Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10/11/2022, 10:37

General

  • Target

    8271_86469.xls

  • Size

    91KB

  • MD5

    6b2bb20f488ce6783b4565e9f363396b

  • SHA1

    d4aac041e2061ac46edefae615a1d5e82e4a3420

  • SHA256

    8adada5aa4d30926b43d052e6cb4168f6ba5f91b0670a922c0f5b5be17696eb5

  • SHA512

    44cd159419d085d307ee3d226a26bb9de1c81c1124f31df7b9063844191672aa5a0054a46c0c374ade9f4fbc1303fd0d925926fa8cd57a354cd06c3d5d2dccf6

  • SSDEEP

    1536:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgqbCXuZH4gb4CEn9J4ZXz3:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.conceptagency.net/css/b8eaKN/

xlm40.dropper

https://bencevendeghaz.hu/2zjoi/cwfKJOzA/

xlm40.dropper

http://45.32.114.141/xilte/Uqm6Eysf3Hkjwh/

xlm40.dropper

http://ruitaiwz.com/wp-admin/MXlp5IsUKwT1k0DtzT/

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 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\8271_86469.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1356
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1060
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      PID:1140
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\system32\regsvr32.exe
        /S ..\elv4.ooocccxxx
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1660
        • C:\Windows\system32\regsvr32.exe
          C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FmmgaZQPjfzwScvEq\FSHcjRxuZoBjwNnX.dll"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1676

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          d116dbcd3054af5ebab5374c82d51952

          SHA1

          3c84bc88251a196328d46f61051fd78c31db4a1d

          SHA256

          292a2fd7687179531f2c92eb70c3399f1100450689ba338f5be57ab8bee176f8

          SHA512

          d907482458586b1bba5bfe4792dec2d7932a8034eb1bcdc765407beda481a9f50a8aca775222be128cf92eb9ccb3fae5e223876e9d4571fcbcb795ad26df7ace

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          d116dbcd3054af5ebab5374c82d51952

          SHA1

          3c84bc88251a196328d46f61051fd78c31db4a1d

          SHA256

          292a2fd7687179531f2c92eb70c3399f1100450689ba338f5be57ab8bee176f8

          SHA512

          d907482458586b1bba5bfe4792dec2d7932a8034eb1bcdc765407beda481a9f50a8aca775222be128cf92eb9ccb3fae5e223876e9d4571fcbcb795ad26df7ace

        • \Users\Admin\elv4.ooocccxxx

          Filesize

          621KB

          MD5

          d116dbcd3054af5ebab5374c82d51952

          SHA1

          3c84bc88251a196328d46f61051fd78c31db4a1d

          SHA256

          292a2fd7687179531f2c92eb70c3399f1100450689ba338f5be57ab8bee176f8

          SHA512

          d907482458586b1bba5bfe4792dec2d7932a8034eb1bcdc765407beda481a9f50a8aca775222be128cf92eb9ccb3fae5e223876e9d4571fcbcb795ad26df7ace

        • memory/1480-58-0x000000007216D000-0x0000000072178000-memory.dmp

          Filesize

          44KB

        • memory/1480-63-0x000000007216D000-0x0000000072178000-memory.dmp

          Filesize

          44KB

        • memory/1480-54-0x000000002FA41000-0x000000002FA44000-memory.dmp

          Filesize

          12KB

        • memory/1480-57-0x0000000076201000-0x0000000076203000-memory.dmp

          Filesize

          8KB

        • memory/1480-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1480-55-0x0000000071181000-0x0000000071183000-memory.dmp

          Filesize

          8KB

        • memory/1660-71-0x000007FEFB991000-0x000007FEFB993000-memory.dmp

          Filesize

          8KB

        • memory/1660-73-0x0000000000160000-0x000000000018E000-memory.dmp

          Filesize

          184KB