Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/07/2024, 06:41

General

  • Target
    3b2c7075ab9446ded1ef47ed89a81c35_JaffaCakes118.dll
  • Size 1.2MB
  • Sample240729-hf5bls1eph
  • SHA256 2629cf699f2cf1b89996221446aae59b3f5e57b4d08cb28486beaadaf24c070a
  • MD5 SHA1 SHA512 SSDEEP

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 AdjustPrivilegeToken 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\3b2c7075ab9446ded1ef47ed89a81c35_JaffaCakes118.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:4616
  • C:\Windows\system32\raserver.exe
    C:\Windows\system32\raserver.exe
    1⤵
      PID:8
    • C:\Users\Admin\AppData\Local\2Rgluoh\raserver.exe
      C:\Users\Admin\AppData\Local\2Rgluoh\raserver.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:516
    • C:\Windows\system32\BdeUISrv.exe
      C:\Windows\system32\BdeUISrv.exe
      1⤵
        PID:2560
      • C:\Users\Admin\AppData\Local\GI1PYU1\BdeUISrv.exe
        C:\Users\Admin\AppData\Local\GI1PYU1\BdeUISrv.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2924
      • C:\Windows\system32\psr.exe
        C:\Windows\system32\psr.exe
        1⤵
          PID:1548
        • C:\Users\Admin\AppData\Local\HcbI\psr.exe
          C:\Users\Admin\AppData\Local\HcbI\psr.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:4464

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              WTSAPI32.dll

              • Path C:\Users\Admin\AppData\Local\2Rgluoh\WTSAPI32.dll
              • Size 1.2MB
              • SHA256 763fceb3945ff959e7a4c234145568f5c6e27a53c9e5f1f8bd8d7e13a77b3ad8
              • MD5 SHA1 SHA512 SSDEEP

              raserver.exe

              • Path C:\Users\Admin\AppData\Local\2Rgluoh\raserver.exe
              • Size 132KB
              • SHA256 38732626242988cc5b8f97fe8d3b030d483046ef66ea90d7ea3607f1adc0600d
              • MD5 SHA1 SHA512 SSDEEP

              BdeUISrv.exe

              • Path C:\Users\Admin\AppData\Local\GI1PYU1\BdeUISrv.exe
              • Size 54KB
              • SHA256 20b05c77f898be08737082e969b39f54fa39753c8c0a06142eb7ad5e0764a2db
              • MD5 SHA1 SHA512 SSDEEP

              WTSAPI32.dll

              • Path C:\Users\Admin\AppData\Local\GI1PYU1\WTSAPI32.dll
              • Size 1.2MB
              • SHA256 400e120fe90ad725ec0cc531ac001ff1b59f6e1f0159f10c51adddde72da7e8c
              • MD5 SHA1 SHA512 SSDEEP

              VERSION.dll

              • Path C:\Users\Admin\AppData\Local\HcbI\VERSION.dll
              • Size 1.2MB
              • SHA256 c42d20be91d87fce041259ae7ae6197ca55de030c15bf1ba94972b8a14249933
              • MD5 SHA1 SHA512 SSDEEP

              psr.exe

              • Path C:\Users\Admin\AppData\Local\HcbI\psr.exe
              • Size 232KB
              • SHA256 4f0144f0e3e721b44babbf41b513942e4117f730546105480571f9c8fce56a1f
              • MD5 SHA1 SHA512 SSDEEP

              Reuom.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Reuom.lnk
              • Size 1KB
              • SHA256 8de310d23aa75efe2f1aafc12f6ce8a7d91a2dbc29f6e64e72c89e6dcb0657a1
              • MD5 SHA1 SHA512

              memory/516-52-0x00007FF882730000-0x00007FF882862000-memory.dmp

              memory/516-46-0x00007FF882730000-0x00007FF882862000-memory.dmp

              memory/516-49-0x0000025F965E0000-0x0000025F965E7000-memory.dmp

              memory/2924-69-0x00007FF882730000-0x00007FF882862000-memory.dmp

              memory/2924-66-0x0000011873C90000-0x0000011873C97000-memory.dmp

              memory/3464-38-0x00007FF8A00B0000-0x00007FF8A00C0000-memory.dmp

              memory/3464-37-0x0000000001330000-0x0000000001337000-memory.dmp

              memory/3464-13-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-12-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-10-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-9-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-8-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-6-0x00007FF89FFAA000-0x00007FF89FFAB000-memory.dmp

              memory/3464-16-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-17-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-34-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-14-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-4-0x00000000031B0000-0x00000000031B1000-memory.dmp

              memory/3464-25-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-15-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-7-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/3464-11-0x0000000140000000-0x0000000140131000-memory.dmp

              memory/4464-81-0x000001B0CD730000-0x000001B0CD737000-memory.dmp

              memory/4464-86-0x00007FF882730000-0x00007FF882862000-memory.dmp

              memory/4616-3-0x00000130D3200000-0x00000130D3207000-memory.dmp

              memory/4616-39-0x00007FF891630000-0x00007FF891761000-memory.dmp

              memory/4616-1-0x00007FF891630000-0x00007FF891761000-memory.dmp