Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    22/03/2022, 13:06

General

  • Target
    ff9b1dad2e9b4ab569cc77868ef8e3e502fad02cf4d4b2e7c1f99491db9ad69f.dll
  • Size 599KB
  • Sample220322-qb4taafda2
  • SHA256 ff9b1dad2e9b4ab569cc77868ef8e3e502fad02cf4d4b2e7c1f99491db9ad69f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • emotet

Botnet
  • Epoch4

C2
  • 139.180.205.161:443

  • 209.15.236.39:8080

  • 195.154.253.60:8080

  • 217.182.143.207:443

  • 209.126.98.206:8080

  • 51.254.140.238:7080

  • 81.0.236.90:443

  • 131.100.24.231:80

  • 119.235.255.201:8080

  • 103.75.201.2:443

  • 159.8.59.82:8080

  • 207.38.84.195:8080

  • 50.116.54.215:443

  • 212.237.56.116:7080

  • 107.182.225.142:8080

  • 212.24.98.99:8080

  • 31.24.158.56:8080

  • 158.69.222.101:443

  • 138.185.72.26:8080

  • 203.114.109.124:443

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Drops file in Windows directory 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff9b1dad2e9b4ab569cc77868ef8e3e502fad02cf4d4b2e7c1f99491db9ad69f.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\ff9b1dad2e9b4ab569cc77868ef8e3e502fad02cf4d4b2e7c1f99491db9ad69f.dll
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1952
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
    1⤵
    • Drops file in Windows directory
    PID:5116

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1952-134-0x0000000010000000-0x0000000010028000-memory.dmp

        memory/5116-137-0x00000234C1B60000-0x00000234C1B70000-memory.dmp

        memory/5116-138-0x00000234C1BC0000-0x00000234C1BD0000-memory.dmp

        memory/5116-139-0x00000234C4150000-0x00000234C4154000-memory.dmp

        memory/5116-140-0x00000234C44E0000-0x00000234C44E4000-memory.dmp

        memory/5116-141-0x00000234C44E0000-0x00000234C44E4000-memory.dmp