Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-07-2024 01:55

General

  • Target

    31e99afdc4bf7abcb2670e72b60c3f81_JaffaCakes118.exe

  • Size

    160KB

  • MD5

    31e99afdc4bf7abcb2670e72b60c3f81

  • SHA1

    c539128b457010008e7d9d9d9dc575faa480d716

  • SHA256

    a0988f5cb5840a17046eab281c84fc2d5634e280afb69c0d28b4f3d258ca117c

  • SHA512

    b690aa0296c98b0dbb121ca61c56ae56171330a140000d68f6ec29b8b06296b91387c5d4bbf84a8757fe4c915ab00decf41b91839b148cf1a579763ff1006942

  • SSDEEP

    3072:Gj5bi1jgM9Fl5NQaeJwGEr8UbPchbdyC:yojgCFRe2xgI0hb

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\31e99afdc4bf7abcb2670e72b60c3f81_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\31e99afdc4bf7abcb2670e72b60c3f81_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3624
    • C:\Windows\SysWOW64\mfc120ita\Windows.Networking.NetworkOperators.HotspotAuthentication.exe
      "C:\Windows\SysWOW64\mfc120ita\Windows.Networking.NetworkOperators.HotspotAuthentication.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\mfc120ita\Windows.Networking.NetworkOperators.HotspotAuthentication.exe

    Filesize

    160KB

    MD5

    31e99afdc4bf7abcb2670e72b60c3f81

    SHA1

    c539128b457010008e7d9d9d9dc575faa480d716

    SHA256

    a0988f5cb5840a17046eab281c84fc2d5634e280afb69c0d28b4f3d258ca117c

    SHA512

    b690aa0296c98b0dbb121ca61c56ae56171330a140000d68f6ec29b8b06296b91387c5d4bbf84a8757fe4c915ab00decf41b91839b148cf1a579763ff1006942

  • memory/2144-14-0x00000000007D0000-0x00000000007E0000-memory.dmp

    Filesize

    64KB

  • memory/2144-10-0x00000000007B0000-0x00000000007C2000-memory.dmp

    Filesize

    72KB

  • memory/3624-5-0x00000000004E0000-0x00000000004F0000-memory.dmp

    Filesize

    64KB

  • memory/3624-0-0x00000000004C0000-0x00000000004D2000-memory.dmp

    Filesize

    72KB

  • memory/3624-7-0x00000000004B0000-0x00000000004BF000-memory.dmp

    Filesize

    60KB

  • memory/3624-9-0x0000000000400000-0x000000000042B000-memory.dmp

    Filesize

    172KB