Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 03:09

General

  • Target

    32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe

  • Size

    446KB

  • MD5

    32685b34661f7c22f63ccd1b9cc4c923

  • SHA1

    da0e21a05fd8d903fbfb466546e1109290349b66

  • SHA256

    44aec256b604492a7357deed63696b9106d10c707aa8699e5d415f65bfec57ca

  • SHA512

    a35eae367b103de5a930bb16ffc0a03ce92d1b6cf48f4af1483ac0a0ce38a3de8ce3311cf3f2bc134bde3bea4b63eb89e9d83328b0587fc2da399086141b7bf1

  • SSDEEP

    6144:NwekW4xuXsbOrpc6tQvq6H/iawC7MLSnyZtC:NwvuXkOrpc7v7HaafM2nyZ

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

71.72.196.159:80

134.209.36.254:8080

120.138.30.150:8080

94.23.216.33:80

157.245.99.39:8080

137.59.187.107:8080

94.23.237.171:443

61.19.246.238:443

156.155.166.221:80

50.35.17.13:80

153.137.36.142:80

91.211.88.52:7080

209.141.54.221:8080

185.94.252.104:443

174.45.13.118:80

87.106.136.232:8080

62.75.141.82:80

213.196.135.145:80

188.219.31.12:80

82.80.155.43:80

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 18 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\32685b34661f7c22f63ccd1b9cc4c923_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\udhisapi\MSAMRNBEncoder.exe
      "C:\Windows\SysWOW64\udhisapi\MSAMRNBEncoder.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\udhisapi\MSAMRNBEncoder.exe

    Filesize

    446KB

    MD5

    32685b34661f7c22f63ccd1b9cc4c923

    SHA1

    da0e21a05fd8d903fbfb466546e1109290349b66

    SHA256

    44aec256b604492a7357deed63696b9106d10c707aa8699e5d415f65bfec57ca

    SHA512

    a35eae367b103de5a930bb16ffc0a03ce92d1b6cf48f4af1483ac0a0ce38a3de8ce3311cf3f2bc134bde3bea4b63eb89e9d83328b0587fc2da399086141b7bf1

  • memory/2604-14-0x0000000000550000-0x0000000000560000-memory.dmp

    Filesize

    64KB

  • memory/2604-10-0x0000000000530000-0x0000000000542000-memory.dmp

    Filesize

    72KB

  • memory/4560-7-0x00000000005E0000-0x00000000005EF000-memory.dmp

    Filesize

    60KB

  • memory/4560-4-0x00000000005F0000-0x0000000000600000-memory.dmp

    Filesize

    64KB

  • memory/4560-0-0x0000000000790000-0x00000000007A2000-memory.dmp

    Filesize

    72KB

  • memory/4560-9-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB