8e32198ac6379711ad29ee0ba89c793c6

          SHA256

          d282dd159fb5beac51ebd1134e58e18fb7c25138e9e967a813a7fd8bb458b90d

          SHA512

          6937863b1ea44607f413a870bc02e3c1be388acb6b78e95ea0458448b36e7c7937587f329e529bfae8d7db94b4aecc9833669cb05217dc49dab8dd8758be1f8d

        • memory/520-64-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp

          Filesize

          8KB

        • memory/520-66-0x0000000180000000-0x000000018002F000-memory.dmp

          Filesize

          188KB

        • memory/1980-58-0x0000000071FED000-0x0000000071FF8000-memory.dmp

          Filesize

          44KB

        • memory/1980-57-0x0000000075981000-0x0000000075983000-memory.dmp

          Filesize

          8KB

        • memory/1980-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1980-54-0x000000002F9C1000-0x000000002F9C4000-memory.dmp

          Filesize

          12KB

        • memory/1980-55-0x0000000071001000-0x0000000071003000-memory.dmp

          Filesize

          8KB

        • memory/1980-74-0x0000000071FED000-0x0000000071FF8000-memory.dmp

          Filesize

          44KB