Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 12:49

General

  • Target

    efd53147eaafae75db9515191d068fde_JaffaCakes118.exe

  • Size

    717KB

  • MD5

    efd53147eaafae75db9515191d068fde

  • SHA1

    f617109fd8a60a95df6c9db80b376a76b12f8fe8

  • SHA256

    4d324cf3d0c6c7481883602518849e54fc1c8d6b11d32baa892f19b8ddee5454

  • SHA512

    fa1eca2104b28bd824cb4d1c39581f1501dfebf1ac250003ec8669fcc8c30d66009eb90c0d0619ade47ff9d4db4cae01631d083b8da14ddd6d01e6bd1d039c0b

  • SSDEEP

    12288:qv6CLo+lA00+eynqACKGcvea3ta/Phhtt08HWIUzDObJd5A8uvK88ODmvK5Sy5vH:qv6ASUTCcf3EuKbJd5A8uvK8QvKPvKfi

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 38 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
  • 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\efd53147eaafae75db9515191d068fde_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efd53147eaafae75db9515191d068fde_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\dllstub.exe
      C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\dllstub.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~72~199~~URL Parts Error~~SendRequest Error~76-E8-F1-51-6C-8A~#~~SendRequest Error~~~~
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 132
      2⤵
      • Program crash
      PID:2192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4512 -ip 4512
    1⤵
      PID:4660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\GetVersion.dll

      Filesize

      6KB

      MD5

      5264f7d6d89d1dc04955cfb391798446

      SHA1

      211d8d3e7c2b2f57f54a11cb8bc4fa536df08acc

      SHA256

      7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4

      SHA512

      80d27ee2f87e2822bd5c8c55cc3d1e49beebb86d8557c92b52b7cbea9f27882d80e59eefa25e414eecee268a9a6193b6b50b748de33c778b007cde24ef8bcfb7

    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\Math.dll

      Filesize

      66KB

      MD5

      b140459077c7c39be4bef249c2f84535

      SHA1

      c56498241c2ddafb01961596da16d08d1b11cd35

      SHA256

      0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67

      SHA512

      fbcb19a951d96a216d73b6b3e005338bbb6e11332c6cc8c3f179ccd420b4db0e5682dc4245bd120dcb67bc70960eab368e74c68c7c165a485a12a7d0d8a00328

    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\System.dll

      Filesize

      11KB

      MD5

      c17103ae9072a06da581dec998343fc1

      SHA1

      b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

      SHA256

      dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

      SHA512

      d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\UserInfo.dll

      Filesize

      4KB

      MD5

      7579ade7ae1747a31960a228ce02e666

      SHA1

      8ec8571a296737e819dcf86353a43fcf8ec63351

      SHA256

      564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

      SHA512

      a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\dllstub.exe

      Filesize

      124KB

      MD5

      6bb3dfa147e975c2466673734bf71438

      SHA1

      682d4cb723ccd058c4eec0a398a0d76d450affeb

      SHA256

      57d3c04de1aa20f0215145fc8598faadcb1eb2fcf99928919285db048dcfee8b

      SHA512

      7e7629571756446815eb5a6891ae43634041f82ab2d411dce519e1f5c86fd747d1bcf411031698f9415aec691262d09bf83dd2f32bee67a946834666886005ff

    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\intlib.dll

      Filesize

      24KB

      MD5

      1efbbf5a54eb145a1a422046fd8dfb2c

      SHA1

      ec4efd0a95bb72fd4cf47423647e33e5a3fddf26

      SHA256

      983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341

      SHA512

      7fdeba8c961f3507162eb59fb8b9b934812d449cc85c924f61722a099618d771fed91cfb3944e10479280b73648a9a5cbb23482d7b7f8bfb130f23e8fd6c15fb

    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\nsDialogs.dll

      Filesize

      9KB

      MD5

      c10e04dd4ad4277d5adc951bb331c777

      SHA1

      b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

      SHA256

      e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

      SHA512

      853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

    • C:\Users\Admin\AppData\Local\Temp\nsx73F8.tmp\registry.dll

      Filesize

      16KB

      MD5

      24a7a119e289f1b5b69f3d6cf258db7c

      SHA1

      fec84298f9819adf155fcf4e9e57dd402636c177

      SHA256

      ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1

      SHA512

      fdbbedcc877bf020a5965f6ba8586ade48cfbe03ac0af8190a8acf077fb294ffd6b5a7ae49870bff8cacd9e33d591be63b5b3d5c2e432c640212bdcd0c602861

    • memory/4512-55-0x00000000048C0000-0x00000000048DA000-memory.dmp

      Filesize

      104KB