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Analysis

  • max time kernel
    132s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2024, 21:02

General

  • Target

    1c7c81891189012b90b804015e100ff6_JaffaCakes118.exe

  • Size

    1006KB

  • MD5

    1c7c81891189012b90b804015e100ff6

  • SHA1

    3f38d462ec7389630b3aadc2cc54440c4f752c5e

  • SHA256

    896a7d857c5444298b43bc3ded3e9a1829a1e0c0096f95a61e11e4eb611f7e4c

  • SHA512

    4e8f5ac0cbf60796b7e68d3602297f92bfa42517c5767673e51d3eb441f0d578985a87893ac56d8737ea0bd78fbbe88da70ae027876395cb2ee9230f87ab2d32

  • SSDEEP

    24576:Gm3GfpsjkZczo6EM87odbJd5A8uvKXtvKouHPf4xVvCu:Gm3ksloqY4bSDvKXtvKDvgxVvl

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 50 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • NSIS installer 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c7c81891189012b90b804015e100ff6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1c7c81891189012b90b804015e100ff6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\dlhelpdl.exe
      C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\dlhelpdl.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~6225~5185~~URL Parts Error~~SendRequest Error~4E-0B-59-64-A9-68~#~~SendRequest Error~~~~
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 1364
      2⤵
      • Program crash
      PID:1396
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 640 -ip 640
    1⤵
      PID:3732
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4156,i,3144109701624127473,12586215149656995128,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:8
      1⤵
        PID:4712

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\GetVersion.dll

        Filesize

        6KB

        MD5

        5264f7d6d89d1dc04955cfb391798446

        SHA1

        211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc

        SHA256

        7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4

        SHA512

        80d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7

      • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\Math.dll

        Filesize

        66KB

        MD5

        b140459077c7c39be4bef249c2f84535

        SHA1

        c56498241c2ddafb01961596da16d08d1b11cd35

        SHA256

        0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67

        SHA512

        fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328

      • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\System.dll

        Filesize

        11KB

        MD5

        c17103ae9072a06da581dec998343fc1

        SHA1

        b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

        SHA256

        dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

        SHA512

        d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

      • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\UserInfo.dll

        Filesize

        4KB

        MD5

        7579ade7ae1747a31960a228ce02e666

        SHA1

        8ec8571a296737e819dcf86353a43fcf8ec63351

        SHA256

        564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

        SHA512

        a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

      • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\dlhelpdl.exe

        Filesize

        129KB

        MD5

        69226e7fbe7a333efb9b74ff2ea8a185

        SHA1

        a26bc2f24c8d9f329b801950713a52f517a025e7

        SHA256

        e3cd723bad422fef8ecd1f7a1ccaf7b3ff5fe7751713baae899163925354dc54

        SHA512

        71acf1888048e2959a4e35fff9d815cdfe62af66a4ae7b98983ad51903cfa02071f3d700ab74900da03ca652931477e920a20259963beb732765ce34fa396f66

      • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\intlib.dll

        Filesize

        24KB

        MD5

        1efbbf5a54eb145a1a422046fd8dfb2c

        SHA1

        ec4efd0a95bb72fd4cf47423647e33e5a3fddf26

        SHA256

        983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341

        SHA512

        7fdeba8c961f3507162eb59fb8b9b934812d449cc85c924f61722a099618d771fed91cfb3944e10479280b73648a9a5cbb23482d7b7f8bfb130f23e8fd6c15fb

      • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\nsDialogs.dll

        Filesize

        9KB

        MD5

        c10e04dd4ad4277d5adc951bb331c777

        SHA1

        b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

        SHA256

        e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

        SHA512

        853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

      • C:\Users\Admin\AppData\Local\Temp\nsyDB5D.tmp\registry.dll

        Filesize

        16KB

        MD5

        24a7a119e289f1b5b69f3d6cf258db7c

        SHA1

        fec84298f9819adf155fcf4e9e57dd402636c177

        SHA256

        ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1

        SHA512

        fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861

      • memory/640-72-0x0000000002AD0000-0x0000000002AEA000-memory.dmp

        Filesize

        104KB