Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 04:28

General

  • Target

    3846745dfeba8d788e792a37323079d1_JaffaCakes118.exe

  • Size

    408KB

  • MD5

    3846745dfeba8d788e792a37323079d1

  • SHA1

    5c5285d938639af2ad94c59ba91479054dea5f72

  • SHA256

    f3771674bae32a1943b68cbb44c15284218199abdec3fc8b3298ea5d855b29c0

  • SHA512

    de1f07d50417f8483d5fdb6442e7baa866c643e8aafa4d91c0d9ae043cbba47aa7154fb2a51fa097d7736da46b7ff2a30a1955600f8411c8bd30a4da2ffd9e57

  • SSDEEP

    6144:YZDhw/NG+86gQ/FGz8C0mDwwQYuzz3J7asoU:YZ9w/NVzXwQYuzz3JDl

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 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 16 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3846745dfeba8d788e792a37323079d1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3846745dfeba8d788e792a37323079d1_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2432
    • C:\Windows\SysWOW64\threadpoolwinrt\dsregtask.exe
      "C:\Windows\SysWOW64\threadpoolwinrt\dsregtask.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\threadpoolwinrt\dsregtask.exe

    Filesize

    408KB

    MD5

    3846745dfeba8d788e792a37323079d1

    SHA1

    5c5285d938639af2ad94c59ba91479054dea5f72

    SHA256

    f3771674bae32a1943b68cbb44c15284218199abdec3fc8b3298ea5d855b29c0

    SHA512

    de1f07d50417f8483d5fdb6442e7baa866c643e8aafa4d91c0d9ae043cbba47aa7154fb2a51fa097d7736da46b7ff2a30a1955600f8411c8bd30a4da2ffd9e57

  • memory/2432-8-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-9-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-13-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-12-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-11-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-10-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-21-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/2432-4-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-7-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-3-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-6-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-15-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-16-0x0000000000439000-0x000000000043A000-memory.dmp

    Filesize

    4KB

  • memory/2432-17-0x0000000003110000-0x0000000003120000-memory.dmp

    Filesize

    64KB

  • memory/2432-5-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/2432-14-0x0000000003100000-0x0000000003102000-memory.dmp

    Filesize

    8KB

  • memory/4932-41-0x0000000002270000-0x0000000002280000-memory.dmp

    Filesize

    64KB

  • memory/4932-31-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-36-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-35-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-34-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-33-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-32-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-37-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-30-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-29-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-28-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-39-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB

  • memory/4932-40-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/4932-46-0x0000000002270000-0x0000000002280000-memory.dmp

    Filesize

    64KB

  • memory/4932-45-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/4932-38-0x0000000002260000-0x0000000002262000-memory.dmp

    Filesize

    8KB