Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    18-01-2022 16:07

General

  • Target

    EMU_0.xlsm

  • Size

    99KB

  • MD5

    9101eb0286da12d9121ba2b2506330bf

  • SHA1

    c263303bceda6fc4da4101b5f0993d68e852260b

  • SHA256

    4889efed9c85c43bb7fc44b41b4fb792cf258ef217d882f3f04dff7ad4e84a34

  • SHA512

    cff7620d6ec7c6f843b693a9d3c135261ef9db48f1c5304f27810fed66e7f541c16e5311f8291f739edb35e90da736a6f0365228449ed87211d0295673a52012

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://shop.lambolero.com/iiwkjgp/eu7rH6/

Extracted

Family

emotet

Botnet

Epoch5

C2

45.138.98.34:80

69.16.218.101:8080

51.210.242.234:8080

185.148.168.220:8080

142.4.219.173:8080

54.38.242.185:443

191.252.103.16:80

104.131.62.48:8080

62.171.178.147:8080

217.182.143.207:443

168.197.250.14:80

37.44.244.177:8080

66.42.57.149:443

210.57.209.142:8080

159.69.237.188:443

116.124.128.206:8080

128.199.192.135:8080

195.154.146.35:443

185.148.168.15:8080

195.77.239.39:8080

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 4 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.

  • 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 28 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\EMU_0.xlsm
    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:1564
    • C:\Windows\SysWow64\rundll32.exe
      C:\Windows\SysWow64\rundll32.exe ..\ourl.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:640
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\ourl.ocx",DllRegisterServer
        3⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:1120
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wfebm\tulursmr.pyz",nonhewEp
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1984
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wfebm\tulursmr.pyz",DllRegisterServer
            5⤵
            • Blocklisted process makes network request
            • Suspicious behavior: EnumeratesProcesses
            PID:832

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\ourl.ocx
    MD5

    9c2906143fc05bf363fc3fc41e1529ba

    SHA1

    919e4af6be903815ad1079e38f8659cb754d9589

    SHA256

    bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33

    SHA512

    8136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7

  • \Users\Admin\ourl.ocx
    MD5

    9c2906143fc05bf363fc3fc41e1529ba

    SHA1

    919e4af6be903815ad1079e38f8659cb754d9589

    SHA256

    bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33

    SHA512

    8136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7

  • \Users\Admin\ourl.ocx
    MD5

    9c2906143fc05bf363fc3fc41e1529ba

    SHA1

    919e4af6be903815ad1079e38f8659cb754d9589

    SHA256

    bad818d7a2bfe44e4fb22b520e518050634bc81fa93e3ff1aa1f3b0dee8afd33

    SHA512

    8136e4452c1100941ae447ed7f9cb006a147db1c33b326b37c5b55ed5db0857e36afe1b8351f4e84aabfd66163a9854bd28a642aeb5c5465f4c203dfae65faa7

  • memory/640-61-0x00000000001E0000-0x0000000000208000-memory.dmp
    Filesize

    160KB

  • memory/832-87-0x0000000000460000-0x0000000000488000-memory.dmp
    Filesize

    160KB

  • memory/832-91-0x0000000002590000-0x00000000025B8000-memory.dmp
    Filesize

    160KB

  • memory/832-109-0x00000000026E0000-0x0000000002708000-memory.dmp
    Filesize

    160KB

  • memory/832-97-0x0000000002850000-0x0000000002878000-memory.dmp
    Filesize

    160KB

  • memory/832-95-0x00000000027F0000-0x0000000002818000-memory.dmp
    Filesize

    160KB

  • memory/832-93-0x0000000002640000-0x0000000002668000-memory.dmp
    Filesize

    160KB

  • memory/832-89-0x0000000000C80000-0x0000000000CA8000-memory.dmp
    Filesize

    160KB

  • memory/832-85-0x0000000000330000-0x0000000000358000-memory.dmp
    Filesize

    160KB

  • memory/832-83-0x0000000000150000-0x0000000000178000-memory.dmp
    Filesize

    160KB

  • memory/1120-73-0x00000000021C0000-0x00000000021E8000-memory.dmp
    Filesize

    160KB

  • memory/1120-71-0x0000000000D30000-0x0000000000D58000-memory.dmp
    Filesize

    160KB

  • memory/1120-69-0x0000000000BB0000-0x0000000000BD8000-memory.dmp
    Filesize

    160KB

  • memory/1120-67-0x00000000005C0000-0x00000000005E8000-memory.dmp
    Filesize

    160KB

  • memory/1120-65-0x00000000002A0000-0x00000000002C8000-memory.dmp
    Filesize

    160KB

  • memory/1564-54-0x000000002F5E1000-0x000000002F5E4000-memory.dmp
    Filesize

    12KB

  • memory/1564-57-0x00000000766D1000-0x00000000766D3000-memory.dmp
    Filesize

    8KB

  • memory/1564-55-0x0000000071BB1000-0x0000000071BB3000-memory.dmp
    Filesize

    8KB

  • memory/1564-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB