Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    30/05/2026, 16:53

General

  • Target
    Download Navigator/EPSDNAVI.exe
  • Size 2.6MB
  • Sample260530-vd57caas21
  • SHA256 fbcb3a8e699701a451c3afcb70c8ab0384ac230d0def270d04db06cf4d2197c8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

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

  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 48 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNAVI.exe
    "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNAVI.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" bEIxLvc6kGwyfxdhvkY3ahpqI-fhZoDR8oKl-lOkfq_OrqWGHBL2L9IwPddRJZ1r
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4892
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" fS0NwxjYLysfV15w2WLcLMK7bRaxNEuwYLh-68D5t-wYXrozB5aGKaCxcg1Egl66
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5652
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" 7JQWiWh65NMN8HQo4w9peGpdWdlkVnvPyypN1yKHyBUIVkGh9QSMOsRPBZ2j_wBW
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5916
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" a-sEBqEli-nkypUPVN25l0EOv-mj_eZSeGUEYgsPD_1D8Vq_0mPJs8Ue8d9Ha6At
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5880
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" 85miWrN314mriUoiEcMFwc8kCUIgt8cIPFvCJi8tNH2E5w4Fjm7T1-LZ7i8x6UYE
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4332
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" QOUw_ambhN-5NzMT9xvT-oTLsc94eWkJeHDbctsHj7feL0bzxY0akCmwhRpbCGFT
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5932
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" ZnXoD5ziyaMorH4JXa6QhfB7gkxv2Pmp4124Pn3qdPBEk912k7_NEnXrzCO0PEHL
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3660
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" DrYSQEQhFFwfvXHw1XRzL3JFph-H8epib3-I8aB8o-bUsKt-SzkBPlOF-lsWN0Il
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2832
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" K6LoU2Ja_0S3BjoHSpt7zUB9vTrMhm6H2TrH1bOy8slNMYNSHGgD5oZ9Ws5QC3qO
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:844
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" izE2fWHlrtYvVVw5_3jWDcm7QCO0UvaVfF0yFX0TE7mimgNnpio2ecznP-xHkfpN
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5508
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" Jd-1xGVyyYhJ7TulaeZBuojqfPEHMBCWFhB47sdw1c2oEML04eLbUanUAXsN-fQy
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:6076
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" ZPKvwQz2dGdVqhKWJZegYoCJj2HrrVL6muhUG7sa-3M_DT9ePr7Rs4r_vH21Dq35
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2192
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" 3dVhVlfg7CVXRSxjMFviiGf2Be4FAWvEWcI2Kptvqg9eA4mKCd2cJUueEeYCugbm
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5280
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" wkLBR7fAiYU8aqu73I6kSzEk2bLQylyMts4r6GqYtIY0sMFAJxi-Pk-Tae3wsu0x
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3996
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" Ih_Xj2NFVoUTBmbA5D0jIvj-2lDWHmmCFl8D_E2TS_qAnn679TwspStJbjDnipfQ
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2684
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" Rew7GTOl5hyYK1cgfvFiZ7zgH9M5ZzovXWptSAPJbUHG0bEdErR9PNmQke5AY2W6
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" fMPYywGGxf0CiTAt88mdEW-b2ABPmMJ4nTYhsLcQtbxAMtoR5FH_TSQRQDHSecuF
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5520
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" QhxlMAah8KwB3IsqgfuQrHdMc_NvS_nXFvD_MWZbiVZlpVXyv-rIxpYzdZrWclmA
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2592
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" gFrllR5sCiPM1MEWbK0GSWF1a3vQCa7JAlKNgIa1hVFAbRKBmLQV4soYNQTYMUEK
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2700
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" -pBlkR3xyPHmn2FVeCN62qHvv5qeXZ_8nxo1oxgiZqECVkToxqyxkpy5q5WPq7Ql
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3320
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" EOsOisvy3yUkA1mRKnqAPgdFi--3OvMl6MRFQpftfqaG9Y29wzC7PKmYkKpLVU2l
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4476
    • C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE
      "C:\Users\Admin\AppData\Local\Temp\Download Navigator\EPSDNRUD.EXE" UeSue2nV8jLkW8JSbGhqzYfX18zebX8syNmSWf2OeWjMUlosoKXGl1wsjsyu_uxk
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1480

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        8EC9B1D0ABBD7F98B401D425828828CE_B0A020C2D89D4EB574B0E3A6D845CAEB

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_B0A020C2D89D4EB574B0E3A6D845CAEB
        • Size 727B
        • SHA256 c026adebfbffc01f200d04b2bb5776f49b59e121e3ba5ccf5c787a467d9bd2be
        • MD5 SHA1 SHA512 TLSH

        C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
        • Size 727B
        • SHA256 e23ab64b253e909188e7281e218829116c97336dc77763a071fc48331000d068
        • MD5 SHA1 SHA512 TLSH

        8EC9B1D0ABBD7F98B401D425828828CE_B0A020C2D89D4EB574B0E3A6D845CAEB

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_B0A020C2D89D4EB574B0E3A6D845CAEB
        • Size 404B
        • SHA256 a5626018c014ef94e3531a3f9cb86c071ce3d318999aa5ded856126ac92b5abf
        • MD5 SHA1 SHA512 TLSH

        C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
        • Size 412B
        • SHA256 7b0edef7df72258f36a516e8bba8490acf0a4b6ec65ab55efe849560a2c337a1
        • MD5 SHA1 SHA512 TLSH