Analysis

  • max time kernel
    130s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 11:05

General

  • Target

    41441b89c012079754eaf2e5d0cbb294_JaffaCakes118.exe

  • Size

    176KB

  • MD5

    41441b89c012079754eaf2e5d0cbb294

  • SHA1

    14930c29aae97fb38e95ca715e709aa0cd26c464

  • SHA256

    b9ba0c48ba26c864c4d22a8fd8efe648d6976f6795fbc845ac2687ea1f62f967

  • SHA512

    71bde2889ce76a1f0a6ca5acd48863ef3fc07c99525e7bea05cb0881afaebc7d8cc568cd92f09366219a01b69023c04b0b70425cf1fc1a1c24423b29cf546f46

  • SSDEEP

    1536:nRucTgvK09K1bheJJowUQLwedhQ8C/tC2t54LOFn1D4T/A7:nvgCRheJJowPkedh6t54Lun9oA7

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

70.121.172.89:80

116.202.234.183:8080

69.30.203.214:8080

185.94.252.104:443

64.183.73.122:80

190.55.181.54:443

37.70.8.161:80

174.137.65.18:80

203.153.216.189:7080

109.116.214.124:443

93.51.50.171:8080

190.160.53.126:80

222.214.218.37:4143

87.106.136.232:8080

113.160.130.116:8443

174.102.48.180:80

79.98.24.39:8080

189.212.199.126:443

89.186.91.200:443

24.233.112.152:80

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Emotet payload 4 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).

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41441b89c012079754eaf2e5d0cbb294_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\41441b89c012079754eaf2e5d0cbb294_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\KBDFTHRK\iernonce.exe
      "C:\Windows\SysWOW64\KBDFTHRK\iernonce.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 596
      2⤵
      • Program crash
      PID:4196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1080
      2⤵
      • Program crash
      PID:2904
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2004 -ip 2004
    1⤵
      PID:1788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2004 -ip 2004
      1⤵
        PID:2016

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\KBDFTHRK\iernonce.exe

        Filesize

        176KB

        MD5

        41441b89c012079754eaf2e5d0cbb294

        SHA1

        14930c29aae97fb38e95ca715e709aa0cd26c464

        SHA256

        b9ba0c48ba26c864c4d22a8fd8efe648d6976f6795fbc845ac2687ea1f62f967

        SHA512

        71bde2889ce76a1f0a6ca5acd48863ef3fc07c99525e7bea05cb0881afaebc7d8cc568cd92f09366219a01b69023c04b0b70425cf1fc1a1c24423b29cf546f46

      • memory/2004-0-0x0000000000AF0000-0x0000000000AFC000-memory.dmp

        Filesize

        48KB

      • memory/2004-4-0x0000000000AE0000-0x0000000000AE9000-memory.dmp

        Filesize

        36KB

      • memory/2004-11-0x0000000000400000-0x000000000042C000-memory.dmp

        Filesize

        176KB

      • memory/4648-6-0x00000000008B0000-0x00000000008BC000-memory.dmp

        Filesize

        48KB

      • memory/4648-10-0x00000000008B0000-0x00000000008BC000-memory.dmp

        Filesize

        48KB