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Overview

overview

10

Static

static

3

e1ac6db7c3...18.exe

windows7-x64

3

e1ac6db7c3...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/09/2024, 04:06

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General

  • Target

    e1ac6db7c31fd23ef5b4d029a826ea97_JaffaCakes118.exe

  • Size

    524KB

  • MD5

    e1ac6db7c31fd23ef5b4d029a826ea97

  • SHA1

    2d27eeba650066f80ab7af44053a23d057f00fd0

  • SHA256

    4d631eb57dc2affec9c50e59e2d984735ef05d67914106d2db716d7ca055fe58

  • SHA512

    9741e29e60b6a3ae512a48d11539195888aa49e91976292b257cf07b5caef776fb4bb0bdcd07c99c42798c5ec46b44e2bcd5b3923f7de99489fb6552a36ca8c2

  • SSDEEP

    12288:SSFMFpuhRp8tmnkX4C4IosE/rSkU19Zt/kMM22:lF+u+gkX3o1jSkErM2

Score
10/10
discoveryevasionpersistenceupx

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
  • UPX packed file 16 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 11 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\e1ac6db7c31fd23ef5b4d029a826ea97_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e1ac6db7c31fd23ef5b4d029a826ea97_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3936
    • C:\Users\Admin\JB3O2vP3.exe
      C:\Users\Admin\JB3O2vP3.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:4192
      • C:\Users\Admin\biuraiq.exe
        "C:\Users\Admin\biuraiq.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:5008
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del JB3O2vP3.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3132
    • C:\Users\Admin\2sun.exe
      C:\Users\Admin\2sun.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3240
      • C:\Users\Admin\2sun.exe
        "C:\Users\Admin\2sun.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1168
      • C:\Users\Admin\2sun.exe
        "C:\Users\Admin\2sun.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2076
      • C:\Users\Admin\2sun.exe
        "C:\Users\Admin\2sun.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:2360
      • C:\Users\Admin\2sun.exe
        "C:\Users\Admin\2sun.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4188
      • C:\Users\Admin\2sun.exe
        "C:\Users\Admin\2sun.exe"
        3⤵
        • Executes dropped EXE
        PID:2096
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 80
          4⤵
          • Program crash
          PID:3172
    • C:\Users\Admin\3sun.exe
      C:\Users\Admin\3sun.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Users\Admin\AppData\Local\05b64a10\X
        *0*bc*214d1ede*31.193.3.240:53
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:224
        • C:\Windows\explorer.exe
          "C:\Windows\explorer.exe"
          4⤵
          • Modifies registry class
          PID:1988
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del e1ac6db7c31fd23ef5b4d029a826ea97_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1804
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1628
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2096 -ip 2096
    1⤵
      PID:2256

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      128KB

      MD5

      cba16c1a489b02c4ff5720c68f35f787

      SHA1

      bd3d817f02e1492d246c067a6ddf3e0ec33d86c3

      SHA256

      0235b18287b0a3833cb877713019c2679a7699b2c848b16bfdf50244f8556e80

      SHA512

      00740a1e2bd2bba0f4f2486914fe1c885064d5dc6389561697e357a354e8cdc6707f4bd542c02179020ef69c6d9f1d3503eaf0111bb9c1eba1a64a194cb9c345

      Download Submit

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

      278KB

      MD5

      345cbbd3a56a313f804b997f8cbecb2b

      SHA1

      9978d6f5bca8ab1486573ff073661e7cfd40c365

      SHA256

      492c8cf86fcfa07fcf5716b17593a9ec265c5aa919c2fe563a34ece1580b055c

      SHA512

      5cdb8b00ab0d653a34b3d1b2871ebeb0badfe223779dce775adf00d577a2931f77c1e6d92cda719e32a8683f6f729179f128472efdf6ec0ac18cbdbcfbbc237d

      Download Submit

    • C:\Users\Admin\AppData\Local\05b64a10\X
      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

      Download Submit

    • C:\Users\Admin\JB3O2vP3.exe
      Filesize

      228KB

      MD5

      290d691efc05b13247d2f6d8952a215b

      SHA1

      a885524eae321c2d025dd8e2fe4c8dd76dfb0ca0

      SHA256

      43b951fb64328c15a0592d228e90f05be14b4f18a902c35b5c0451020e1d82be

      SHA512

      8dfdcdd93b47db1b490a80fd1c483e5f10d18d782f34562bf7313039040c69878fb1d6ad22f1b3d6e48dcc8db507c430f11b1a976b48f9cd1769400fba4c150e

      Download Submit

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

      228KB

      MD5

      98508ec9d52a5c64a1e7419459559bb2

      SHA1

      87b72e0c4405712ef185b4b6b3da237706069d0f

      SHA256

      674547eab79e7a3a9425049f87300135ee8b146a96143b3314b3f3b73203b07e

      SHA512

      60721b8fca9ee0c90ea1bea417a0dec4bb50b6667e30b75f195a5b6bc51912e61c8a6cce17150a7e72d4a06c80781ed69a11cc060ed96934a169289081b78d9b

      Download Submit

    • memory/1168-51-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1168-76-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1168-47-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1168-52-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/2076-57-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2076-56-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2076-49-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2076-54-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2360-68-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2360-55-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2360-66-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2360-87-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/2592-83-0x0000000030670000-0x00000000306C1000-memory.dmp

      Filesize

      324KB

      Download

    • memory/4188-59-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4188-63-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4188-65-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4188-90-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download