Analysis

  • max time kernel
    151s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-03-2023 08:44

General

  • Target

    tvL5LzDPr2aH3i9E.dll

  • Size

    536.9MB

  • MD5

    3734e7ac83e3013b2eedd095a38b2992

  • SHA1

    a9fd2e6cb607e3c977f0fc7222e9b190bfc75327

  • SHA256

    55a64669009e01b0b719a092a520b5973ce16bab7b1a02985e833d500bc9bfd7

  • SHA512

    98d36cc466b4c6ae2dde69145a438bfc7a69379bfd1e76980f4c3bae822b3897de4a24180ef556f053471e815146c4dc29a8991be8bb6dbbbb45dc4e6a921ede

  • SSDEEP

    12288:6iWi2RszBxSICcO5w6SudYEW/N4HTJ4NYu3cX:4inOcO5wJVETHTJwYusX

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\tvL5LzDPr2aH3i9E.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32.exe "C:\Windows\system32\BumlV\LHAXQTiQkh.dll"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      PID:1856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4988-133-0x00000000021E0000-0x000000000223A000-memory.dmp

    Filesize

    360KB

  • memory/4988-137-0x0000000000930000-0x0000000000931000-memory.dmp

    Filesize

    4KB