Analysis

  • max time kernel
    96s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2025, 22:25

General

  • Target

    JaffaCakes118_637d26ebff2da169c1d1dfa791628632.exe

  • Size

    915KB

  • MD5

    637d26ebff2da169c1d1dfa791628632

  • SHA1

    d7e1bee99cd8ac042b20b4fda6340aff6909c9d7

  • SHA256

    21c1a601a71638dfca04cfa7563f28a806e37e51aa0ae4b66dabd8c8ebfea8e6

  • SHA512

    f4dab4bac2ed5c7695d20326ccc63e0e150f9e93e03d49fe0411f570e3aa3bc457dfd3f5114d83fc17d40ec68a49eb639ef803950f47ff16764f37e38f958d0c

  • SSDEEP

    24576:iFyY5sjkycf3Eo63487HbJd5A88vKhyvK+HHPf8VE3:iNs23EoxYHbSXvKhyvK+HvUVE3

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 44 IoCs
  • Reads user/profile data of web browsers 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_637d26ebff2da169c1d1dfa791628632.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_637d26ebff2da169c1d1dfa791628632.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\dlhelpdl.exe
      C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\dlhelpdl.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~4883~4908~~URL Parts Error~~SendRequest Error~C6-70-90-DD-15-99~#~~SendRequest Error~~~~
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 132
      2⤵
      • Program crash
      PID:4936
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2808 -ip 2808
    1⤵
      PID:2556

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\GetVersion.dll

            Filesize

            6KB

            MD5

            5264f7d6d89d1dc04955cfb391798446

            SHA1

            211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc

            SHA256

            7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4

            SHA512

            80d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7

          • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\Math.dll

            Filesize

            66KB

            MD5

            b140459077c7c39be4bef249c2f84535

            SHA1

            c56498241c2ddafb01961596da16d08d1b11cd35

            SHA256

            0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67

            SHA512

            fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328

          • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\UserInfo.dll

            Filesize

            4KB

            MD5

            7579ade7ae1747a31960a228ce02e666

            SHA1

            8ec8571a296737e819dcf86353a43fcf8ec63351

            SHA256

            564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

            SHA512

            a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

          • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\dlhelpdl.exe

            Filesize

            126KB

            MD5

            0712e3c1929c12ae94f88eefdf5e8b81

            SHA1

            ea2460edb455c5b4ab7e078a306ef1e14d8b57bb

            SHA256

            48b1d33c040dd911bcbc87ece37f8dd84c1e62a338bb1d744f603c831358c164

            SHA512

            4ed7ef637ccffc1705c9a5ec29c969eabb496d218a2349acb20a7cdb8757098dd713526de029315f3b88abdf4bd857623b2479c15286b2e0696bfb8a6c7812f5

          • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\intlib.dll

            Filesize

            24KB

            MD5

            1efbbf5a54eb145a1a422046fd8dfb2c

            SHA1

            ec4efd0a95bb72fd4cf47423647e33e5a3fddf26

            SHA256

            983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341

            SHA512

            7fdeba8c961f3507162eb59fb8b9b934812d449cc85c924f61722a099618d771fed91cfb3944e10479280b73648a9a5cbb23482d7b7f8bfb130f23e8fd6c15fb

          • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\nsDialogs.dll

            Filesize

            9KB

            MD5

            c10e04dd4ad4277d5adc951bb331c777

            SHA1

            b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

            SHA256

            e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

            SHA512

            853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

          • C:\Users\Admin\AppData\Local\Temp\nsk6051.tmp\registry.dll

            Filesize

            16KB

            MD5

            24a7a119e289f1b5b69f3d6cf258db7c

            SHA1

            fec84298f9819adf155fcf4e9e57dd402636c177

            SHA256

            ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1

            SHA512

            fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861

          • memory/2808-65-0x0000000002AD0000-0x0000000002AEA000-memory.dmp

            Filesize

            104KB