Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-05-2022 05:29

General

  • Target

    ?i=1hcioidel.xls

  • Size

    126KB

  • MD5

    ecf2c4a14f891fb3b09e3f1f8d53f35f

  • SHA1

    cc81ec1c9c2ed4f017740bdb530dfaac47013e90

  • SHA256

    65cb61155f04597306d3d063ed292605790a5dca2c616422756b23ef4d5c18df

  • SHA512

    767e7211048a91fb0e8b48bfc6207cfa1ae79cad4cd4b0325f6e8bb2755febfbb378c3954a4d33f3c52a6ae52152151cce77a4fdf8d3a0d089303d4fb68cfd62

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://drvishalchestclinic.com/wp-includes/SqqCZQ6y2uyFF/

xlm40.dropper

http://funestotal.com/5aclo1em/21U/

xlm40.dropper

http://g-wizcomputers.com/party/61W0ovBu86/

xlm40.dropper

http://primefind.com/1mall-uk/h5/

Extracted

Family

emotet

Botnet

Epoch4

C2

104.131.11.205:443

138.197.109.175:8080

187.84.80.182:443

79.143.187.147:443

189.232.46.161:443

51.91.76.89:8080

103.43.46.182:443

206.189.28.199:8080

45.176.232.124:443

107.182.225.142:8080

72.15.201.15:8080

209.250.246.206:443

164.68.99.3:8080

160.16.142.56:8080

134.122.66.193:8080

45.118.115.99:8080

183.111.227.137:8080

209.126.98.206:8080

1.234.2.232:8080

159.65.88.10:8080

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.

  • 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=1hcioidel.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:2044
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe -s ..\efhj.dll
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:340
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Wriyalfau\ihorp.grq"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:456

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\efhj.dll
    Filesize

    380KB

    MD5

    699a4d138df764498f437cc4ae433641

    SHA1

    c9237c54e9c5fc4fb8371cfb7865b81cfec1f416

    SHA256

    583b731ea6a6d63ddc33fb7aff7083b3858d16744310447118d001cbfbd6cf6b

    SHA512

    e35126e85bda0717cd492190ab0b5ad809d31b2ee3d4a91cfbba12bd241a38caf09b1fb36825936f21d7ad85f8579e279632ff910d0ebfdf899c806428aa1f5c

  • \Users\Admin\efhj.dll
    Filesize

    380KB

    MD5

    699a4d138df764498f437cc4ae433641

    SHA1

    c9237c54e9c5fc4fb8371cfb7865b81cfec1f416

    SHA256

    583b731ea6a6d63ddc33fb7aff7083b3858d16744310447118d001cbfbd6cf6b

    SHA512

    e35126e85bda0717cd492190ab0b5ad809d31b2ee3d4a91cfbba12bd241a38caf09b1fb36825936f21d7ad85f8579e279632ff910d0ebfdf899c806428aa1f5c

  • memory/340-59-0x0000000000000000-mapping.dmp
  • memory/340-63-0x00000000002F0000-0x0000000000314000-memory.dmp
    Filesize

    144KB

  • memory/456-66-0x0000000000000000-mapping.dmp
  • memory/456-68-0x0000000000370000-0x0000000000394000-memory.dmp
    Filesize

    144KB

  • memory/2044-54-0x000000002FC11000-0x000000002FC14000-memory.dmp
    Filesize

    12KB

  • memory/2044-55-0x0000000071301000-0x0000000071303000-memory.dmp
    Filesize

    8KB

  • memory/2044-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2044-57-0x0000000075441000-0x0000000075443000-memory.dmp
    Filesize

    8KB

  • memory/2044-58-0x00000000722ED000-0x00000000722F8000-memory.dmp
    Filesize

    44KB