Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10/11/2022, 10:22

General

  • Target

    4e82aab22d48af703d41e18b0faf56549f510561863834612b159b9bbbd309b1.xls

  • Size

    91KB

  • MD5

    66abb16dee56d264f1f194417ab4bba3

  • SHA1

    ba2e364c1cf1b37ca67246d606f4476f7decdba0

  • SHA256

    4e82aab22d48af703d41e18b0faf56549f510561863834612b159b9bbbd309b1

  • SHA512

    68e3fe21703e736b6a3c40d00f9cb2102ccb46a58233b637426ced678d76991bff29a738db34ba122e4f6c10a5d38997785f62376d8e90db3db7815daa736dae

  • SSDEEP

    1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/Cs9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgO

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

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

xlm40.dropper

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

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 1 IoCs

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

  • Downloads MZ/PE file
  • Loads dropped DLL 1 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 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 4 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\4e82aab22d48af703d41e18b0faf56549f510561863834612b159b9bbbd309b1.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2656
    • 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:4620
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\YGJXIExGFa\RXzTvzMpMgpqFTfC.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1388

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          f84e4a08139f4d10143eb8a2cc848c5a

          SHA1

          eb9f11f6b81d879aea3d072eb12e853e2e52ea31

          SHA256

          4f49b622a423bf1583fe4c46917254068e9d15c2f6ba6ac4642b8e238d8f8d4d

          SHA512

          d6022c6a9931eae5f63d077663e3f3205cd5bb7f35d30244dbd5df5c317d944a423bc55b659280cc811b12434322e6238349e37bbffe9fe418059e573b20f6a7

        • \Users\Admin\elv1.ooocccxxx

          Filesize

          621KB

          MD5

          f84e4a08139f4d10143eb8a2cc848c5a

          SHA1

          eb9f11f6b81d879aea3d072eb12e853e2e52ea31

          SHA256

          4f49b622a423bf1583fe4c46917254068e9d15c2f6ba6ac4642b8e238d8f8d4d

          SHA512

          d6022c6a9931eae5f63d077663e3f3205cd5bb7f35d30244dbd5df5c317d944a423bc55b659280cc811b12434322e6238349e37bbffe9fe418059e573b20f6a7

        • memory/1388-293-0x0000000002770000-0x000000000279E000-memory.dmp

          Filesize

          184KB

        • memory/2656-119-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

          Filesize

          64KB

        • memory/2656-120-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

          Filesize

          64KB

        • memory/2656-121-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

          Filesize

          64KB

        • memory/2656-122-0x00007FFF38D60000-0x00007FFF38D70000-memory.dmp

          Filesize

          64KB

        • memory/2656-131-0x00007FFF36210000-0x00007FFF36220000-memory.dmp

          Filesize

          64KB

        • memory/2656-132-0x00007FFF36210000-0x00007FFF36220000-memory.dmp

          Filesize

          64KB