Analysis

  • max time kernel
    91s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2023 11:15

General

  • Target

    TRFM.dll

  • Size

    382KB

  • MD5

    8c406cb2c6fdda6a4b6e7324ab5357b7

  • SHA1

    25b701f32a7822f4d33a121d8330cd80232cf9ff

  • SHA256

    733ef8ec07f44abd1f57373fd7abfb963499ad841760699bbfbb35841d0316f5

  • SHA512

    de7de6c2165d69932ecbc8a2500395197807f41eb63bdf8c0d82d806c47e8b8613bfcfa78ad6967628ea51d063d3f502c6b3f5a3b00dbc68c1a98ac82bdf1caf

  • SSDEEP

    6144:rXVdd7gp5MPtqeiv2GkNCjptr4nllpmMRaamGSxUpKOtXUb4:rFdqp5MPtqeiaNC/SaSI+Ro4

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

202.28.34.99:8080

80.211.107.116:8080

175.126.176.79:8080

218.38.121.17:443

139.196.72.155:8080

103.71.99.57:8080

87.106.97.83:7080

178.62.112.199:8080

64.227.55.231:8080

46.101.98.60:8080

54.37.228.122:443

128.199.217.206:443

190.145.8.4:443

209.239.112.82:8080

85.214.67.203:8080

198.199.70.22:8080

128.199.242.164:8080

178.238.225.252:8080

103.85.95.4:8080

103.126.216.86:443

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\TRFM.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4300
    • C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MCcvUtMCNIe\DbkjMJaMsqCdsKKc.dll"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      PID:4728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4300-132-0x0000000180000000-0x000000018002E000-memory.dmp

    Filesize

    184KB

  • memory/4728-135-0x0000000000000000-mapping.dmp