Overview

overview

10

Static

static

3

87267eabc5...18.exe

windows7-x64

10

87267eabc5...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 18:21

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General

  • Target

    87267eabc51827f2ea300a7d818e86db_JaffaCakes118.exe

  • Size

    556KB

  • MD5

    87267eabc51827f2ea300a7d818e86db

  • SHA1

    00e4d5baaade662cb1fe169e6078858a9ae8274c

  • SHA256

    1abe9a6204a630022fe21b8b8da74e263b28b11a8cb92e7785cc38234b134411

  • SHA512

    f1c5094260530e85f3ee1ce22fc15a8e53ceb4b15a7bf91ebf6973e8d72c3bb81bf8b173b26ea556973c6ccc1983859d3bba744214b3db79d2eece6f8883649c

  • SSDEEP

    12288:O7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:O7L1yMgcnOds44Fp2PWUDI8

Score
10/10
discoveryevasionpersistencespywarestealerupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • UPX packed file 17 IoCs

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

    upx
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 52 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87267eabc51827f2ea300a7d818e86db_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\87267eabc51827f2ea300a7d818e86db_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Users\Admin\NB4wr66jY4.exe
      C:\Users\Admin\NB4wr66jY4.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Users\Admin\mvbuem.exe
        "C:\Users\Admin\mvbuem.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:3148
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3116
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1612
    • C:\Users\Admin\2xek.exe
      C:\Users\Admin\2xek.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        PID:4960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 80
          4⤵
          • Program crash
          PID:3388
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4744
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4908
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2316
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2688
    • C:\Users\Admin\3xek.exe
      C:\Users\Admin\3xek.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Users\Admin\AppData\Local\5f0d574a\X
        *0*bc*3d1bae96*31.193.3.240:53
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4092
        • C:\Windows\explorer.exe
          "C:\Windows\explorer.exe"
          4⤵
          • Modifies registry class
          PID:3228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 87267eabc51827f2ea300a7d818e86db_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1392
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1412
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4960 -ip 4960
    1⤵
      PID:1928

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

          • C:\Users\Admin\2xek.exe
            Filesize

            164KB

            MD5

            c94ab34868ec4624e1e7e95e234a48ed

            SHA1

            b419f37f2fabdac6598cf59fbc505de59a51de77

            SHA256

            9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

            SHA512

            e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

            Download Submit

          • C:\Users\Admin\3xek.exe
            Filesize

            251KB

            MD5

            2ce19a9f18fc524fe115603b4ad9b9aa

            SHA1

            30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

            SHA256

            6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

            SHA512

            c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

            Download Submit

          • C:\Users\Admin\AppData\Local\5f0d574a\X
            Filesize

            38KB

            MD5

            72de2dadaf875e2fd7614e100419033c

            SHA1

            5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

            SHA256

            c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

            SHA512

            e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

            Download Submit

          • C:\Users\Admin\NB4wr66jY4.exe
            Filesize

            224KB

            MD5

            5f3f430c5d00e2a2e4e1aae0e09078b9

            SHA1

            48a6be11c16e694c42fa0a0d05783177ba1c4adb

            SHA256

            b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

            SHA512

            3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

            Download Submit

          • C:\Users\Admin\mvbuem.exe
            Filesize

            224KB

            MD5

            dee3ea4767047bd3d7435cdf9af4ce78

            SHA1

            bb51724646dc6e4792da841fc7a064ac1900e8d6

            SHA256

            9e9dbaf53471855bd62130b33d623da0cf2be73930148c7c44a124c4ebd59cd9

            SHA512

            dff4fd2c41f55a59f5f0e26ed64e5447e24afe62455ce0c5181cc6d01a6ec49c98de51a18f77c47cd23aeb367b8dac2a4d4bf12c4571c04302b4b16465b91640

            Download Submit

          • memory/2316-64-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/2316-87-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/2316-56-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/2316-66-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/2688-63-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/2688-72-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/2688-67-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/2688-61-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/4744-53-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/4744-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/4744-85-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/4744-57-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/4744-58-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/4908-51-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download

          • memory/4908-59-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download

          • memory/4908-60-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download

          • memory/4908-86-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download

          • memory/5100-84-0x0000000030670000-0x00000000306C7000-memory.dmp

            Filesize

            348KB

            Download