Analysis

  • max time kernel
    151s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    17-03-2022 18:31

General

  • Target

    14e6418a5673336560969f9e41e6fd06f6de6e25c94e58f6093a36e2edb758ce.dll

  • Size

    219KB

  • MD5

    a03407ab825e9bdcec9c1c6f1f871671

  • SHA1

    f4204e011d95d688980d1fec94f1587b0fdd15f1

  • SHA256

    14e6418a5673336560969f9e41e6fd06f6de6e25c94e58f6093a36e2edb758ce

  • SHA512

    bcd4f778934c0b3ffb896e8aeeb092164a125eab05ba18414c8e7a8398cf326fc9ba844b3c0f364dca93eca04d88a90e5ddad52bce01ea402ff3730f5e744226

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

173.70.61.180:80

59.21.235.119:80

50.116.111.59:8080

173.249.20.233:443

188.165.214.98:8080

72.188.173.74:80

74.40.205.197:443

64.207.182.168:8080

97.120.3.198:80

190.29.166.0:80

123.176.25.234:80

155.186.9.160:80

138.68.87.218:443

139.99.158.11:443

78.24.219.147:8080

58.1.242.115:80

108.21.72.56:443

188.219.31.12:80

70.180.33.202:80

181.171.209.241:443

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
  • 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 14 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\14e6418a5673336560969f9e41e6fd06f6de6e25c94e58f6093a36e2edb758ce.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\14e6418a5673336560969f9e41e6fd06f6de6e25c94e58f6093a36e2edb758ce.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3164
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Waee\wgo.kwn",RunDLL
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:4480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Waee\wgo.kwn

    MD5

    a03407ab825e9bdcec9c1c6f1f871671

    SHA1

    f4204e011d95d688980d1fec94f1587b0fdd15f1

    SHA256

    14e6418a5673336560969f9e41e6fd06f6de6e25c94e58f6093a36e2edb758ce

    SHA512

    bcd4f778934c0b3ffb896e8aeeb092164a125eab05ba18414c8e7a8398cf326fc9ba844b3c0f364dca93eca04d88a90e5ddad52bce01ea402ff3730f5e744226

  • memory/3164-134-0x0000000000D60000-0x0000000000D7F000-memory.dmp

    Filesize

    124KB

  • memory/4480-138-0x00000000025D0000-0x00000000025EF000-memory.dmp

    Filesize

    124KB