Analysis

  • max time kernel
    144s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    17-03-2022 18:35

General

  • Target

    d286766e237086a3aebb45d4528e57a43b4d43dc53a1a74a9cf84a08c36cd8fd.dll

  • Size

    223KB

  • MD5

    68188dddba538b70d227896e3b957df4

  • SHA1

    fd746e4b14a0c8d31c7e3bd0450c49d50142b647

  • SHA256

    d286766e237086a3aebb45d4528e57a43b4d43dc53a1a74a9cf84a08c36cd8fd

  • SHA512

    1bc4e4572a6ce133c818f21b4b1bec5b9713c13ce0eec6ce16f9b0cc14e7c185d8bc7faffb32d3e8b5f3422624667c40883b073ba22aa6da59a077fa925d664b

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 3 IoCs
  • Loads dropped DLL 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 8 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d286766e237086a3aebb45d4528e57a43b4d43dc53a1a74a9cf84a08c36cd8fd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d286766e237086a3aebb45d4528e57a43b4d43dc53a1a74a9cf84a08c36cd8fd.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Qvap\insbmb.pcd",RunDLL
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:1964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Qvap\insbmb.pcd

    MD5

    68188dddba538b70d227896e3b957df4

    SHA1

    fd746e4b14a0c8d31c7e3bd0450c49d50142b647

    SHA256

    d286766e237086a3aebb45d4528e57a43b4d43dc53a1a74a9cf84a08c36cd8fd

    SHA512

    1bc4e4572a6ce133c818f21b4b1bec5b9713c13ce0eec6ce16f9b0cc14e7c185d8bc7faffb32d3e8b5f3422624667c40883b073ba22aa6da59a077fa925d664b

  • memory/1964-138-0x0000000000FE0000-0x0000000000FFF000-memory.dmp

    Filesize

    124KB

  • memory/2448-134-0x0000000002B30000-0x0000000002B4F000-memory.dmp

    Filesize

    124KB