Overview

overview

10

Static

static

3

82fba3101d...18.exe

windows7-x64

10

82fba3101d...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2024, 04:11

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General

  • Target

    82fba3101db247976f4d23c08c85a15a_JaffaCakes118.exe

  • Size

    556KB

  • MD5

    82fba3101db247976f4d23c08c85a15a

  • SHA1

    d861c9428813a47fbc14b4533f48f3b486da62d4

  • SHA256

    100caca82059a8c0344ccdefdc85a7a7ad93eef99b6d889862fd30994d5191d5

  • SHA512

    48cef10fa4742992bb23b478b6d665bf0066024888f7bf2bc658cf6fa587c74100e16dee7a4cad23688e3265fbe9814a9a0ecfcd07154117c26bf6f2bec2793c

  • SSDEEP

    12288:L7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:L7L1yMgcnOds44Fp2PWUDI8

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 18 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\82fba3101db247976f4d23c08c85a15a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\82fba3101db247976f4d23c08c85a15a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3736
    • 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:2948
      • C:\Users\Admin\kaahii.exe
        "C:\Users\Admin\kaahii.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:2432
      • 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:3716
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4464
    • 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:1984
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        PID:1832
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 80
          4⤵
          • Program crash
          PID:1676
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3248
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4616
      • 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:3024
      • 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:1764
    • 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:1128
      • C:\Users\Admin\AppData\Local\6232a208\X
        *0*bc*bfaeb76*31.193.3.240:53
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1164
        • C:\Windows\explorer.exe
          "C:\Windows\explorer.exe"
          4⤵
          • Modifies registry class
          PID:1696
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 82fba3101db247976f4d23c08c85a15a_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2288
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1832 -ip 1832
    1⤵
      PID:2284

    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\6232a208\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\kaahii.exe
            Filesize

            224KB

            MD5

            14f68b2f4026418beb110a679ee0af6c

            SHA1

            c7772aa0dc0df4779eda632b5ec161707c53e57c

            SHA256

            374fd81950423ab6e128b4e3935606fbddc7f44475279afdc32ee99a24ebe4f8

            SHA512

            1ec0b89ae720cc9d39a4dce3c59f13d4de6826a16fb956799ec5d2256a392893d05c85e7227e91caf7f5a05ca17f993772dc62fcffed3e6ddd93f7c6f192c4d5

            Download Submit

          • memory/1128-83-0x0000000030670000-0x00000000306C7000-memory.dmp

            Filesize

            348KB

            Download

          • memory/1764-72-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/1764-67-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/1764-66-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/1764-64-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/3024-58-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3024-61-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3024-86-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3024-60-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3248-48-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/3248-50-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/3248-53-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/3248-56-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/3248-84-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/4616-51-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download

          • memory/4616-57-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download

          • memory/4616-54-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download

          • memory/4616-55-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download

          • memory/4616-85-0x0000000000400000-0x0000000000455000-memory.dmp

            Filesize

            340KB

            Download