Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    17-03-2022 18:04

General

  • Target

    d418ee1b0329647b931a53f47f40139a45e2fbd5fcff63894409dc485ece3c56.dll

  • Size

    322KB

  • MD5

    08e0da24f14e091d5351f3d95cee4c72

  • SHA1

    17b089a84055753de4169c655ccb6c8d75f04c02

  • SHA256

    d418ee1b0329647b931a53f47f40139a45e2fbd5fcff63894409dc485ece3c56

  • SHA512

    c7ba7e85319d5da31d73073e1b4405e8908dbe76e2c85919eff10cb43a5c5efbbaedb6c6516bda81947183dbab62d58e58dce42c0cfdb38ebc7fe696b468b9bc

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

197.87.160.216:80

78.188.225.105:80

50.116.111.59:8080

173.249.20.233:443

188.165.214.98:8080

188.219.31.12:80

157.245.99.39:8080

172.125.40.123:80

62.30.7.67:443

120.150.60.189:80

109.74.5.95:8080

67.10.155.92:80

67.170.250.203:443

2.58.16.89:8080

186.74.215.34:80

202.141.243.254:443

118.83.154.64:443

172.86.188.251:8080

37.187.72.193:8080

87.106.139.101:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet3 2 IoCs
  • Blocklisted process makes network request 5 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 12 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\d418ee1b0329647b931a53f47f40139a45e2fbd5fcff63894409dc485ece3c56.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3780
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d418ee1b0329647b931a53f47f40139a45e2fbd5fcff63894409dc485ece3c56.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Fofq\obtz.flw",RunDLL
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:1468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Fofq\obtz.flw

    MD5

    08e0da24f14e091d5351f3d95cee4c72

    SHA1

    17b089a84055753de4169c655ccb6c8d75f04c02

    SHA256

    d418ee1b0329647b931a53f47f40139a45e2fbd5fcff63894409dc485ece3c56

    SHA512

    c7ba7e85319d5da31d73073e1b4405e8908dbe76e2c85919eff10cb43a5c5efbbaedb6c6516bda81947183dbab62d58e58dce42c0cfdb38ebc7fe696b468b9bc

  • memory/1468-138-0x00000000026E0000-0x00000000026FF000-memory.dmp

    Filesize

    124KB

  • memory/1568-134-0x0000000000B80000-0x0000000000B9F000-memory.dmp

    Filesize

    124KB