Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 20:53

General

  • Target

    3c05fd3e6c4b0f4ddad5893903988aea_JaffaCakes118.exe

  • Size

    238KB

  • MD5

    3c05fd3e6c4b0f4ddad5893903988aea

  • SHA1

    855de130c514854f2e1663250f02d17c877ecebc

  • SHA256

    a083666b8366ca69685c15a2415bf5739271052383c78602914beff138e960aa

  • SHA512

    9f48f88252030a16664b0fa32ab2d08fc555a30e4319d592edacf345f8a005500550ad38bf7cc0d1edaa4afa847377c13003c4080e3f73ac1ffe4f51679bdb7a

  • SSDEEP

    3072:qFZJ0spZady+KI+DLd7wNJfgnzNgy8MRNFKTOfQu0TQ1R:qFZJ08AdAISL6/Y9RDKGQNQ1R

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

24.43.32.186:80

38.111.46.46:8080

134.209.36.254:8080

162.241.242.173:8080

74.120.55.163:80

61.92.17.12:80

219.74.18.66:443

156.155.166.221:80

104.131.44.150:8080

37.139.21.175:8080

94.1.108.190:443

169.239.182.217:8080

220.245.198.194:80

139.99.158.11:443

91.211.88.52:7080

62.75.141.82:80

174.45.13.118:80

137.119.36.33:80

188.219.31.12:80

103.86.49.11:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet payload 5 IoCs

    Detects Emotet payload in memory.

  • Executes dropped EXE 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: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c05fd3e6c4b0f4ddad5893903988aea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c05fd3e6c4b0f4ddad5893903988aea_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\SysWOW64\txflog\MSAlacEncoder.exe
      "C:\Windows\SysWOW64\txflog\MSAlacEncoder.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\txflog\MSAlacEncoder.exe

    Filesize

    238KB

    MD5

    3c05fd3e6c4b0f4ddad5893903988aea

    SHA1

    855de130c514854f2e1663250f02d17c877ecebc

    SHA256

    a083666b8366ca69685c15a2415bf5739271052383c78602914beff138e960aa

    SHA512

    9f48f88252030a16664b0fa32ab2d08fc555a30e4319d592edacf345f8a005500550ad38bf7cc0d1edaa4afa847377c13003c4080e3f73ac1ffe4f51679bdb7a

  • memory/2116-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2116-17-0x00000000004B0000-0x00000000004C0000-memory.dmp

    Filesize

    64KB

  • memory/2116-13-0x00000000006A0000-0x00000000006B2000-memory.dmp

    Filesize

    72KB

  • memory/5076-0-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/5076-1-0x00000000006C0000-0x00000000006D2000-memory.dmp

    Filesize

    72KB

  • memory/5076-5-0x00000000006E0000-0x00000000006F0000-memory.dmp

    Filesize

    64KB

  • memory/5076-8-0x00000000006B0000-0x00000000006BF000-memory.dmp

    Filesize

    60KB

  • memory/5076-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB