Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:33

General

  • Target

    5aba8889254015bbafbba1cca9d776bb318bd21a60106974f250dceefbfe2987.exe

  • Size

    221KB

  • MD5

    541e5218c80af67946ff24083bd0b726

  • SHA1

    2ff2e275005f9f7ce165701ee2de3512cba7c2ba

  • SHA256

    5aba8889254015bbafbba1cca9d776bb318bd21a60106974f250dceefbfe2987

  • SHA512

    cefedd6a1198531d6c95f71875bd2552696b35acd86fac1894f074201f1a9eb71c227d85611016f64989fccab7a924900f437c123fa4485955d1f31cfe5c7a52

  • SSDEEP

    3072:YsXRmUIMitiMQose27vc+Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwRmR:ZR5IuMQoseGk7RZBGxAycKpSPX2S

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 36 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\5aba8889254015bbafbba1cca9d776bb318bd21a60106974f250dceefbfe2987.exe
    "C:\Users\Admin\AppData\Local\Temp\5aba8889254015bbafbba1cca9d776bb318bd21a60106974f250dceefbfe2987.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe
      "C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2088
      • \??\c:\windows\microsoft.net\framework\v2.0.50727\InstallUtil.exe
        "c:\windows\microsoft.net\framework\v2.0.50727\\InstallUtil.exe" C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2756
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe\" arguments" /sc MINUTE /mo 1
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2924
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:1848
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\5aba8889254015bbafbba1cca9d776bb318bd21a60106974f250dceefbfe2987.exe" && del "C:\Users\Admin\AppData\Local\Temp\5aba8889254015bbafbba1cca9d776bb318bd21a60106974f250dceefbfe2987.exe.config"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Windows\system32\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:2996
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:2508
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {BAED67B8-3CC5-47F1-AB90-36F65507EC2D} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:884
        • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe
          C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe arguments
          2⤵
          • Executes dropped EXE
          PID:1652
        • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe
          C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe arguments
          2⤵
          • Executes dropped EXE
          PID:2944
        • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe
          C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe arguments
          2⤵
          • Executes dropped EXE
          PID:1444

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe

        Filesize

        221KB

        MD5

        0e462972cd5c31661a0d53835a7557a6

        SHA1

        c33b9d1604348952fe96923d06dca1682d738a47

        SHA256

        a7f7e528399dfd246f4a21fb8cab8a9fd43e9778b9b73071ac1cbca05e5bfaa3

        SHA512

        e0a9014c8c8498a5e27a83849ef50794b350688415e0fa9255015e50f970f91c1356dbb908e0e7958d220004189b7b5bf336845361391a1a349054868466fb8a

      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\dsprop32.exe.config

        Filesize

        1KB

        MD5

        dd3d04c365984b4ec57a80503f81fddf

        SHA1

        c55fbcb61818e47dac9aae465faff91f0805bd7c

        SHA256

        40a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c

        SHA512

        0dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785

      • memory/2088-33-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2088-32-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2088-15-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2088-19-0x000000001B010000-0x000000001B032000-memory.dmp

        Filesize

        136KB

      • memory/2088-17-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2280-16-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2280-7-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2280-3-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2280-6-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2280-5-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2280-0-0x000007FEF5CFE000-0x000007FEF5CFF000-memory.dmp

        Filesize

        4KB

      • memory/2280-4-0x00000000006B0000-0x00000000006D2000-memory.dmp

        Filesize

        136KB

      • memory/2280-1-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2280-2-0x000007FEF5A40000-0x000007FEF63DD000-memory.dmp

        Filesize

        9.6MB

      • memory/2756-29-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB

      • memory/2756-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2756-26-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB

      • memory/2756-24-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB

      • memory/2756-22-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB

      • memory/2756-20-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB

      • memory/2756-30-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB

      • memory/2756-31-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB