Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-02-2024 22:02

General

  • Target

    a6276be3b2976a066cad14cacfd1264e75e7b1f99e0a588f4415efb55b80d6b0.dll

  • Size

    736KB

  • MD5

    8de6f0db50a0731d34a8943dd739e0dc

  • SHA1

    ceae5dc08531548f74fa3a46b9a66a4ddb3422bd

  • SHA256

    a6276be3b2976a066cad14cacfd1264e75e7b1f99e0a588f4415efb55b80d6b0

  • SHA512

    0b9cb8c5579e3d0e0ba2a804fda952308e23623ee5c04eee78e2a5790d4c4b213c0020df1bb9ae1f846b39b159026193d336ad4707ff5b4c44c7b8f2e4ebcafc

  • SSDEEP

    12288:WZjb8BOPxue5dKV9M/98f0koP5XvkgKtuBdfMAofD:WCBAdKV9Xf0kK3KMBdkAofD

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

45.76.1.145:443

217.182.25.250:8080

119.193.124.41:7080

192.99.251.50:443

146.59.226.45:443

173.212.193.249:8080

207.38.84.195:8080

45.118.135.203:7080

31.24.158.56:8080

209.126.98.206:8080

212.237.17.99:8080

216.158.226.206:443

50.30.40.196:8080

82.165.152.127:8080

159.8.59.82:8080

107.182.225.142:8080

110.232.117.186:8080

72.15.201.15:8080

5.9.116.246:8080

79.172.212.216:8080

eck1.plain
ecs1.plain

Signatures

  • Emotet

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

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a6276be3b2976a066cad14cacfd1264e75e7b1f99e0a588f4415efb55b80d6b0.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\a6276be3b2976a066cad14cacfd1264e75e7b1f99e0a588f4415efb55b80d6b0.dll
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3728
      • C:\Windows\SysWOW64\regsvr32.exe
        C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Ueohtcp\ledstf.ujh"
        3⤵
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:3176

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ueohtcp\ledstf.ujh

    Filesize

    736KB

    MD5

    8de6f0db50a0731d34a8943dd739e0dc

    SHA1

    ceae5dc08531548f74fa3a46b9a66a4ddb3422bd

    SHA256

    a6276be3b2976a066cad14cacfd1264e75e7b1f99e0a588f4415efb55b80d6b0

    SHA512

    0b9cb8c5579e3d0e0ba2a804fda952308e23623ee5c04eee78e2a5790d4c4b213c0020df1bb9ae1f846b39b159026193d336ad4707ff5b4c44c7b8f2e4ebcafc

  • memory/3176-5-0x0000000000A40000-0x0000000000A75000-memory.dmp

    Filesize

    212KB

  • memory/3728-0-0x0000000002620000-0x0000000002655000-memory.dmp

    Filesize

    212KB