Analysis

  • max time kernel
    4294211s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    16-03-2022 06:04

General

  • Target

    cbcf4c9dc0cbe33a9f2807cbd9db8e449e304dedb7ad7e7316a66891b53a7e63.exe

  • Size

    524KB

  • MD5

    5012edf9b382e2edd9b5636342c29076

  • SHA1

    141f9b02dd64e1e50635cf86651b365512846a7f

  • SHA256

    cbcf4c9dc0cbe33a9f2807cbd9db8e449e304dedb7ad7e7316a66891b53a7e63

  • SHA512

    949f86b8fda97f68762828ed0cb88e087e3469cdfa188777af3a8a7929484aee97b922b38e3a3bdb2c55d088d0946ab24aa308b00401a829609847f72e0f9360

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

74.219.172.26:80

134.209.36.254:8080

104.156.59.7:8080

120.138.30.150:8080

194.187.133.160:443

104.236.246.93:8080

74.208.45.104:8080

78.187.156.31:80

187.161.206.24:80

94.23.216.33:80

172.91.208.86:80

91.211.88.52:7080

50.91.114.38:80

200.123.150.89:443

121.124.124.40:7080

62.75.141.82:80

5.196.74.210:8080

24.137.76.62:80

85.105.205.77:8080

139.130.242.43:80

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 SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cbcf4c9dc0cbe33a9f2807cbd9db8e449e304dedb7ad7e7316a66891b53a7e63.exe
    "C:\Users\Admin\AppData\Local\Temp\cbcf4c9dc0cbe33a9f2807cbd9db8e449e304dedb7ad7e7316a66891b53a7e63.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Windows\SysWOW64\KBDIC\deskperf.exe
      "C:\Windows\SysWOW64\KBDIC\deskperf.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\KBDIC\deskperf.exe

    MD5

    5012edf9b382e2edd9b5636342c29076

    SHA1

    141f9b02dd64e1e50635cf86651b365512846a7f

    SHA256

    cbcf4c9dc0cbe33a9f2807cbd9db8e449e304dedb7ad7e7316a66891b53a7e63

    SHA512

    949f86b8fda97f68762828ed0cb88e087e3469cdfa188777af3a8a7929484aee97b922b38e3a3bdb2c55d088d0946ab24aa308b00401a829609847f72e0f9360

  • memory/1648-65-0x0000000000390000-0x00000000003A2000-memory.dmp

    Filesize

    72KB

  • memory/1648-69-0x0000000000240000-0x0000000000250000-memory.dmp

    Filesize

    64KB

  • memory/1780-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

    Filesize

    8KB

  • memory/1780-59-0x00000000003E0000-0x00000000003F0000-memory.dmp

    Filesize

    64KB

  • memory/1780-55-0x00000000003C0000-0x00000000003D2000-memory.dmp

    Filesize

    72KB

  • memory/1780-62-0x0000000000240000-0x000000000024F000-memory.dmp

    Filesize

    60KB