Analysis

  • max time kernel
    101s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    07-07-2022 03:11

General

  • Target

    f125251f2624649b623a1552ed04b0965335b815a24c9d5ce0c782cb4e86cffc.xls

  • Size

    95KB

  • MD5

    472a0f9d4d9238b4b4adb4b480bac096

  • SHA1

    ef34131c508e8852989840d1dff811ab5f5c50e2

  • SHA256

    f125251f2624649b623a1552ed04b0965335b815a24c9d5ce0c782cb4e86cffc

  • SHA512

    69e258bba8226f8afda68aca228b37c0215f47dad9a141e7b0d70256773e4c96e21596010cc26d8edc40ff718f4c8464fca286a93603f0c6a74b9d32664e6dfa

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\f125251f2624649b623a1552ed04b0965335b815a24c9d5ce0c782cb4e86cffc.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3212
    • 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:3716
      • C:\Windows\system32\regsvr32.exe
        C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RHfOmeUYxhJmO\qKmdNLJAJWxv.dll"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1828
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx
      2⤵
      • Process spawned unexpected child process
      PID:3700
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx
      2⤵
      • Process spawned unexpected child process
      PID:1920
    • C:\Windows\System32\regsvr32.exe
      C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx
      2⤵
      • Process spawned unexpected child process
      PID:2112

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

    a943d5a3eae8f7aba07867202e0f5cb4

    SHA1

    f192fa5aac36ee0a240889f2c667e017d0fb9ac7

    SHA256

    d56a05632bd160c5a5decdeacdd9a9571596fdb9c6e107a07d95a297e182169d

    SHA512

    53c4f5c3f14d7fa84ce7c12c1abeef03064dfb35d2099f544b6219435c996249fa9f60e9cf6eec9c741417b5ecc27903f6f0b682acfeaf15c01ca7f3b07033fc

  • \Users\Admin\soci1.ocx
    Filesize

    312KB

    MD5

    a943d5a3eae8f7aba07867202e0f5cb4

    SHA1

    f192fa5aac36ee0a240889f2c667e017d0fb9ac7

    SHA256

    d56a05632bd160c5a5decdeacdd9a9571596fdb9c6e107a07d95a297e182169d

    SHA512

    53c4f5c3f14d7fa84ce7c12c1abeef03064dfb35d2099f544b6219435c996249fa9f60e9cf6eec9c741417b5ecc27903f6f0b682acfeaf15c01ca7f3b07033fc

  • memory/1828-288-0x0000000000000000-mapping.dmp
  • memory/1920-296-0x0000000000000000-mapping.dmp
  • memory/2112-299-0x0000000000000000-mapping.dmp
  • memory/3212-119-0x00007FFC45850000-0x00007FFC45860000-memory.dmp
    Filesize

    64KB

  • memory/3212-128-0x00007FFC41EE0000-0x00007FFC41EF0000-memory.dmp
    Filesize

    64KB

  • memory/3212-118-0x00007FFC45850000-0x00007FFC45860000-memory.dmp
    Filesize

    64KB

  • memory/3212-117-0x00007FFC45850000-0x00007FFC45860000-memory.dmp
    Filesize

    64KB

  • memory/3212-116-0x00007FFC45850000-0x00007FFC45860000-memory.dmp
    Filesize

    64KB

  • memory/3212-129-0x00007FFC41EE0000-0x00007FFC41EF0000-memory.dmp
    Filesize

    64KB

  • memory/3212-323-0x00007FFC45850000-0x00007FFC45860000-memory.dmp
    Filesize

    64KB

  • memory/3212-324-0x00007FFC45850000-0x00007FFC45860000-memory.dmp
    Filesize

    64KB

  • memory/3212-325-0x00007FFC45850000-0x00007FFC45860000-memory.dmp
    Filesize

    64KB

  • memory/3212-326-0x00007FFC45850000-0x00007FFC45860000-memory.dmp
    Filesize

    64KB

  • memory/3700-287-0x0000000000000000-mapping.dmp
  • memory/3716-274-0x0000000000000000-mapping.dmp
  • memory/3716-277-0x0000000180000000-0x000000018002D000-memory.dmp
    Filesize

    180KB