Analysis

  • max time kernel
    4294194s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    17-03-2022 18:33

General

  • Target

    c574e34acf64bbdb5db810cc239ecd2a12537c29d5115cc19b319be719f3d9ed.dll

  • Size

    265KB

  • MD5

    832360609fdaa9c875289a76f3011eae

  • SHA1

    a676c3cf60b256231d9656bfffc5ea9ca469dfa6

  • SHA256

    c574e34acf64bbdb5db810cc239ecd2a12537c29d5115cc19b319be719f3d9ed

  • SHA512

    db64f965cfe4827eeecd5040c20e61e2588bbf0cc795720091d258d0e478ae3ce9cff9e2ba90256665e758548692401901b3cac20d8df31e614a6456edac7e85

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\c574e34acf64bbdb5db810cc239ecd2a12537c29d5115cc19b319be719f3d9ed.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c574e34acf64bbdb5db810cc239ecd2a12537c29d5115cc19b319be719f3d9ed.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Otbj\wbz.xze",RunDLL
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        PID:1196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/268-54-0x0000000075841000-0x0000000075843000-memory.dmp

    Filesize

    8KB

  • memory/268-55-0x0000000000220000-0x000000000023F000-memory.dmp

    Filesize

    124KB

  • memory/1196-59-0x00000000005C0000-0x00000000005DF000-memory.dmp

    Filesize

    124KB