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Analysis

  • max time kernel
    122s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 17:16

General

  • Target

    4733a823253e50d03fac643b86bfc988_JaffaCakes118.exe

  • Size

    2.0MB

  • MD5

    4733a823253e50d03fac643b86bfc988

  • SHA1

    f665d1e999f428ff6c737eed26e83790dbee024d

  • SHA256

    9d1c7694e5d77b85d7b408ce5c7b2b4c83fe75458ec3d3cd320ea5eed7de2cba

  • SHA512

    17c8e90f316004f38dc92e5102ee78903f7d7bf62c40231b868e8182740b9f659cc95bb9d5e19b2830671e43855f3a90d0b380cef2236213227f99fe538b1984

  • SSDEEP

    49152:hnJMKPdHuS8MaScLZuQVAUT1G2KygVRb1VAaoSjBqH3L:hn1PduU3cAp4nG1qxv

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4733a823253e50d03fac643b86bfc988_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4733a823253e50d03fac643b86bfc988_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C ping 127.0.0.1 -n 3 > nul &del "C:\Users\Admin\AppData\Local\Temp\4733a823253e50d03fac643b86bfc988_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • Runs ping.exe
        PID:1156

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    344B

    MD5

    e3fc56e093d4bb8321af5d262aabd9e2

    SHA1

    16d12cfb5f8d2ed1c6922ea31b334455c5b7148d

    SHA256

    ff880818049399718ca5a3b17f5987a46e3b20bb3f1b022c1eeee988079de9d3

    SHA512

    a4cd7fdaddb53550d51100666fa64c23f64e1e4c5ef77d79623a2264f6d136fd7e639cf396e6c78a54e10ca8e9674b69288021e330b72c3a0a4347b4585524b7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    2c0eaf728ce5b8f92db45fa87192f3ba

    SHA1

    99fa7e5629024284d31c71c9e80cee4ffdf05711

    SHA256

    2290a7483fd7fffb619788817a76214beae6f4a590bba0de941e6a16b22e0b3e

    SHA512

    e576bda3d3e7a7722c6d20d504e7dc943f65e6cf43e7a161d077a8fc83adcd4d8f2ccf681f3ecae84048458a979e144e2ccdb8d3a49176dce6aca5f069c2499c

  • C:\Users\Admin\AppData\Local\Temp\Tar7B7C.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Local\Temp\tmp89DB.tmp

    Filesize

    3KB

    MD5

    1648d984f5c7b701925df334188a7c67

    SHA1

    390150be1637edff83123d10efe747fa2a5e4968

    SHA256

    af73e1f2cced0800ad436b1d3a63c3b159ecd9e298c5e32bf5a884fb476c134d

    SHA512

    2f71d378127e0158168573e24aa49d8aedac54adf3af48607d09225f291c8075151f1d6d87344dff483445ebe4db2a6f73086b2b7e7614887ccece429779694e

  • C:\Users\Admin\AppData\Local\Temp\tmp89DC.tmp

    Filesize

    46KB

    MD5

    02d2c46697e3714e49f46b680b9a6b83

    SHA1

    84f98b56d49f01e9b6b76a4e21accf64fd319140

    SHA256

    522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

    SHA512

    60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

  • C:\Users\Admin\AppData\Local\Temp\tmp89F1.tmp

    Filesize

    92KB

    MD5

    69b4e9248982ac94fa6ee1ea6528305f

    SHA1

    6fb0e765699dd0597b7a7c35af4b85eead942e5b

    SHA256

    53c5e056da67d60a3b2872f8d4bda857f687be398ed05ed17c102f4c4b942883

    SHA512

    5cb260ab12c8cf0f134c34ae9533ac06227a0c3bdb9ad30d925d3d7b96e6fae0825c63e7db3c78852dc2a053767bbcfdd16898531509ffadade2dd7149f6241d

  • memory/2352-0-0x0000000001180000-0x0000000001678000-memory.dmp

    Filesize

    5.0MB

  • memory/2352-2-0x0000000001180000-0x0000000001678000-memory.dmp

    Filesize

    5.0MB

  • memory/2352-3-0x0000000001180000-0x0000000001678000-memory.dmp

    Filesize

    5.0MB

  • memory/2352-210-0x0000000001180000-0x0000000001678000-memory.dmp

    Filesize

    5.0MB