Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2023 16:45

General

  • Target

    Ziraat Bankasi Swift Mesaji.pdf.exe

  • Size

    928KB

  • MD5

    ff8c44307760d3f89e78a8a95980d6ea

  • SHA1

    dd2421cc6fd60a4caadf8ec88f6635276550543b

  • SHA256

    c19611873222bfc236a1eeab96287424c06a987a877c164d21c7354fe72108c3

  • SHA512

    ebcadc9b92942dcc8f28e8f689290218f752cf80ce8620ae7ada371f5f3963cf5e6d5f2f021c42a8946ba4235096399ba297ec21070d96ece7e3ffe6ed3a7259

  • SSDEEP

    24576:npp43ue2YKmNBRx6ajNlHgKUKV3hIgnYj:ppNYKWPweNl15CgnA

Malware Config

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.pdf.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.pdf.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Modifies system certificate store
      PID:2236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    9fc658f33713111b8d0dca70feab9475

    SHA1

    04a1a5a2db8760dc0d9b3c42b11f7e8fc80bf17a

    SHA256

    0b713dbf62b0d515ccdf0c20033c1b31095bfe260f27b4affe7254b71b3fad17

    SHA512

    6ef80d387ae29f95d3556a4774b0bf0d88fea4ef1683e691e8577d60121b2167d591cbfabd300a0f7724cff1341abc795ad5265a372d51a49b5f604188f6b25c

  • C:\Users\Admin\AppData\Local\Temp\Cab5C74.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar5D27.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Windows\Resources\netkortet.ini

    Filesize

    44B

    MD5

    ad691854b5e0587ed7af25c249a68fd5

    SHA1

    60a4465cfe7b6b663b9993fe958f8306de76d556

    SHA256

    b20bf1c3b7b6a17271b6a463eaac81ac8d2debc47950479047cf14ac51ca04c8

    SHA512

    2018e53a9c97641be6313912d3277f7aedc7788c74c0bd4574504892dc8ddeff9a206d59aa302c971a9a9e227a28055e790a94f747f3d5ab7762d2f64fb3d9b3

  • \Users\Admin\AppData\Local\Temp\nsy74D3.tmp\System.dll

    Filesize

    12KB

    MD5

    0d7ad4f45dc6f5aa87f606d0331c6901

    SHA1

    48df0911f0484cbe2a8cdd5362140b63c41ee457

    SHA256

    3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    SHA512

    c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

  • memory/2236-39-0x0000000076FD0000-0x0000000077179000-memory.dmp

    Filesize

    1.7MB

  • memory/2236-38-0x00000000004F0000-0x00000000010EB000-memory.dmp

    Filesize

    12.0MB

  • memory/2236-40-0x0000000072550000-0x00000000735B2000-memory.dmp

    Filesize

    16.4MB

  • memory/2236-41-0x00000000004F0000-0x00000000010EB000-memory.dmp

    Filesize

    12.0MB

  • memory/2236-125-0x0000000072550000-0x00000000735B2000-memory.dmp

    Filesize

    16.4MB

  • memory/2236-126-0x00000000004F0000-0x00000000010EB000-memory.dmp

    Filesize

    12.0MB

  • memory/2236-127-0x00000000004F0000-0x00000000010EB000-memory.dmp

    Filesize

    12.0MB

  • memory/2236-128-0x0000000072550000-0x00000000735B2000-memory.dmp

    Filesize

    16.4MB

  • memory/2612-37-0x00000000744F0000-0x00000000744F7000-memory.dmp

    Filesize

    28KB

  • memory/2612-36-0x00000000771C0000-0x0000000077296000-memory.dmp

    Filesize

    856KB

  • memory/2612-35-0x0000000003220000-0x0000000003E1B000-memory.dmp

    Filesize

    12.0MB

  • memory/2612-34-0x0000000076FD0000-0x0000000077179000-memory.dmp

    Filesize

    1.7MB

  • memory/2612-33-0x0000000003220000-0x0000000003E1B000-memory.dmp

    Filesize

    12.0MB