Analysis

  • max time kernel
    4294197s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220223-en
  • submitted
    25-02-2022 06:21

General

  • Target

    074d6a15d774a7305a95f52bde743bfd05ec0c6dd5b4c16d717573a4efa23402.exe

  • Size

    356KB

  • MD5

    5ae22ee8033c6886ff7a84c07fce33c3

  • SHA1

    13f32a34d2bb7ccf8c4d901a4459e2bd58ed5348

  • SHA256

    074d6a15d774a7305a95f52bde743bfd05ec0c6dd5b4c16d717573a4efa23402

  • SHA512

    9ba1935def8593188ffebc7196f8d13b594fcc3cdbbe82168bcc6ecca1c636b8be2c93cc01da3433e197f3dff2a048cdacd8748b4aa75822c52fe9a87c2fe062

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

102.182.145.130:80

173.173.254.105:80

64.207.182.168:8080

51.89.199.141:8080

167.114.153.111:8080

173.63.222.65:80

218.147.193.146:80

59.125.219.109:443

172.104.97.173:8080

190.162.215.233:80

68.115.186.26:80

78.188.106.53:443

190.240.194.77:443

24.133.106.23:80

80.227.52.78:80

79.137.83.50:443

120.150.218.241:443

62.171.142.179:8080

194.4.58.192:7080

62.30.7.67:443

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet Payload 5 IoCs

    Detects Emotet payload in memory.

  • 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\074d6a15d774a7305a95f52bde743bfd05ec0c6dd5b4c16d717573a4efa23402.exe
    "C:\Users\Admin\AppData\Local\Temp\074d6a15d774a7305a95f52bde743bfd05ec0c6dd5b4c16d717573a4efa23402.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Windows\SysWOW64\wimserv\KBDTH3.exe
      "C:\Windows\SysWOW64\wimserv\KBDTH3.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:1040

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\wimserv\KBDTH3.exe
    MD5

    5ae22ee8033c6886ff7a84c07fce33c3

    SHA1

    13f32a34d2bb7ccf8c4d901a4459e2bd58ed5348

    SHA256

    074d6a15d774a7305a95f52bde743bfd05ec0c6dd5b4c16d717573a4efa23402

    SHA512

    9ba1935def8593188ffebc7196f8d13b594fcc3cdbbe82168bcc6ecca1c636b8be2c93cc01da3433e197f3dff2a048cdacd8748b4aa75822c52fe9a87c2fe062

  • memory/1040-64-0x00000000026A0000-0x00000000026D4000-memory.dmp
    Filesize

    208KB

  • memory/1040-67-0x00000000026E0000-0x0000000002713000-memory.dmp
    Filesize

    204KB

  • memory/1092-54-0x0000000075811000-0x0000000075813000-memory.dmp
    Filesize

    8KB

  • memory/1092-55-0x00000000003A0000-0x00000000003D4000-memory.dmp
    Filesize

    208KB

  • memory/1092-58-0x0000000000C70000-0x0000000000CA3000-memory.dmp
    Filesize

    204KB

  • memory/1092-62-0x0000000000360000-0x0000000000391000-memory.dmp
    Filesize

    196KB