Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 08:50

General

  • Target

    4a4a0fa94a50b4ad04ccb4999fa7b89b_JaffaCakes118.exe

  • Size

    667KB

  • MD5

    4a4a0fa94a50b4ad04ccb4999fa7b89b

  • SHA1

    6b8e952ff77550718dd04c702e66d7ed5fa7805a

  • SHA256

    b760477f768e703c3303ef963fef44f85395c92b96149bb7706393df31ee3e62

  • SHA512

    9343322904a247fc357177e5da627e2273f902868ce669bb678c1843e65c9f1379225bf2b34901d9554dd46427c941567500273cb2f993f3ef6aabec5ceb296f

  • SSDEEP

    12288:U2JhG//t8C5VCFSoDpaQlHfl6mCiWDaBMFCUoCGsq:U2JC/t8iVNoDgQVN6mCipt5X

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

116.91.240.96:80

167.71.227.113:8080

190.85.46.52:7080

162.144.42.60:8080

202.166.170.43:80

95.216.205.155:8080

120.51.34.254:80

103.93.220.182:80

111.89.241.139:80

60.125.114.64:443

45.177.120.37:8080

185.86.148.68:443

75.127.14.170:8080

119.92.77.17:80

203.153.216.178:7080

172.96.190.154:8080

179.5.118.12:80

153.229.219.1:443

139.59.12.63:8080

115.79.195.246:80

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a4a0fa94a50b4ad04ccb4999fa7b89b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4a4a0fa94a50b4ad04ccb4999fa7b89b_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Windows\SysWOW64\wlanext\NAPCRYPT.exe
      "C:\Windows\SysWOW64\wlanext\NAPCRYPT.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:4536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\wlanext\NAPCRYPT.exe

    Filesize

    667KB

    MD5

    4a4a0fa94a50b4ad04ccb4999fa7b89b

    SHA1

    6b8e952ff77550718dd04c702e66d7ed5fa7805a

    SHA256

    b760477f768e703c3303ef963fef44f85395c92b96149bb7706393df31ee3e62

    SHA512

    9343322904a247fc357177e5da627e2273f902868ce669bb678c1843e65c9f1379225bf2b34901d9554dd46427c941567500273cb2f993f3ef6aabec5ceb296f

  • memory/1952-4-0x0000000002100000-0x0000000002110000-memory.dmp

    Filesize

    64KB

  • memory/1952-0-0x00000000020E0000-0x00000000020F2000-memory.dmp

    Filesize

    72KB

  • memory/1952-7-0x00000000020C0000-0x00000000020CF000-memory.dmp

    Filesize

    60KB

  • memory/1952-9-0x0000000000400000-0x00000000004AD000-memory.dmp

    Filesize

    692KB

  • memory/4536-14-0x0000000002490000-0x00000000024A0000-memory.dmp

    Filesize

    64KB

  • memory/4536-10-0x0000000002470000-0x0000000002482000-memory.dmp

    Filesize

    72KB