Analysis

  • max time kernel
    185s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2022, 21:40

General

  • Target

    14408.xls

  • Size

    91KB

  • MD5

    43923f2dd90ef7bc51dce76cabff25dc

  • SHA1

    dffdfc5e30c4efac1b48e7964b12b1b537eb9ce4

  • SHA256

    ead31830ffa2f7421dfbb81a6dffa1388021494679b943cb824806863a6be300

  • SHA512

    dc0c5cd4ad463ab870cf72181247dd3e209eb5a4617d03e6b28c4c39f281bcd1345f646696fd2b8d3d5a7634c7ac0d720de5ffe44c0dd7ca22c15e9c174063b0

  • SSDEEP

    1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgIbCXuZH4gb4CEn9J4ZJhQvj:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgt

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://fixoutlet.com/logs/OGlRuU/

xlm40.dropper

http://www.cesasin.com.ar/administrator/viA95RR/

xlm40.dropper

http://blacktequila.com.br/2fb62HWWoKi5nfEq2D/XB5VOAXZkhVhSKveYUV/

xlm40.dropper

http://case.co.il/_js/dooigYa/

Extracted

Family

emotet

Botnet

Epoch5

C2

178.238.225.252:8080

139.196.72.155:8080

36.67.23.59:443

103.56.149.105:8080

37.44.244.177:8080

85.25.120.45:8080

202.134.4.210:7080

78.47.204.80:443

83.229.80.93:8080

93.104.209.107:8080

80.211.107.116:8080

165.22.254.236:8080

104.244.79.94:443

185.148.169.10:8080

190.145.8.4:443

175.126.176.79:8080

139.59.80.108:8080

188.165.79.151:443

128.199.217.206:443

64.227.55.231:8080

ecs1.plain
eck1.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 6 IoCs
  • Adds Run key to start application 2 TTPs 6 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 18 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 14 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\14408.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:3204
    • 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:4456
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\WdJVXfoXw\BfczZNgcKnc.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4200
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CddVKWpQJwvxdZ\zzRcPmkqglw.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:4424
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\SRkVc\pzhHgfgn.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2344

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          15e3cde75461e37aba5b3982fb9cf6e5

          SHA1

          d54fdfcbdcb6ac4e1552b42acc19e680825329c5

          SHA256

          51c515f1d30cc4345521f2f113fafce5ddca143d20d58d6768a53dacf781900a

          SHA512

          abc883fa0190ba4fa9b6bcd3b707af3c36324179ce74c0c4218456df03d133cef85cdee80d3405bf73b5da3c60dd7ac0198431fbaede6f92da0feaaf376daeca

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          591KB

          MD5

          15e3cde75461e37aba5b3982fb9cf6e5

          SHA1

          d54fdfcbdcb6ac4e1552b42acc19e680825329c5

          SHA256

          51c515f1d30cc4345521f2f113fafce5ddca143d20d58d6768a53dacf781900a

          SHA512

          abc883fa0190ba4fa9b6bcd3b707af3c36324179ce74c0c4218456df03d133cef85cdee80d3405bf73b5da3c60dd7ac0198431fbaede6f92da0feaaf376daeca

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          591KB

          MD5

          3479033a5ec6626ec2c2d24a9d19f796

          SHA1

          827ae23c2a0e8f287fd8ca301218481cfef3c2e6

          SHA256

          8badf47caa4eefafae7b15d7e2d17bbdd0d2bb55addd10bafefd20f251f75d24

          SHA512

          b361f6b96241f42fc39836bc65b8dc693603d4136226baf22a9d307fd6ce14133ff10a8c1529e8b2a98ed71104e1a18294fb90ca9b7fc2ec3e3e5e68ad4cd618

        • C:\Users\Admin\elv3.ooocccxxx

          Filesize

          591KB

          MD5

          3479033a5ec6626ec2c2d24a9d19f796

          SHA1

          827ae23c2a0e8f287fd8ca301218481cfef3c2e6

          SHA256

          8badf47caa4eefafae7b15d7e2d17bbdd0d2bb55addd10bafefd20f251f75d24

          SHA512

          b361f6b96241f42fc39836bc65b8dc693603d4136226baf22a9d307fd6ce14133ff10a8c1529e8b2a98ed71104e1a18294fb90ca9b7fc2ec3e3e5e68ad4cd618

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          0f2b02086295811395a96a99556cc9da

          SHA1

          79c1034e8204ec0945463620949f56280dd6f931

          SHA256

          5f8453b2a1536f903f83357852e84b01e37498d8ae993d118716dae9aec9fcb0

          SHA512

          820b614a9108bfd1cd90c04aa458b5ca010686358f0b1ddf36f663642a930acb0b6050689a5b43ca85df63fbd354a736fbda9ca5d830c397b1a162bcd0f696d2

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          591KB

          MD5

          0f2b02086295811395a96a99556cc9da

          SHA1

          79c1034e8204ec0945463620949f56280dd6f931

          SHA256

          5f8453b2a1536f903f83357852e84b01e37498d8ae993d118716dae9aec9fcb0

          SHA512

          820b614a9108bfd1cd90c04aa458b5ca010686358f0b1ddf36f663642a930acb0b6050689a5b43ca85df63fbd354a736fbda9ca5d830c397b1a162bcd0f696d2

        • C:\Windows\System32\CddVKWpQJwvxdZ\zzRcPmkqglw.dll

          Filesize

          591KB

          MD5

          3479033a5ec6626ec2c2d24a9d19f796

          SHA1

          827ae23c2a0e8f287fd8ca301218481cfef3c2e6

          SHA256

          8badf47caa4eefafae7b15d7e2d17bbdd0d2bb55addd10bafefd20f251f75d24

          SHA512

          b361f6b96241f42fc39836bc65b8dc693603d4136226baf22a9d307fd6ce14133ff10a8c1529e8b2a98ed71104e1a18294fb90ca9b7fc2ec3e3e5e68ad4cd618

        • C:\Windows\System32\SRkVc\pzhHgfgn.dll

          Filesize

          591KB

          MD5

          0f2b02086295811395a96a99556cc9da

          SHA1

          79c1034e8204ec0945463620949f56280dd6f931

          SHA256

          5f8453b2a1536f903f83357852e84b01e37498d8ae993d118716dae9aec9fcb0

          SHA512

          820b614a9108bfd1cd90c04aa458b5ca010686358f0b1ddf36f663642a930acb0b6050689a5b43ca85df63fbd354a736fbda9ca5d830c397b1a162bcd0f696d2

        • C:\Windows\System32\WdJVXfoXw\BfczZNgcKnc.dll

          Filesize

          591KB

          MD5

          15e3cde75461e37aba5b3982fb9cf6e5

          SHA1

          d54fdfcbdcb6ac4e1552b42acc19e680825329c5

          SHA256

          51c515f1d30cc4345521f2f113fafce5ddca143d20d58d6768a53dacf781900a

          SHA512

          abc883fa0190ba4fa9b6bcd3b707af3c36324179ce74c0c4218456df03d133cef85cdee80d3405bf73b5da3c60dd7ac0198431fbaede6f92da0feaaf376daeca

        • memory/960-176-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/960-134-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/960-175-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/960-174-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/960-133-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/960-132-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/960-177-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/960-135-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/960-138-0x00007FF9EC8D0000-0x00007FF9EC8E0000-memory.dmp

          Filesize

          64KB

        • memory/960-137-0x00007FF9EC8D0000-0x00007FF9EC8E0000-memory.dmp

          Filesize

          64KB

        • memory/960-136-0x00007FF9EEA10000-0x00007FF9EEA20000-memory.dmp

          Filesize

          64KB

        • memory/4456-143-0x0000000001210000-0x0000000001240000-memory.dmp

          Filesize

          192KB