Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 04:14

General

  • Target

    d383c044e3c868a3e83649a0b5d81e51_JaffaCakes118.exe

  • Size

    95KB

  • MD5

    d383c044e3c868a3e83649a0b5d81e51

  • SHA1

    e7bc677b0479dcb2e7b524058272db670bff0fbd

  • SHA256

    4182dce700b5c7b6c0510c9a2a100d8cb4ee5eead8ff3aca844d62d4f87589db

  • SHA512

    c4977cfd2c39765e06139ac1e6c0fabd790222a4ecc20d0a636221c286aa5d35f910bd3506c51bb0e6540aa319d8480ce68cb2d28b16d0a7e33af3d83e713a93

  • SSDEEP

    1536:L4ay5eVyitXhOCsJZwmOlKOoa47iBpi9MpvmK+ES6hpFzH23FUVXm6X8:Ma+KzVsCeZlOlKOoaaYvmK+EnNQFeX8

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

49.243.9.118:80

167.71.227.113:8080

190.85.46.52:7080

162.144.42.60:8080

86.57.216.23:80

202.166.170.43:80

118.243.83.70:80

36.91.44.183:80

118.33.121.37:80

116.202.10.123:8080

113.193.239.51:443

169.1.211.133:80

192.163.221.191:8080

115.79.59.157:80

51.38.201.19:7080

45.177.120.37:8080

190.194.12.132:80

185.80.172.199:80

128.106.187.110:80

73.55.128.120:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet payload 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d383c044e3c868a3e83649a0b5d81e51_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d383c044e3c868a3e83649a0b5d81e51_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Windows\SysWOW64\mfc40\asferror.exe
      "C:\Windows\SysWOW64\mfc40\asferror.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\mfc40\asferror.exe

    Filesize

    95KB

    MD5

    d383c044e3c868a3e83649a0b5d81e51

    SHA1

    e7bc677b0479dcb2e7b524058272db670bff0fbd

    SHA256

    4182dce700b5c7b6c0510c9a2a100d8cb4ee5eead8ff3aca844d62d4f87589db

    SHA512

    c4977cfd2c39765e06139ac1e6c0fabd790222a4ecc20d0a636221c286aa5d35f910bd3506c51bb0e6540aa319d8480ce68cb2d28b16d0a7e33af3d83e713a93

  • memory/2600-4-0x0000000000030000-0x0000000000040000-memory.dmp

    Filesize

    64KB

  • memory/2600-7-0x0000000000020000-0x000000000002F000-memory.dmp

    Filesize

    60KB

  • memory/2600-0-0x0000000000230000-0x0000000000242000-memory.dmp

    Filesize

    72KB

  • memory/2600-9-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB