Analysis

  • max time kernel
    140s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    12-03-2022 20:14

General

  • Target

    7db8fd03a692bb738a317376009f01d2364f25003c4b1233d5c7b87dc86142fc.dll

  • Size

    204KB

  • MD5

    a4826731581295d5868fd23c92092ad3

  • SHA1

    883f38284923575e7339a48fd9325509362e76f2

  • SHA256

    7db8fd03a692bb738a317376009f01d2364f25003c4b1233d5c7b87dc86142fc

  • SHA512

    21070c48e3b002e21666a6d729f0579af9c0230ebb8115bd232fa09fbe2acaa2af555e298fcabb08a1a56967a8d3daba4e6f8c0806f2746ab0b76229f9cf8da2

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.

  • Blocklisted process makes network request 1 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 4 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\7db8fd03a692bb738a317376009f01d2364f25003c4b1233d5c7b87dc86142fc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7db8fd03a692bb738a317376009f01d2364f25003c4b1233d5c7b87dc86142fc.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Huqe\qvyu.rpa",RunDLL
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:2104

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Huqe\qvyu.rpa

    MD5

    a4826731581295d5868fd23c92092ad3

    SHA1

    883f38284923575e7339a48fd9325509362e76f2

    SHA256

    7db8fd03a692bb738a317376009f01d2364f25003c4b1233d5c7b87dc86142fc

    SHA512

    21070c48e3b002e21666a6d729f0579af9c0230ebb8115bd232fa09fbe2acaa2af555e298fcabb08a1a56967a8d3daba4e6f8c0806f2746ab0b76229f9cf8da2

  • memory/2104-138-0x0000000000C80000-0x0000000000C9F000-memory.dmp

    Filesize

    124KB

  • memory/4064-134-0x00000000012F0000-0x000000000130F000-memory.dmp

    Filesize

    124KB