Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 04:28

General

  • Target

    a204c133ac04a499a81762548942875d0319423cc77ad58c4acb4e6846718763.xls

  • Size

    95KB

  • MD5

    6a75553a3db36f3dc3129d597603db23

  • SHA1

    4f3c36a5729ad6355abebef0e5ce1e67f8bc6fa3

  • SHA256

    a204c133ac04a499a81762548942875d0319423cc77ad58c4acb4e6846718763

  • SHA512

    48b249c1c028f142e00a15e4caae63e1c6016ef4d4b36f4f18a123935d85ab784b977505c5a9897af3bf214642884599efb76af550c83b62548be363a96ddbbc

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://www.sunflowerlaboratory.in/fonts/79Tq62ly/

xlm40.dropper

http://dirigent.co.uk/vardagsekonomi/iC36jJ4J1cf/

xlm40.dropper

http://agtrade.hu/images/kiQYmOs2tSKq/

xlm40.dropper

https://www.zachboyle.com/wp-admin/EA470ZrTGNkuA/

Extracted

Family

emotet

Botnet

Epoch4

C2

94.23.45.86:4143

209.97.163.214:443

212.24.98.99:8080

103.43.75.120:443

183.111.227.137:8080

197.242.150.244:8080

129.232.188.93:443

159.65.88.10:8080

163.44.196.120:8080

51.161.73.194:443

164.90.222.65:443

159.89.202.34:443

1.234.2.232:8080

150.95.66.124:8080

51.91.76.89:8080

196.218.30.83:443

5.9.116.246:8080

146.59.226.45:443

173.212.193.249:8080

213.241.20.155:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Process spawned unexpected child process 4 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
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\a204c133ac04a499a81762548942875d0319423cc77ad58c4acb4e6846718763.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4016
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MxXSQpSUayJExWu\lxEZSgZdCgphtJ.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4444
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3736
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:4828
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3216

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\soci1.ocx
    Filesize

    312KB

    MD5

    89759d4422b702140db9cb43bf9c5d9c

    SHA1

    cc7d2f905038c412d9b6e3a96f25d3a589f11a09

    SHA256

    b8f33aba8ebf8da37b2a05b98cbbc4e0dd8a197e510f2280fa57dc6cf91be595

    SHA512

    455ab63d09f44695000bbe7231cb528cfed7a745686e63c1467a9c200b0b0a23178d1d0ab0141091fdcd76b8db312350313b383c8650f5d61e44aed841f8f2bd

  • \Users\Admin\soci1.ocx
    Filesize

    312KB

    MD5

    89759d4422b702140db9cb43bf9c5d9c

    SHA1

    cc7d2f905038c412d9b6e3a96f25d3a589f11a09

    SHA256

    b8f33aba8ebf8da37b2a05b98cbbc4e0dd8a197e510f2280fa57dc6cf91be595

    SHA512

    455ab63d09f44695000bbe7231cb528cfed7a745686e63c1467a9c200b0b0a23178d1d0ab0141091fdcd76b8db312350313b383c8650f5d61e44aed841f8f2bd

  • memory/2764-118-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp
    Filesize

    64KB

  • memory/2764-119-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp
    Filesize

    64KB

  • memory/2764-120-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp
    Filesize

    64KB

  • memory/2764-129-0x00007FFE80A50000-0x00007FFE80A60000-memory.dmp
    Filesize

    64KB

  • memory/2764-130-0x00007FFE80A50000-0x00007FFE80A60000-memory.dmp
    Filesize

    64KB

  • memory/2764-117-0x00007FFE836A0000-0x00007FFE836B0000-memory.dmp
    Filesize

    64KB

  • memory/3216-280-0x0000000000000000-mapping.dmp
  • memory/3736-268-0x0000000000000000-mapping.dmp
  • memory/4016-257-0x0000000000000000-mapping.dmp
  • memory/4016-260-0x0000000180000000-0x000000018002D000-memory.dmp
    Filesize

    180KB

  • memory/4444-269-0x0000000000000000-mapping.dmp
  • memory/4828-275-0x0000000000000000-mapping.dmp