Analysis

  • max time kernel
    4294220s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    17-03-2022 18:09

General

  • Target

    c5896f5b6430763cdee50b09902f98a063d8946bd0d0af769dc72cb6afabc49a.dll

  • Size

    223KB

  • MD5

    c6a58b64509a7dc0832da6e80ba69957

  • SHA1

    8e02faf7d4363e7eab558337d737125f2c1b7a17

  • SHA256

    c5896f5b6430763cdee50b09902f98a063d8946bd0d0af769dc72cb6afabc49a

  • SHA512

    f1824b84e73ec1c5d692654d236bbc5de1098f2f11312cb2c9c028f2bef4b495f608986458b64fb0441c91378cd68662748dedfdf54f25933b5425f6d5d5bfcc

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\c5896f5b6430763cdee50b09902f98a063d8946bd0d0af769dc72cb6afabc49a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5896f5b6430763cdee50b09902f98a063d8946bd0d0af769dc72cb6afabc49a.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:976
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mwuj\toh.gkm",RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/976-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB

  • memory/976-55-0x0000000000220000-0x000000000023F000-memory.dmp

    Filesize

    124KB

  • memory/1068-59-0x0000000000210000-0x000000000022F000-memory.dmp

    Filesize

    124KB