Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 04:35

General

  • Target

    94af3f003d23484a189ce50929f7e11b7cb4d30d149eb23f6650fafd548dd3fd.exe

  • Size

    2.6MB

  • MD5

    6f3b935175a44298f056598daefd8f4a

  • SHA1

    df49fbdec3d0c697da73ca8d2925522114325e1f

  • SHA256

    94af3f003d23484a189ce50929f7e11b7cb4d30d149eb23f6650fafd548dd3fd

  • SHA512

    ed1346f979b017ec6b04dc6bdb7645c06975c78a8ddcc2fb97b9447aae65eb102403b20279957336112d4c93e7163803086a9ce6d38370d24f9328c704059a2e

  • SSDEEP

    49152:PbA3phxcymVOgnOPsopuCiTsAqKl4iLPuqaLiUDVgZ1jAMLhN:PbYcfVOZEqiTKKl42aLpgZ1jjj

Malware Config

Signatures

  • DcRat 41 IoCs

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Dcrat family
  • Process spawned unexpected child process 39 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • DCRat payload 3 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 39 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 27 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:\Users\Admin\AppData\Local\Temp\94af3f003d23484a189ce50929f7e11b7cb4d30d149eb23f6650fafd548dd3fd.exe
    "C:\Users\Admin\AppData\Local\Temp\94af3f003d23484a189ce50929f7e11b7cb4d30d149eb23f6650fafd548dd3fd.exe"
    1⤵
    • DcRat
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\HypercomwebsavesCommon\06TRX2vp5EEa5LRO2qIvamDAISMSY.vbe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\HypercomwebsavesCommon\qBJRRaMx8bIHubO.bat" "
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1752
        • C:\HypercomwebsavesCommon\Mscontainerprovider.exe
          "C:\HypercomwebsavesCommon\Mscontainerprovider.exe"
          4⤵
          • DcRat
          • Executes dropped EXE
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2100
          • C:\Users\Public\Documents\audiodg.exe
            "C:\Users\Public\Documents\audiodg.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2188
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\HypercomwebsavesCommon\file.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2756
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\HypercomwebsavesCommon\r2mekDnwHuGTXInEFmE.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2528
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Defender\fr-FR\dllhost.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1536
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\fr-FR\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2596
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Defender\fr-FR\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 7 /tr "'C:\Windows\Downloaded Program Files\OSPPSVC.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:836
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Windows\Downloaded Program Files\OSPPSVC.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1528
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 9 /tr "'C:\Windows\Downloaded Program Files\OSPPSVC.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:876
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\conhost.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2212
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\conhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2200
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\conhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1624
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Mail\de-DE\conhost.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2928
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\de-DE\conhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1940
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Mail\de-DE\conhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2956
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 7 /tr "'C:\Users\Public\Documents\audiodg.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2856
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\Public\Documents\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2728
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Users\Public\Documents\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:348
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "MscontainerproviderM" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Microsoft Help\Mscontainerprovider.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1100
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Mscontainerprovider" /sc ONLOGON /tr "'C:\Users\All Users\Microsoft Help\Mscontainerprovider.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:984
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "MscontainerproviderM" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Microsoft Help\Mscontainerprovider.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2084
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\HypercomwebsavesCommon\dllhost.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:896
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\HypercomwebsavesCommon\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1620
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\HypercomwebsavesCommon\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:300
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\Windows\L2Schemas\lsm.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2420
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Windows\L2Schemas\lsm.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1552
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 8 /tr "'C:\Windows\L2Schemas\lsm.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2772
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 7 /tr "'C:\Program Files\Microsoft Office\Office14\1033\audiodg.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1240
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Office14\1033\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1588
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 12 /tr "'C:\Program Files\Microsoft Office\Office14\1033\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1672
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Program Files\Google\Chrome\Application\SetupMetrics\explorer.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1908
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\Application\SetupMetrics\explorer.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2456
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Program Files\Google\Chrome\Application\SetupMetrics\explorer.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2328
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Windows\Fonts\conhost.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2276
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Windows\Fonts\conhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2096
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 5 /tr "'C:\Windows\Fonts\conhost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1144
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\wininit.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1640
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\wininit.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2020
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\wininit.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3032
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Desktop\csrss.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2132
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\All Users\Desktop\csrss.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1572
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Desktop\csrss.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\HypercomwebsavesCommon\06TRX2vp5EEa5LRO2qIvamDAISMSY.vbe

    Filesize

    214B

    MD5

    f1d16665ffd0f6c105eb6959fe8191e8

    SHA1

    306ffa126b9323b3cf6eec31d266510898ddd6b4

    SHA256

    5fa7ef03d5257c7deb9ea12f21f4ff5886dbd667d44b28aaffcf9ff070e9da32

    SHA512

    6ce173fe645e5a05a4c02da4b7b67c612867f234e6e0a14f20ef016d5bc2e0b7dc33766dffd98fc62f1fe357a8797486b9dbd198375cf801d4ec2231745cbadf

  • C:\HypercomwebsavesCommon\Mscontainerprovider.exe

    Filesize

    2.3MB

    MD5

    d53b913a47de930d631538231afc9f89

    SHA1

    565818c582c9e8a1ae576111086379c569b5a557

    SHA256

    dfd113a21fa8c15314f5873a2657d6fc698d6e7678f09ffe0755d81e01f422fd

    SHA512

    b1b983139fbe41dcf17171cbb1978d8627347ee532d1b71e33330da4da57f1d096f8f807d3285256b158da73e2c5398d84f803c473196f4efde503d9a9bbbe87

  • C:\HypercomwebsavesCommon\file.vbs

    Filesize

    34B

    MD5

    677cc4360477c72cb0ce00406a949c61

    SHA1

    b679e8c3427f6c5fc47c8ac46cd0e56c9424de05

    SHA256

    f1cccb5ae4aa51d293bd3c7d2a1a04cb7847d22c5db8e05ac64e9a6d7455aa0b

    SHA512

    7cfe2cc92f9e659f0a15a295624d611b3363bd01eb5bcf9bc7681ea9b70b0564d192d570d294657c8dc2c93497fa3b4526c975a9bf35d69617c31d9936573c6a

  • C:\HypercomwebsavesCommon\qBJRRaMx8bIHubO.bat

    Filesize

    51B

    MD5

    e6f650718077366b66c45793bf847aba

    SHA1

    053549a3540eb20fed7b618f899313ec8b36f7f9

    SHA256

    e75e8150eef010f32b581e9bb62b3ff17eda9302452252954ccf0822bfa38a1b

    SHA512

    99c82b2eec28d6c4c91e73c2bf8af1a6ee81234a5f57a5d53644b2bd2c6869f6b0a076bf45a4517f97a58f0974891c4fa5a69d5de09759efb256aa5fa2861814

  • C:\HypercomwebsavesCommon\r2mekDnwHuGTXInEFmE.bat

    Filesize

    12B

    MD5

    cde09bcdf5fde1e2eac52c0f93362b79

    SHA1

    7a0fd90576e08807bde2cc57bcf9854bbce05fe3

    SHA256

    7592a3326e8f8297547f8c170b96b8aa8f5234027fd76593841a6574f098759c

    SHA512

    0c3dc6a9d88ac98ee08a6aac028a1cf72e6d736227d36904a9daec84b30c2fccfd57a41daa4d73384bb91339482e98e226578eb0d87c958c2bfd2353181b680b

  • memory/2100-35-0x0000000000150000-0x000000000016C000-memory.dmp

    Filesize

    112KB

  • memory/2100-34-0x0000000000A20000-0x0000000000C72000-memory.dmp

    Filesize

    2.3MB

  • memory/2100-36-0x0000000000370000-0x0000000000386000-memory.dmp

    Filesize

    88KB

  • memory/2100-37-0x00000000009B0000-0x0000000000A06000-memory.dmp

    Filesize

    344KB

  • memory/2100-38-0x0000000000390000-0x00000000003A2000-memory.dmp

    Filesize

    72KB

  • memory/2100-39-0x00000000004B0000-0x00000000004BE000-memory.dmp

    Filesize

    56KB

  • memory/2100-40-0x0000000000540000-0x0000000000548000-memory.dmp

    Filesize

    32KB

  • memory/2100-41-0x0000000000550000-0x0000000000558000-memory.dmp

    Filesize

    32KB

  • memory/2188-75-0x0000000001320000-0x0000000001572000-memory.dmp

    Filesize

    2.3MB

  • memory/2188-76-0x00000000003E0000-0x00000000003F2000-memory.dmp

    Filesize

    72KB