Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 21:50

General

  • Target

    ?i=1.xls

  • Size

    106KB

  • MD5

    9c8d23b78158bb374cb274c7682256e4

  • SHA1

    41d3300ce86477de8e74721665033cd702e93496

  • SHA256

    7c9ef24f3522ff243e77f5d6e0cb50f6766916fcc1ad2fe845f9d509e39a6b3f

  • SHA512

    58cab814159294e275269a11ad7a04f66864e4361796053b7cd54a4aaf431f433fe8223ac307cb9a2089865fcda52ca61ffb015d4e8345da63e97a9df7593331

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.gessersh.com/wp-includes/ZwQLepW/

xlm40.dropper

http://www.garantihaliyikama.com/wp-admin/FjgB6I/

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.

  • 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\_i=1.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:968
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\urtj.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:692
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Owhyxhyu\pyanvqbkiuqa.atx"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\urtj.dll

    Filesize

    848KB

    MD5

    629f27c6044ab9df8708a32f83ec1a44

    SHA1

    64454ec32062089a580b983e69532ae7c348191c

    SHA256

    493f0a8c0e06eaa673713860c98ad1460119f32f7f2a2faaf2d71c2cedf53387

    SHA512

    75b36f7ec9052bf403be20300e472069bb0931fb2b3ac45c118416e44992cf9a6e971e3dc198e38563299fe83382c4e8b341696a1ef396603e35ac08eb2b15b4

  • \Users\Admin\urtj.dll

    Filesize

    848KB

    MD5

    629f27c6044ab9df8708a32f83ec1a44

    SHA1

    64454ec32062089a580b983e69532ae7c348191c

    SHA256

    493f0a8c0e06eaa673713860c98ad1460119f32f7f2a2faaf2d71c2cedf53387

    SHA512

    75b36f7ec9052bf403be20300e472069bb0931fb2b3ac45c118416e44992cf9a6e971e3dc198e38563299fe83382c4e8b341696a1ef396603e35ac08eb2b15b4

  • memory/692-59-0x0000000000000000-mapping.dmp

  • memory/692-63-0x00000000003E0000-0x0000000000404000-memory.dmp

    Filesize

    144KB

  • memory/968-54-0x000000002F141000-0x000000002F144000-memory.dmp

    Filesize

    12KB

  • memory/968-55-0x0000000070F41000-0x0000000070F43000-memory.dmp

    Filesize

    8KB

  • memory/968-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/968-57-0x0000000075B61000-0x0000000075B63000-memory.dmp

    Filesize

    8KB

  • memory/968-58-0x0000000071F2D000-0x0000000071F38000-memory.dmp

    Filesize

    44KB

  • memory/1728-66-0x0000000000000000-mapping.dmp

  • memory/1728-68-0x00000000001E0000-0x0000000000204000-memory.dmp

    Filesize

    144KB