Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-07-2023 07:12

General

  • Target

    LjyrJdll.dll

  • Size

    764KB

  • MD5

    07582d72f8f6c3a8a57c4668ae5c0bad

  • SHA1

    5aaca1808cb1f584bdb95c8d3dca3e3074d9b737

  • SHA256

    41e9efe5518a8cc6740f5f241b0a435335a27a538dbfad1751e85830fe5c05be

  • SHA512

    978fd192d0077c048cd7d661226e364a9fbbebbf078443535c485a76bbb1770342e1ba32ef015b70d095f04e7dc2b8641e2e3634952cc3a9e341047321195a8e

  • SSDEEP

    12288:hJheLDF+GBXYT7Ose6FPmg3TFtG2lqfn3tBzqgf/lvusL+o:hJhGgGJIJe6FPmg3O2lqfn3POS/lmsLL

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

194.9.172.107:8080

66.42.57.149:443

165.22.73.229:8080

202.29.239.162:443

104.248.225.227:8080

54.38.242.185:443

103.133.214.242:8080

78.47.204.80:443

210.57.209.142:8080

103.41.204.169:8080

118.98.72.86:443

88.217.172.165:8080

87.106.97.83:7080

85.25.120.45:8080

195.77.239.39:8080

37.44.244.177:8080

36.67.23.59:443

160.16.143.191:7080

54.38.143.246:7080

159.69.237.188:443

ecs1.plain
eck1.plain

Signatures

  • Emotet

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

  • Suspicious behavior: EnumeratesProcesses 2 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\LjyrJdll.dll
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\system32\regsvr32.exe
      C:\Windows\system32\regsvr32.exe "C:\Windows\system32\QkBRuQSjXospgkM\CsIGHzhkbMLpIB.dll"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2624

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2584-133-0x0000000180000000-0x0000000180031000-memory.dmp
    Filesize

    196KB

  • memory/2584-136-0x0000000002550000-0x0000000002551000-memory.dmp
    Filesize

    4KB

  • memory/2624-140-0x0000000180000000-0x0000000180031000-memory.dmp
    Filesize

    196KB