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Overview

overview

7

Static

static

3

a1f837e39d...18.exe

windows7-x64

7

a1f837e39d...18.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 09:11

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General

  • Target

    a1f837e39d1a7a0dabdb49034f52c582_JaffaCakes118.exe

  • Size

    387KB

  • MD5

    a1f837e39d1a7a0dabdb49034f52c582

  • SHA1

    ce1d4fefba19d2a2473adb2dbc6a76565e5d618e

  • SHA256

    48c3023e947f0076b0793ff034fec07208825c83395c04f9736a5f035a9221af

  • SHA512

    f1bfdf33ede2dea7c396f796838e00ba51485f66ce0c284d1895488038763623cbdc30ebcdc6be8498f28f0eaa9092cf26d797d5a2c8e0459e7e57c0b38445d4

  • SSDEEP

    6144:yAXKdCfpggm2knqybHIrqkSUVKZUkb3/eMmCzGac87abKNTAm:yhCxnmQyzaY8CfO+

Score
7/10
discoverypersistenceupx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Program crash 2 IoCs
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1f837e39d1a7a0dabdb49034f52c582_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a1f837e39d1a7a0dabdb49034f52c582_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 736 -s 840
      2⤵
      • Program crash
      PID:3588
    • C:\kM20302PpCbI20302\kM20302PpCbI20302.exe
      "\kM20302PpCbI20302\kM20302PpCbI20302.exe" "C:\Users\Admin\AppData\Local\Temp\a1f837e39d1a7a0dabdb49034f52c582_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 840
        3⤵
        • Program crash
        PID:4488
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 736 -ip 736
    1⤵
      PID:5072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5084 -ip 5084
      1⤵
        PID:3020

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\kM20302PpCbI20302\kM20302PpCbI20302.exe
        Filesize

        387KB

        MD5

        2f023249051b5444453b4e5696ae1233

        SHA1

        d128432929f66967e84f73051e9c814fdf51d3b2

        SHA256

        b8cf571bad463b29f628a4eee9960b293d227251891adab1926ea87ad3c198c0

        SHA512

        46326aa0c4350e74329191d54c75cb0fc80c60ef77e6fffbf67fb0cc2df22b42b3c4c7c2f368af61b06f0584513e17bbd9c30d669fe08317cd9e183ff6756d2c

        Download Submit

      • memory/736-0-0x0000000000670000-0x0000000000673000-memory.dmp

        Filesize

        12KB

        Download

      • memory/736-1-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

        Download

      • memory/736-2-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

        Download

      • memory/736-8-0x0000000000680000-0x0000000000681000-memory.dmp

        Filesize

        4KB

        Download

      • memory/736-160-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

        Download

      • memory/736-177-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

        Download