Overview

overview

10

Static

static

3

bc09872918...18.exe

windows7-x64

10

bc09872918...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 14:05

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General

  • Target

    bc098729187011d44a364d8b04e893fe_JaffaCakes118.exe

  • Size

    544KB

  • MD5

    bc098729187011d44a364d8b04e893fe

  • SHA1

    4fff8c136299745b0803ef3454f1815b24f420af

  • SHA256

    51eeda2e449c3c034d57cf51ec8861be747ee5de60a5fc42c8776e1214c89b0e

  • SHA512

    db91b0c3e6bb5def8bbab0c1f68861953f6ac822dd2f78c558ddadecf4b822c7001f16991344959339a06e020912121fcec8ba4f042c029271671958fa26f3f5

  • SSDEEP

    12288:EQIWT/UzJW8ivxh7vHzgryd4GT1QOoJqbbEUqe9mJd/uB28Rr8O9F8/CwM:EQI+cJHiJRTHnxhUqEhe9suB2C8O9O

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 53 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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3348
    • C:\Users\Admin\AppData\Local\Temp\bc098729187011d44a364d8b04e893fe_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\bc098729187011d44a364d8b04e893fe_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:468
      • C:\Users\Admin\gau5f8p1.exe
        C:\Users\Admin\gau5f8p1.exe
        3⤵
        • 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:5040
        • C:\Users\Admin\juipoog.exe
          "C:\Users\Admin\juipoog.exe"
          4⤵
          • 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:2436
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del gau5f8p1.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1620
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:4668
      • C:\Users\Admin\2des.exe
        C:\Users\Admin\2des.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5008
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:3204
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2644
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:4972
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:3480
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          PID:3340
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 80
            5⤵
            • Program crash
            PID:1816
      • C:\Users\Admin\3des.exe
        C:\Users\Admin\3des.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3292
        • C:\Users\Admin\AppData\Local\3401ab0d\X
          *0*bc*66135398*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2944
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del bc098729187011d44a364d8b04e893fe_JaffaCakes118.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1652
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3340 -ip 3340
    1⤵
      PID:3432

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

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

            132KB

            MD5

            da081a5c83e9130e96acb301295bb14b

            SHA1

            4e46aa4b39ea48c86838432e2724d7d3c508ab01

            SHA256

            7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

            SHA512

            46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

            Download Submit

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

            286KB

            MD5

            cb278b7760c080ea4f57aea471f0f674

            SHA1

            2c052b2db7a196d127c2b84b62563d0c98ec0413

            SHA256

            74cb6a456be0e9bad997e8c97475c47ab27c40d3627484f7b38a86bd01c78930

            SHA512

            dbdf6a95b53a53f3a3dd929e0b1d63d512c00e9d28bf2f05c3e63707f0208f4f311adc637bb97a9d05bdb6bad9d6c7021aeec8c99ffe7033212e7763d4046bd3

            Download Submit

          • C:\Users\Admin\AppData\Local\3401ab0d\X
            Filesize

            38KB

            MD5

            72de2dadaf875e2fd7614e100419033c

            SHA1

            5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

            SHA256

            c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

            SHA512

            e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

            Download Submit

          • C:\Users\Admin\gau5f8p1.exe
            Filesize

            252KB

            MD5

            3e152747de87d4674484a003398db051

            SHA1

            82557817b08eb981afa68701092d9f6e0d71ef79

            SHA256

            1d5897272a1b899ce244d0863e9cf743adf4a9f5838bed75b7fc6a6e31a9da3e

            SHA512

            dd726c743cac5696bf225d4b8d5cfa7b28f218eb6e7f2325e4f75d3cc4539e417210d477bafbcd82e7eb9e7b4e8ce20ae6ad30e2e7d36d949223bed0c78dcfa7

            Download Submit

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

            252KB

            MD5

            6f4f7af725874d80081d540e03432f8a

            SHA1

            407c7109dd454b171611a66da2f5b5daca888609

            SHA256

            bb758857e387e4688017749fcfb65e669ae412652e768c19e855ea418a7f409c

            SHA512

            bdccbda8b48823d9aeef8ba3cdf651b2e9f310042cfd9d48e4022d9fc3d3b95c6a00e2c9cd4af78228cdbdbbce802ec5217ae7b1bbc9666c824baa401540bbce

            Download Submit

          • memory/2644-56-0x0000000000400000-0x000000000040E000-memory.dmp

            Filesize

            56KB

            Download

          • memory/2644-53-0x0000000000400000-0x000000000040E000-memory.dmp

            Filesize

            56KB

            Download

          • memory/2644-57-0x0000000000400000-0x000000000040E000-memory.dmp

            Filesize

            56KB

            Download

          • memory/2644-61-0x0000000000400000-0x000000000040E000-memory.dmp

            Filesize

            56KB

            Download

          • memory/3204-47-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3204-50-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3204-52-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3204-85-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3292-87-0x0000000030670000-0x00000000306C2000-memory.dmp

            Filesize

            328KB

            Download

          • memory/3480-70-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3480-69-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3480-64-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/3480-92-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/4972-71-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

            Download

          • memory/4972-68-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

            Download

          • memory/4972-62-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

            Download

          • memory/4972-91-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

            Download