Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2022, 10:49

General

  • Target

    MES_498.xls

  • Size

    91KB

  • MD5

    1c0c9828138572c16ac97ad41780ecc0

  • SHA1

    eaa0ec1617d83d5afcd3a2ebe689472949906457

  • SHA256

    271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63

  • SHA512

    0b24cf4df9130dbe11b7e121e674108749c6605e6fc7ec67d07a660c1c08b8a50077a7ed5fa60a8df9a032ecefc2c3c5d49cfda04011428f27c1e3333e42ff76

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgG

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://bosny.com/aspnet_client/R50QIOGjmvVlr/

xlm40.dropper

http://navylin.com/autopoisonous/4fZQW/

xlm40.dropper

http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/

xlm40.dropper

http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/

Extracted

Family

emotet

Botnet

Epoch5

C2

202.28.34.99:8080

80.211.107.116:8080

175.126.176.79:8080

218.38.121.17:443

139.196.72.155:8080

103.71.99.57:8080

87.106.97.83:7080

178.62.112.199:8080

64.227.55.231:8080

46.101.98.60:8080

54.37.228.122:443

128.199.217.206:443

190.145.8.4:443

209.239.112.82:8080

85.214.67.203:8080

198.199.70.22:8080

128.199.242.164:8080

178.238.225.252:8080

103.85.95.4:8080

103.126.216.86:443

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\MES_498.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4532
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4260
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XVTKHkfYFrcaBOHaO\ymfYEVj.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:1648
    • 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:3640
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CINyW\xMzy.dll"
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:5028
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:4608
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:2844

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          83b59fb810300c2dbddf3f7d739d25a4

          SHA1

          aa67e33414d97d297a3b86871dd6a9275fdb71d1

          SHA256

          6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf

          SHA512

          c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          83b59fb810300c2dbddf3f7d739d25a4

          SHA1

          aa67e33414d97d297a3b86871dd6a9275fdb71d1

          SHA256

          6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf

          SHA512

          c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          2921d0c367a6afd07fa379d54dbb3b3d

          SHA1

          93663425207efad8008cc2a96000ebb312afc84b

          SHA256

          048cacc4532a828d51457fad7f5171a2605d69289783b21c257cde00eb2be455

          SHA512

          f737650b7329711d1ec39971d9573fd5b178723dfc12ac7c2c03fa75cb3f19573fedc12135070333cb463b0b438ec705d2d4ec0314ded37bd43c94dd65509ff3

        • C:\Users\Admin\elv2.ooocccxxx

          Filesize

          621KB

          MD5

          2921d0c367a6afd07fa379d54dbb3b3d

          SHA1

          93663425207efad8008cc2a96000ebb312afc84b

          SHA256

          048cacc4532a828d51457fad7f5171a2605d69289783b21c257cde00eb2be455

          SHA512

          f737650b7329711d1ec39971d9573fd5b178723dfc12ac7c2c03fa75cb3f19573fedc12135070333cb463b0b438ec705d2d4ec0314ded37bd43c94dd65509ff3

        • C:\Windows\System32\CINyW\xMzy.dll

          Filesize

          621KB

          MD5

          2921d0c367a6afd07fa379d54dbb3b3d

          SHA1

          93663425207efad8008cc2a96000ebb312afc84b

          SHA256

          048cacc4532a828d51457fad7f5171a2605d69289783b21c257cde00eb2be455

          SHA512

          f737650b7329711d1ec39971d9573fd5b178723dfc12ac7c2c03fa75cb3f19573fedc12135070333cb463b0b438ec705d2d4ec0314ded37bd43c94dd65509ff3

        • C:\Windows\System32\XVTKHkfYFrcaBOHaO\ymfYEVj.dll

          Filesize

          621KB

          MD5

          83b59fb810300c2dbddf3f7d739d25a4

          SHA1

          aa67e33414d97d297a3b86871dd6a9275fdb71d1

          SHA256

          6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf

          SHA512

          c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

        • memory/4260-142-0x0000000001EC0000-0x0000000001EEE000-memory.dmp

          Filesize

          184KB

        • memory/4532-132-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

          Filesize

          64KB

        • memory/4532-138-0x00007FF8E1100000-0x00007FF8E1110000-memory.dmp

          Filesize

          64KB

        • memory/4532-137-0x00007FF8E1100000-0x00007FF8E1110000-memory.dmp

          Filesize

          64KB

        • memory/4532-136-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

          Filesize

          64KB

        • memory/4532-135-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

          Filesize

          64KB

        • memory/4532-134-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

          Filesize

          64KB

        • memory/4532-133-0x00007FF8E3A30000-0x00007FF8E3A40000-memory.dmp

          Filesize

          64KB