Analysis

  • max time kernel
    4294195s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    17-03-2022 17:57

General

  • Target

    5516869cfde5ff0010265ea4b2521f26c7141227fecd964cc74f91255cf54dfc.dll

  • Size

    223KB

  • MD5

    99b42f71c4f22533463aab5ac62f6cce

  • SHA1

    1ff17e96521a8df55c7aee37ba26e10504f7f681

  • SHA256

    5516869cfde5ff0010265ea4b2521f26c7141227fecd964cc74f91255cf54dfc

  • SHA512

    708fb9ed8d604c2cac3d94f113204dcc09b42b622926f53515aa7fffbbff57bf0d38ebebc79b8bdce419dbd11412b0530f1cd3ab011c0af7f6bbcf3229ef5f12

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\5516869cfde5ff0010265ea4b2521f26c7141227fecd964cc74f91255cf54dfc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5516869cfde5ff0010265ea4b2521f26c7141227fecd964cc74f91255cf54dfc.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Uect\sdatv.umx",RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/468-59-0x00000000001F0000-0x000000000020F000-memory.dmp

    Filesize

    124KB

  • memory/1092-54-0x00000000752C1000-0x00000000752C3000-memory.dmp

    Filesize

    8KB

  • memory/1092-55-0x0000000000240000-0x000000000025F000-memory.dmp

    Filesize

    124KB