Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    25-02-2022 18:38

General

  • Target

    c5c504ebd7f8f552f320fc37c51c459b461516d7c78cb696df151a8d7a3f3aaa.xlsm

  • Size

    173KB

  • MD5

    f5dcdef1591218656fea95b1a5a612e3

  • SHA1

    8bc34e334c863311aef836d97f2c8ee4b7f612c0

  • SHA256

    c5c504ebd7f8f552f320fc37c51c459b461516d7c78cb696df151a8d7a3f3aaa

  • SHA512

    af126d7899af895317611490b858c44f818ed9a353c5b6cec3678c20565c4782ed0e27bf067147dcaf60aeed7182d9905a1cf02fa5a5fc194d1e2ff65e0bda5d

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://realitevirtuelleguadeloupe.com/warp-visa/xogkV/

Extracted

Family

emotet

Botnet

Epoch4

C2

169.197.131.16:8080

195.154.253.60:8080

152.89.239.34:443

216.158.226.206:443

159.65.88.10:8080

209.126.98.206:8080

158.69.222.101:443

173.212.193.249:8080

185.157.82.211:8080

81.0.236.90:443

103.75.201.2:443

46.55.222.11:443

159.8.59.82:8080

207.38.84.195:8080

50.116.54.215:443

79.172.212.216:8080

212.237.17.99:8080

212.24.98.99:8080

178.79.147.66:8080

51.254.140.238:7080

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.

  • suricata: ET MALWARE W32/Emotet CnC Beacon 3

    suricata: ET MALWARE W32/Emotet CnC Beacon 3

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 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 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 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\c5c504ebd7f8f552f320fc37c51c459b461516d7c78cb696df151a8d7a3f3aaa.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Windows\SysWow64\regsvr32.exe
      C:\Windows\SysWow64\regsvr32.exe /s ..\xxw1.ocx
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Ehtffhndyc\prcioxcnaytsrdl.ahb"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1164

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\xxw1.ocx

    MD5

    07d1857a8e92333779599fe55dc18ffe

    SHA1

    96336381d75bd9699fc54d18918b57041c3ff033

    SHA256

    fbc115dc9e79343856fc647ffd9c86b089d81fa33c6ecb607dfcd9b362bab2b2

    SHA512

    e5638f5c69041bc8141d6f3ac71fa141ed2620c060932fafbfadd617e3b99a4d7d375122e56da12a8fdb2215c629670910bf07841d3765177eecbbfedc5ec71a

  • \Users\Admin\xxw1.ocx

    MD5

    07d1857a8e92333779599fe55dc18ffe

    SHA1

    96336381d75bd9699fc54d18918b57041c3ff033

    SHA256

    fbc115dc9e79343856fc647ffd9c86b089d81fa33c6ecb607dfcd9b362bab2b2

    SHA512

    e5638f5c69041bc8141d6f3ac71fa141ed2620c060932fafbfadd617e3b99a4d7d375122e56da12a8fdb2215c629670910bf07841d3765177eecbbfedc5ec71a

  • memory/1164-271-0x0000000002D50000-0x0000000002D78000-memory.dmp

    Filesize

    160KB

  • memory/1800-115-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

    Filesize

    64KB

  • memory/1800-116-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

    Filesize

    64KB

  • memory/1800-117-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

    Filesize

    64KB

  • memory/1800-118-0x00007FFEC7750000-0x00007FFEC7760000-memory.dmp

    Filesize

    64KB

  • memory/1800-121-0x00007FFF07765000-0x00007FFF07766000-memory.dmp

    Filesize

    4KB

  • memory/1800-122-0x00007FFF057EB000-0x00007FFF057EC000-memory.dmp

    Filesize

    4KB