Analysis

  • max time kernel
    136s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2022, 21:11

General

  • Target

    8c3cfdd7e1e162129eedf2c3d9f6f63c133622bfe5d04bccbd823486a85b69ed.xls

  • Size

    255KB

  • MD5

    18252d898a785e916760be3e63c29a78

  • SHA1

    769301632d80a6c5996e7f9514786e79d044db17

  • SHA256

    8c3cfdd7e1e162129eedf2c3d9f6f63c133622bfe5d04bccbd823486a85b69ed

  • SHA512

    86507a8d28982194e8cca9e95da98d17fde400393997eeb6df980e1da6549c8cb869ad347a0792423be75c8dcaaeb73df8d6e512bc363140cc06be834d60c775

  • SSDEEP

    6144:NKpb8rGYrMPe3q7Q0XV5xtuEsi8/dg9Niwrfx9rNFMMrttRzV5Dz3UxqC8LUcSw:mNbDjP9XH5XIqZLnSw

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.spinbalence.com/admin3693/Z6WQpmNRNj6041fU2zpt/

xlm40.dropper

http://kabaruntukrakyat.com/wp-content/ES/

xlm40.dropper

https://chobemaster.com/INFECTED/LEdXM4gdwN4mgnlC/

xlm40.dropper

http://cngst.com/data/fXWpDbJ3KwAybE/

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 4 IoCs

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

  • Downloads MZ/PE file
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 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 SetWindowsHookEx 12 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\8c3cfdd7e1e162129eedf2c3d9f6f63c133622bfe5d04bccbd823486a85b69ed.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2604
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:4164
    • 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:3292
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FvTKpERDRJDGZfORW\anChgjjpqt.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2128
    • 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:4320
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\YWmAefpE\kUDzZrHQRto.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:548
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
      2⤵
      • Process spawned unexpected child process
      PID:1604

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\oxnv2.ooccxx

          Filesize

          855KB

          MD5

          7ac6b0e266cd2d03decde625577137a6

          SHA1

          2aa7440da78b51290d3ed95b29ce06fa7c2627ad

          SHA256

          01be3baff5d4760056c3e2ca8ee7c638862bf3e46552f168e5e4576ff6747ed0

          SHA512

          6180e10538b8d6187c6ecde23059cca7ba351c362928504751ae70148b3126d58b6ec18abd1b42b62b303136db0bb2a6e0516c0bb1954dc13e696988fb5763cd

        • C:\Users\Admin\oxnv2.ooccxx

          Filesize

          855KB

          MD5

          7ac6b0e266cd2d03decde625577137a6

          SHA1

          2aa7440da78b51290d3ed95b29ce06fa7c2627ad

          SHA256

          01be3baff5d4760056c3e2ca8ee7c638862bf3e46552f168e5e4576ff6747ed0

          SHA512

          6180e10538b8d6187c6ecde23059cca7ba351c362928504751ae70148b3126d58b6ec18abd1b42b62b303136db0bb2a6e0516c0bb1954dc13e696988fb5763cd

        • C:\Users\Admin\oxnv3.ooccxx

          Filesize

          575KB

          MD5

          41e82dccd7687de38408b2acf54ba3b3

          SHA1

          3a2411866f05c8148ebe69fa8ee542bf70d59167

          SHA256

          9efdbe83c874a14282b0105fcec8dc46d9ba1de6496f5d570fa14915b8fd3285

          SHA512

          d20e9eaec301991e3cd125090a5679c19395c8d64fcf7bd710082600b7fee8ce8a8f7af94561f57ece985350bc10f060c18c2aabc37dda5fa413ea687d794e37

        • C:\Users\Admin\oxnv3.ooccxx

          Filesize

          575KB

          MD5

          41e82dccd7687de38408b2acf54ba3b3

          SHA1

          3a2411866f05c8148ebe69fa8ee542bf70d59167

          SHA256

          9efdbe83c874a14282b0105fcec8dc46d9ba1de6496f5d570fa14915b8fd3285

          SHA512

          d20e9eaec301991e3cd125090a5679c19395c8d64fcf7bd710082600b7fee8ce8a8f7af94561f57ece985350bc10f060c18c2aabc37dda5fa413ea687d794e37

        • C:\Users\Admin\oxnv4.ooccxx

          Filesize

          2KB

          MD5

          d6070bab3f3979868ff300eb3dffc72c

          SHA1

          6fa4d73760015589f933674b082281801e73ce0c

          SHA256

          8f89a4c2fccb6aeae7679673c17f1cb797c2867a1304ae7978bd36af31f3a1fa

          SHA512

          51f0dfa5f51c20c75c709c3f3e380187fb09a6b147b38a4785fd08199bc6ec15b68f53a371b6a3d1b57ee7b5752b7c302156cddf15162a0da80ea7d676c494f4

        • C:\Windows\System32\FvTKpERDRJDGZfORW\anChgjjpqt.dll

          Filesize

          855KB

          MD5

          7ac6b0e266cd2d03decde625577137a6

          SHA1

          2aa7440da78b51290d3ed95b29ce06fa7c2627ad

          SHA256

          01be3baff5d4760056c3e2ca8ee7c638862bf3e46552f168e5e4576ff6747ed0

          SHA512

          6180e10538b8d6187c6ecde23059cca7ba351c362928504751ae70148b3126d58b6ec18abd1b42b62b303136db0bb2a6e0516c0bb1954dc13e696988fb5763cd

        • C:\Windows\System32\YWmAefpE\kUDzZrHQRto.dll

          Filesize

          575KB

          MD5

          41e82dccd7687de38408b2acf54ba3b3

          SHA1

          3a2411866f05c8148ebe69fa8ee542bf70d59167

          SHA256

          9efdbe83c874a14282b0105fcec8dc46d9ba1de6496f5d570fa14915b8fd3285

          SHA512

          d20e9eaec301991e3cd125090a5679c19395c8d64fcf7bd710082600b7fee8ce8a8f7af94561f57ece985350bc10f060c18c2aabc37dda5fa413ea687d794e37

        • memory/2604-138-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

          Filesize

          64KB

        • memory/2604-135-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

          Filesize

          64KB

        • memory/2604-133-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

          Filesize

          64KB

        • memory/2604-134-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

          Filesize

          64KB

        • memory/2604-137-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

          Filesize

          64KB

        • memory/2604-132-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

          Filesize

          64KB

        • memory/2604-136-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

          Filesize

          64KB

        • memory/3292-143-0x0000000180000000-0x000000018002F000-memory.dmp

          Filesize

          188KB