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Analysis

  • max time kernel
    96s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 22:35

General

  • Target

    4bb337352b1dd82be067083f8dc65660_JaffaCakes118.dll

  • Size

    340KB

  • MD5

    4bb337352b1dd82be067083f8dc65660

  • SHA1

    047930e4d309fc224adcd48c499bab5888a0b889

  • SHA256

    3b312c63c3c4d4ba258f99b9e5005b877c3a026a8e3ac7a376053c420fe67330

  • SHA512

    17a93623b2a6ad9f418516862d7cbaf6c2b0175b2f3ee84e5014d51bdff0a719b138f736a94b2316faa895449f8fa99892e3c168ab8425f5e96880bea2911414

  • SSDEEP

    3072:ovA1p08RqEQAIVEd2gG/vNlo0JFx/pANyCm0PQEKR/JnXHWP:o206xWgGxLxWN40PDKR/JnX2P

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

69.38.130.14:80

195.159.28.230:8080

162.241.204.233:8080

115.21.224.117:80

78.189.148.42:80

181.165.68.127:80

78.188.225.105:80

161.0.153.60:80

89.106.251.163:80

172.125.40.123:80

5.39.91.110:7080

110.145.11.73:80

190.251.200.206:80

144.217.7.207:7080

75.109.111.18:80

75.177.207.146:80

139.59.60.244:8080

70.183.211.3:80

95.213.236.64:8080

61.19.246.238:443

rsa_pubkey.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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bb337352b1dd82be067083f8dc65660_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bb337352b1dd82be067083f8dc65660_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Lblwf\pylm.wnk",TlyITYtZVJrTJho
        3⤵
        • Loads dropped DLL
        PID:3540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Lblwf\pylm.wnk

    Filesize

    340KB

    MD5

    4bb337352b1dd82be067083f8dc65660

    SHA1

    047930e4d309fc224adcd48c499bab5888a0b889

    SHA256

    3b312c63c3c4d4ba258f99b9e5005b877c3a026a8e3ac7a376053c420fe67330

    SHA512

    17a93623b2a6ad9f418516862d7cbaf6c2b0175b2f3ee84e5014d51bdff0a719b138f736a94b2316faa895449f8fa99892e3c168ab8425f5e96880bea2911414

  • memory/3008-0-0x0000000000F70000-0x0000000000F90000-memory.dmp

    Filesize

    128KB

  • memory/3008-1-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB

  • memory/3008-3-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB