Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-04-2024 12:33

General

  • Target

    f110415e99bf9b3e5ea5fd55627636a5_JaffaCakes118.dll

  • Size

    2.6MB

  • MD5

    f110415e99bf9b3e5ea5fd55627636a5

  • SHA1

    168999d2cbe268fd55c831e38e056a53fd0b07fd

  • SHA256

    b35d422e788bddf8d9913a8ed346648a30819936ce48b91e79cc1499b7e4cda4

  • SHA512

    630f0b19cf1624931d89c3ee579df51d3c8179762b476b1bfbeec5caee0b978be5ee155c0f72758e5ce6b7a72b87e0d436518d44db6db9358720990a08ad2515

  • SSDEEP

    12288:eVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:DfP7fWsK5z9A+WGAW+V5SB6Ct4bnb

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
  • Suspicious behavior: EnumeratesProcesses 64 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\f110415e99bf9b3e5ea5fd55627636a5_JaffaCakes118.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:4692
  • C:\Windows\system32\rdpshell.exe
    C:\Windows\system32\rdpshell.exe
    1⤵
      PID:64
    • C:\Users\Admin\AppData\Local\HYfhayh22\rdpshell.exe
      C:\Users\Admin\AppData\Local\HYfhayh22\rdpshell.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4024
    • C:\Windows\system32\Dxpserver.exe
      C:\Windows\system32\Dxpserver.exe
      1⤵
        PID:4076
      • C:\Users\Admin\AppData\Local\BplW1GPp\Dxpserver.exe
        C:\Users\Admin\AppData\Local\BplW1GPp\Dxpserver.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2640
      • C:\Windows\system32\quickassist.exe
        C:\Windows\system32\quickassist.exe
        1⤵
          PID:4932
        • C:\Users\Admin\AppData\Local\urkudW6Bv\quickassist.exe
          C:\Users\Admin\AppData\Local\urkudW6Bv\quickassist.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3516

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\BplW1GPp\Dxpserver.exe

          Filesize

          310KB

          MD5

          6344f1a7d50da5732c960e243c672165

          SHA1

          b6d0236f79d4f988640a8445a5647aff5b5410f7

          SHA256

          b1081651ac33610824e2088ff64d1655993dd3d6073af1e5ffe0b4a0027f502f

          SHA512

          73f6fa01b880e6619fafa065c171bd0a2b7b2d908762b5aca15f2b8d856b5501b3884e3566ef9b8032c8cbf9bb15116e60c22fded4656c8857c974cda4213d65

        • C:\Users\Admin\AppData\Local\BplW1GPp\XmlLite.dll

          Filesize

          2.7MB

          MD5

          76f7569fe82c61193d2356dc76cf098b

          SHA1

          6e91663c83c018353de6ca6a1abed609276aec9e

          SHA256

          159b8c9f558bdbfc86372f83d92e496203afdadad206a414ff07f50629b9de39

          SHA512

          f3644ddffe682b49496b66c38264dc24c5e797aada2adaf0b1a04ea32d3187c19a33938ad76a20b27bd4833b3d6bf1e8c7bdb299ef7567025598fc782b1248be

        • C:\Users\Admin\AppData\Local\HYfhayh22\WTSAPI32.dll

          Filesize

          2.7MB

          MD5

          136ec821e7dd891b7ee117efe97f5db9

          SHA1

          e104058762ddcef34682fe99032b8e324e171905

          SHA256

          c7deeef62daedff4cf2cb5b3f3cbb912dbddf4822ee6ac55ec9a43ddfa416671

          SHA512

          0eedb62d7597a3ad9998eee2cbd5e39a7acae660aa60dca15ccc21556c813bec150586b900fad96c64ee81c14ca9c4e9691f26df334fc5b3f20d44a133e8c106

        • C:\Users\Admin\AppData\Local\HYfhayh22\rdpshell.exe

          Filesize

          468KB

          MD5

          428066713f225bb8431340fa670671d4

          SHA1

          47f6878ff33317c3fc09c494df729a463bda174c

          SHA256

          da6c395a2018d3439ad580a19e6a1ca5ff29ef9074411ee9f9f1b0a6365dfebd

          SHA512

          292aad2762ae4dc519c69411aa114a29894f60ffac103813db4946f2fac4f5a166f66523c421529d6847c0882d8ab467392ee8da1e3a4fca0d6d4e6ebda5b737

        • C:\Users\Admin\AppData\Local\urkudW6Bv\UxTheme.dll

          Filesize

          2.7MB

          MD5

          d532f477b945df5a9b6b847a0d1c25e8

          SHA1

          a8ff806d53babb2ad75010d071b673f724e39899

          SHA256

          0e4c934315e3c285e8c0de16037a1d68945dddeb8db4bb617c1fa50f4ea849ef

          SHA512

          6e118293de6d7d7795579bf99780cfa1a037a6320b46b3443ce45c33ee6ee7383dfa2d611a87312494c90b1f22544d1c9de7000699de48bf45d5cc15c6171dc1

        • C:\Users\Admin\AppData\Local\urkudW6Bv\quickassist.exe

          Filesize

          665KB

          MD5

          d1216f9b9a64fd943539cc2b0ddfa439

          SHA1

          6fad9aeb7780bdfd88a9a5a73b35b3e843605e6c

          SHA256

          c1e8fda00da574e8759ba262d76b6edc1d5f4a80620730ef0be7527e0d803db2

          SHA512

          c5fd7d81d1d478056fcbed0ba887ce551832f0104e7c31753c3c8760b4d63f38324f74e996684042acc8f9682fce8a8c85172741a868257e87d5e0f988c4e567

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

          Filesize

          1KB

          MD5

          34ba2c7fdf303fe9ca6883b6b42e0aad

          SHA1

          3a038334946f35db99b8c04bb80aef5a9e4dd193

          SHA256

          04f20ab2b0cb001ff3dd31e2db2b3e7872ed8fbb69aecd24533587e489798367

          SHA512

          27f30c63ddddfbbd2cc81a2dc56d986edd91f45d1f25e444edda947d76d1c1c92651a05ca5841544b27bdf4e2a8fb8e5fc332566db4b1c2d2c821bb5f1305777

        • memory/2640-121-0x0000000140000000-0x00000001402A7000-memory.dmp

          Filesize

          2.7MB

        • memory/2640-117-0x00000249E6B30000-0x00000249E6B37000-memory.dmp

          Filesize

          28KB

        • memory/2640-115-0x0000000140000000-0x00000001402A7000-memory.dmp

          Filesize

          2.7MB

        • memory/3484-46-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-52-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-19-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-20-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-21-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-24-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-22-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-26-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-23-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-25-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-27-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-28-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-29-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-30-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-31-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-33-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-34-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-32-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-36-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-35-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-37-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-38-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-41-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-40-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-39-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-42-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-44-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-43-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-5-0x0000000002540000-0x0000000002541000-memory.dmp

          Filesize

          4KB

        • memory/3484-45-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-47-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-49-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-48-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-50-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-51-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-18-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-53-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-54-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-55-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-56-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-58-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-59-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-60-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-64-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-63-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-62-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-61-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-57-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-66-0x0000000002530000-0x0000000002537000-memory.dmp

          Filesize

          28KB

        • memory/3484-65-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-74-0x00007FFA2DAC0000-0x00007FFA2DAD0000-memory.dmp

          Filesize

          64KB

        • memory/3484-17-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-9-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-10-0x00007FFA2D5FA000-0x00007FFA2D5FB000-memory.dmp

          Filesize

          4KB

        • memory/3484-11-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-16-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-14-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-15-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-13-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-7-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3484-12-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/3516-134-0x0000017D130F0000-0x0000017D130F7000-memory.dmp

          Filesize

          28KB

        • memory/3516-139-0x0000000140000000-0x00000001402A7000-memory.dmp

          Filesize

          2.7MB

        • memory/4024-102-0x0000000140000000-0x00000001402A7000-memory.dmp

          Filesize

          2.7MB

        • memory/4024-97-0x000001A088EF0000-0x000001A088EF7000-memory.dmp

          Filesize

          28KB

        • memory/4024-95-0x0000000140000000-0x00000001402A7000-memory.dmp

          Filesize

          2.7MB

        • memory/4692-1-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB

        • memory/4692-4-0x000001C604400000-0x000001C604407000-memory.dmp

          Filesize

          28KB

        • memory/4692-8-0x0000000140000000-0x00000001402A6000-memory.dmp

          Filesize

          2.6MB