Analysis

  • max time kernel
    139s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240729-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240729-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-07-2024 21:40

General

  • Target

    61fba50243874fe41779ea0a79123f18_JaffaCakes118.exe

  • Size

    212KB

  • MD5

    61fba50243874fe41779ea0a79123f18

  • SHA1

    a8d0fafa9e1a7f915ff48012fbd411ca33349049

  • SHA256

    2b2556f0afe860c46745aa9ab6babe993ef13e66acea3807416cbe626d00df57

  • SHA512

    04c44d1162fe81634c6472ff5c2ac5a9b3088a3ef54e8c21f73cd845949ecbb84a5c3d2d594255066120d66116942bb12e4220bdd1405feb923826af307402b0

  • SSDEEP

    3072:oKdoleKfKf1S7KI9wzET3ksCc88z9ltq/SGhJisRT8lusvwdoym:oKdlKfKs7KI9wolCcbXGms+FvY

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

38.18.235.242:80

5.196.108.189:8080

121.124.124.40:7080

104.236.246.93:8080

113.61.66.94:80

120.150.60.189:80

91.211.88.52:7080

47.144.21.12:443

108.46.29.236:80

139.162.108.71:8080

134.209.36.254:8080

139.59.60.244:8080

66.65.136.14:80

76.175.162.101:80

174.106.122.139:80

95.213.236.64:8080

174.45.13.118:80

50.35.17.13:80

209.141.54.221:8080

87.106.139.101:8080

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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\61fba50243874fe41779ea0a79123f18_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\61fba50243874fe41779ea0a79123f18_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\SysWOW64\Windows.Shell.ServiceHostBuilder\msvcp140_clr0400.exe
      "C:\Windows\SysWOW64\Windows.Shell.ServiceHostBuilder\msvcp140_clr0400.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Windows.Shell.ServiceHostBuilder\msvcp140_clr0400.exe

    Filesize

    212KB

    MD5

    61fba50243874fe41779ea0a79123f18

    SHA1

    a8d0fafa9e1a7f915ff48012fbd411ca33349049

    SHA256

    2b2556f0afe860c46745aa9ab6babe993ef13e66acea3807416cbe626d00df57

    SHA512

    04c44d1162fe81634c6472ff5c2ac5a9b3088a3ef54e8c21f73cd845949ecbb84a5c3d2d594255066120d66116942bb12e4220bdd1405feb923826af307402b0

  • memory/1520-0-0x00000000007A0000-0x00000000007B2000-memory.dmp

    Filesize

    72KB

  • memory/1520-4-0x0000000000590000-0x00000000005A0000-memory.dmp

    Filesize

    64KB

  • memory/1520-7-0x0000000000580000-0x000000000058F000-memory.dmp

    Filesize

    60KB

  • memory/1520-9-0x0000000000400000-0x0000000000436000-memory.dmp

    Filesize

    216KB

  • memory/2536-14-0x00000000005B0000-0x00000000005C0000-memory.dmp

    Filesize

    64KB

  • memory/2536-10-0x0000000000590000-0x00000000005A2000-memory.dmp

    Filesize

    72KB