Analysis

  • max time kernel
    4294191s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    17-03-2022 18:15

General

  • Target

    1098a842a570431aaf5692836fb131806d3501a98414359e123348b8b0a26aec.dll

  • Size

    223KB

  • MD5

    0c5e65718cca64624770c0fd0ea104ad

  • SHA1

    10156c7d9377181bfb847e8841f01bcac828773a

  • SHA256

    1098a842a570431aaf5692836fb131806d3501a98414359e123348b8b0a26aec

  • SHA512

    cb65b5c84a707405e9b70edef6faf6b6d0065e88ff65638ecdc16f85036e15f2ea3962e886a117ad0ad346073a7ad923508583f07767124484d7422ba70585ed

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

97.120.3.198:80

70.180.33.202:80

50.116.111.59:8080

173.249.20.233:443

188.165.214.98:8080

172.104.97.173:8080

41.185.28.84:8080

120.150.218.241:443

217.20.166.178:7080

67.10.155.92:80

188.219.31.12:80

120.150.60.189:80

108.21.72.56:443

186.74.215.34:80

144.217.7.207:7080

152.170.205.73:80

49.205.182.134:80

187.161.206.24:80

95.213.236.64:8080

74.40.205.197:443

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet3 2 IoCs
  • Blocklisted process makes network request 6 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1098a842a570431aaf5692836fb131806d3501a98414359e123348b8b0a26aec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1098a842a570431aaf5692836fb131806d3501a98414359e123348b8b0a26aec.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:696
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Vxfk\wbwjrwn.hgn",RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/696-54-0x0000000076851000-0x0000000076853000-memory.dmp

    Filesize

    8KB

  • memory/696-55-0x0000000000280000-0x000000000029F000-memory.dmp

    Filesize

    124KB

  • memory/1456-59-0x0000000000270000-0x000000000028F000-memory.dmp

    Filesize

    124KB