Analysis

  • max time kernel
    130s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 00:03

General

  • Target

    E2-20200827_170621.exe

  • Size

    468KB

  • MD5

    4f136a9e2f9fba2574de04959eedc12a

  • SHA1

    379ef8b083a81f9f39c483b7e5401adbfcc1d376

  • SHA256

    594a9b230b48f81316bfc3963d949e9385d0f2d25f567f5e78eaa2b4eeb15686

  • SHA512

    bed021a27425f9b79e39d71a610c66f738f37762d2b3759baae42fb0cc4bad6c39c3b48320bf73b36f1317b5befa52a2c742e0e4a02220872bb0934c8f99281c

  • SSDEEP

    6144:ka0lzIF1MpaYcN2PVgQfgfunByqVbuoMdVZBfiUUvX8HQHkd2LDEn+GfzO9+/S97:EEjMpaYk2PuUgfE7byrZB1SR

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

172.91.208.86:80

45.55.36.51:443

91.83.93.99:7080

45.55.219.163:443

107.5.122.110:80

103.86.49.11:8080

85.105.205.77:8080

120.150.60.189:80

137.59.187.107:8080

139.59.60.244:8080

203.117.253.142:80

1.221.254.82:80

97.82.79.83:80

37.187.72.193:8080

139.99.158.11:443

152.168.248.128:443

74.208.45.104:8080

83.169.36.251:8080

169.239.182.217:8080

216.208.76.186:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet family
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\E2-20200827_170621.exe
    "C:\Users\Admin\AppData\Local\Temp\E2-20200827_170621.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Windows\SysWOW64\certenc\mfvdsp.exe
      "C:\Windows\SysWOW64\certenc\mfvdsp.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\certenc\mfvdsp.exe

    Filesize

    468KB

    MD5

    4f136a9e2f9fba2574de04959eedc12a

    SHA1

    379ef8b083a81f9f39c483b7e5401adbfcc1d376

    SHA256

    594a9b230b48f81316bfc3963d949e9385d0f2d25f567f5e78eaa2b4eeb15686

    SHA512

    bed021a27425f9b79e39d71a610c66f738f37762d2b3759baae42fb0cc4bad6c39c3b48320bf73b36f1317b5befa52a2c742e0e4a02220872bb0934c8f99281c

  • memory/1888-7-0x00000000003D0000-0x00000000003DC000-memory.dmp

    Filesize

    48KB

  • memory/1888-11-0x00000000003D0000-0x00000000003DC000-memory.dmp

    Filesize

    48KB

  • memory/1960-1-0x00000000003A0000-0x00000000003AC000-memory.dmp

    Filesize

    48KB

  • memory/1960-0-0x0000000000290000-0x0000000000299000-memory.dmp

    Filesize

    36KB

  • memory/1960-6-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB