Analysis

  • max time kernel
    147s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-05-2022 05:26

General

  • Target

    gcycyfyt.xls

  • Size

    106KB

  • MD5

    e0a06bd6797fdb3aa218121d2e58e4bb

  • SHA1

    69a62ca0344d6526b1d7d22faa14602b9390b3b0

  • SHA256

    82be92d18fb73fad9b6f0e90da074abbf2aaffd91c4493491620452f19bd281d

  • SHA512

    f6eca0001ea8416f4e08548fe8080401d758289e630c6e91fd773a1e00b8e2cee7fcf39798cef3da44818b2d3fbf93a26d6c99b398070444cf74303c0ceb409f

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\gcycyfyt.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:2024
    • 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:864
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Odmzvgxbm\kwwtnghskiza.bap"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1952

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\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/864-59-0x0000000000000000-mapping.dmp
  • memory/864-63-0x00000000001F0000-0x0000000000214000-memory.dmp
    Filesize

    144KB

  • memory/1952-66-0x0000000000000000-mapping.dmp
  • memory/1952-68-0x0000000000291000-0x00000000002B1000-memory.dmp
    Filesize

    128KB

  • memory/1952-69-0x0000000000290000-0x00000000002B4000-memory.dmp
    Filesize

    144KB

  • memory/2024-54-0x000000002FCC1000-0x000000002FCC4000-memory.dmp
    Filesize

    12KB

  • memory/2024-55-0x00000000711A1000-0x00000000711A3000-memory.dmp
    Filesize

    8KB

  • memory/2024-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2024-57-0x000000007218D000-0x0000000072198000-memory.dmp
    Filesize

    44KB

  • memory/2024-58-0x0000000074DD1000-0x0000000074DD3000-memory.dmp
    Filesize

    8KB