Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 05:00

General

  • Target

    ddb96ccf588109bc1b46976e539b206b_JaffaCakes118.dll

  • Size

    1.2MB

  • MD5

    ddb96ccf588109bc1b46976e539b206b

  • SHA1

    2399f8c794e20b2f3dae8b299c2f067a9a873d33

  • SHA256

    2b8d8798606bd8e1a6ed79a4ca0ce4fea163786b8b0232e0c4d52edb3edccc1d

  • SHA512

    2f578acedb8be4dd594108e2d82c51098b3c467d76eee78dfdea36a22313bd7c02caf072513b4e7383a5724c999542936e40d9d0f2a7f685362d027adfde9db2

  • SSDEEP

    24576:9uYfg4LhHr4NFXKJO1aUiDBvZ2+ITHmpclO9N:X9cKrUqZWLAcU

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddb96ccf588109bc1b46976e539b206b_JaffaCakes118.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1072
  • C:\Windows\system32\bdechangepin.exe
    C:\Windows\system32\bdechangepin.exe
    1⤵
      PID:4280
    • C:\Users\Admin\AppData\Local\h11Lf\bdechangepin.exe
      C:\Users\Admin\AppData\Local\h11Lf\bdechangepin.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:3456
    • C:\Windows\system32\wbengine.exe
      C:\Windows\system32\wbengine.exe
      1⤵
        PID:1668
      • C:\Users\Admin\AppData\Local\FzoBtpdvX\wbengine.exe
        C:\Users\Admin\AppData\Local\FzoBtpdvX\wbengine.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1732
      • C:\Windows\system32\WFS.exe
        C:\Windows\system32\WFS.exe
        1⤵
          PID:1940
        • C:\Users\Admin\AppData\Local\7c4Fl\WFS.exe
          C:\Users\Admin\AppData\Local\7c4Fl\WFS.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3840

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\7c4Fl\WFS.exe

          Filesize

          944KB

          MD5

          3cbc8d0f65e3db6c76c119ed7c2ffd85

          SHA1

          e74f794d86196e3bbb852522479946cceeed7e01

          SHA256

          e23e4182efe7ed61aaf369696e1ce304c3818df33d1663872b6d3c75499d81f4

          SHA512

          26ae5845a804b9eb752078f1ffa80a476648a8a9508b4f7ba56c94acd4198f3ba59c77add4feb7e0420070222af56521ca5f6334f466d5db272c816930513f0a

        • C:\Users\Admin\AppData\Local\7c4Fl\WINMM.dll

          Filesize

          1.2MB

          MD5

          da0c17b7f20e2f7f71157420f08de5bf

          SHA1

          9224fd941022a63057498b16ae84c51b7064317b

          SHA256

          a4411c879e02517749865bcc185ae0f88a747991e66ef8c764f6605408017135

          SHA512

          0e44c1a7dae9146d8251507d6f577531c4f6ff72fbe26028de6a3f4e4902700c685e2434fb24c79e6d261105e0f80c68c82a0fd3ca47a36cc8526d0c90fa09b0

        • C:\Users\Admin\AppData\Local\FzoBtpdvX\wbengine.exe

          Filesize

          1.5MB

          MD5

          17270a354a66590953c4aac1cf54e507

          SHA1

          715babcc8e46b02ac498f4f06df7937904d9798d

          SHA256

          9954394b43783061f9290706320cc65597c29176d5b8e7a26fa1d6b3536832b4

          SHA512

          6be0ba6be84d01ab47f5a4ca98a6b940c43bd2d1e1a273d41c3e88aca47da11d932024b007716d1a6ffe6cee396b0e3e6971ab2afc293e72472f2e61c17b2a89

        • C:\Users\Admin\AppData\Local\FzoBtpdvX\wer.dll

          Filesize

          1.2MB

          MD5

          ebf49abdbda9ba4f886fcbf5ea456a5a

          SHA1

          f4cc18404147aad84e0afe218cd6442c1d983e2f

          SHA256

          a767c85b13ee51db4b8ab4b957c93acb84e8703ba7e791869fbea46132a600a0

          SHA512

          e51285388927b93bac32d41e197f82970bfc1de0c356020be5d4d87f5a78c0265055fbd5ca5065f7e8f49baf989aaf81eefb05387ce0bbb6c284d5e3c709bd3d

        • C:\Users\Admin\AppData\Local\h11Lf\DUI70.dll

          Filesize

          1.4MB

          MD5

          b1ef35382561f56c18c19222fe1e9e88

          SHA1

          45c31b384a20cb88ecead141ffae8d6f01ca6e53

          SHA256

          16c5bbb5e56de16ece0fe31d3570952b731d005329d4a4bfb2e7b249f09e6dec

          SHA512

          c836b9f67675407f4d862952f53dddaeac5bbb3997b4559363442d2a1998a0cdd4f1239dcf63495d0acdf06a1844af58fe2858dd16946fe2c74849350a81d69b

        • C:\Users\Admin\AppData\Local\h11Lf\bdechangepin.exe

          Filesize

          373KB

          MD5

          601a28eb2d845d729ddd7330cbae6fd6

          SHA1

          5cf9f6f9135c903d42a7756c638333db8621e642

          SHA256

          4d43f37576a0ebbaf97024cd5597d968ffe59c871b483554aea302dccb7253f6

          SHA512

          1687044612ceb705f79c806b176f885fd01449251b0097c2df70280b7d10a2b830ee30ac0f645a7e8d8067892f6562d933624de694295e22318863260222859d

        • C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ahvhgxnkgdxqlh.lnk

          Filesize

          1KB

          MD5

          612763eb8864062223807827d510216f

          SHA1

          10d2894ad4e4900e870aafe1a44acfc4620938df

          SHA256

          ab7c4d3d4884be82c59850f3c17d8bc949213cb99c07eb181f278456f4819cd9

          SHA512

          75280be5ed048505ac292e6f046493ce0c9d473a82fc2ef66833d992f13028bd13289d34a285155d918cec4105fcfe9b2a8b301a722ae5228a11929ba312263b

        • memory/1072-3-0x0000021BD0470000-0x0000021BD0477000-memory.dmp

          Filesize

          28KB

        • memory/1072-38-0x00007FF8EF180000-0x00007FF8EF2B1000-memory.dmp

          Filesize

          1.2MB

        • memory/1072-0-0x00007FF8EF180000-0x00007FF8EF2B1000-memory.dmp

          Filesize

          1.2MB

        • memory/1732-68-0x00007FF8DF900000-0x00007FF8DFA33000-memory.dmp

          Filesize

          1.2MB

        • memory/1732-63-0x00007FF8DF900000-0x00007FF8DFA33000-memory.dmp

          Filesize

          1.2MB

        • memory/1732-62-0x000002481A390000-0x000002481A397000-memory.dmp

          Filesize

          28KB

        • memory/3372-29-0x00007FF8FDF10000-0x00007FF8FDF20000-memory.dmp

          Filesize

          64KB

        • memory/3372-15-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-8-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-10-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-7-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-11-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-12-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-13-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-5-0x00007FF8FCEDA000-0x00007FF8FCEDB000-memory.dmp

          Filesize

          4KB

        • memory/3372-4-0x0000000007780000-0x0000000007781000-memory.dmp

          Filesize

          4KB

        • memory/3372-9-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-24-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-28-0x0000000002E80000-0x0000000002E87000-memory.dmp

          Filesize

          28KB

        • memory/3372-35-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-17-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3372-14-0x0000000140000000-0x0000000140131000-memory.dmp

          Filesize

          1.2MB

        • memory/3456-51-0x00007FF8DF910000-0x00007FF8DFA87000-memory.dmp

          Filesize

          1.5MB

        • memory/3456-48-0x0000022793650000-0x0000022793657000-memory.dmp

          Filesize

          28KB

        • memory/3456-45-0x00007FF8DF910000-0x00007FF8DFA87000-memory.dmp

          Filesize

          1.5MB

        • memory/3840-79-0x00007FF8DF7D0000-0x00007FF8DF903000-memory.dmp

          Filesize

          1.2MB

        • memory/3840-83-0x00007FF7B5160000-0x00007FF7B5252000-memory.dmp

          Filesize

          968KB

        • memory/3840-85-0x00007FF8DF7D0000-0x00007FF8DF903000-memory.dmp

          Filesize

          1.2MB