Analysis

  • max time kernel
    4294215s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    31-03-2022 20:50

General

  • Target

    qd_34768.xlsm

  • Size

    46KB

  • MD5

    07f30f1fa5420f050ea5929af0f95265

  • SHA1

    6310b51fca4003fb36252367f058c2e990ba5734

  • SHA256

    48f3ef54ff2ed0b44d5e4836c56a3a8f3214d7214278172ef84166f6d42cc067

  • SHA512

    f16cad27fc864c23ed1c753f5eb319bf79f9d96c40edc70924b25410d5547c2c1bbb4c06b002f8e2bb246d35408bd4fa0e2e526a36ceb344fa399324e2758c80

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://eles-tech.com/css/KzMysMqFMs/

Extracted

Family

emotet

Botnet

Epoch4

C2

68.183.94.239:80

104.131.11.205:443

138.197.109.175:8080

187.84.80.182:443

79.143.187.147:443

216.158.226.206:443

167.99.115.35:8080

212.24.98.99:8080

1.234.21.73:7080

206.189.28.199:8080

158.69.222.101:443

164.68.99.3:8080

188.44.20.25:443

185.157.82.211:8080

134.122.66.193:8080

196.218.30.83:443

72.15.201.15:8080

5.9.116.246:8080

176.104.106.96:8080

153.126.146.25:7080

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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 14 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\qd_34768.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:1800
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\xewn.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Zdzdmv\wvqyld.zke"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1464

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\xewn.dll
    Filesize

    848KB

    MD5

    b919214a85847b6ab4758021c740e652

    SHA1

    590c10843f8d572be1c7be35c04292db17839ecb

    SHA256

    3e7c8c7b2a136fa9d519189f78549de4783417cfb6e8285351832088e5c8883b

    SHA512

    1e086096d9886552c6d58bf4235eac30beda9779c31eccf2b2c4fc5a054f18d27e06bff239424466028016ed619922fb9241720b983af0d2da90277b3c4b003a

  • \Users\Admin\xewn.dll
    Filesize

    848KB

    MD5

    b919214a85847b6ab4758021c740e652

    SHA1

    590c10843f8d572be1c7be35c04292db17839ecb

    SHA256

    3e7c8c7b2a136fa9d519189f78549de4783417cfb6e8285351832088e5c8883b

    SHA512

    1e086096d9886552c6d58bf4235eac30beda9779c31eccf2b2c4fc5a054f18d27e06bff239424466028016ed619922fb9241720b983af0d2da90277b3c4b003a

  • memory/1088-58-0x0000000000000000-mapping.dmp
  • memory/1088-59-0x0000000075081000-0x0000000075083000-memory.dmp
    Filesize

    8KB

  • memory/1088-62-0x0000000000310000-0x0000000000334000-memory.dmp
    Filesize

    144KB

  • memory/1464-65-0x0000000000000000-mapping.dmp
  • memory/1464-67-0x0000000000210000-0x0000000000234000-memory.dmp
    Filesize

    144KB

  • memory/1800-54-0x000000002F3A1000-0x000000002F3A4000-memory.dmp
    Filesize

    12KB

  • memory/1800-55-0x0000000070D41000-0x0000000070D43000-memory.dmp
    Filesize

    8KB

  • memory/1800-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1800-57-0x0000000071D2D000-0x0000000071D38000-memory.dmp
    Filesize

    44KB