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Analysis

  • max time kernel
    170s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/12/2023, 12:43

General

  • Target

    installer.exe

  • Size

    41KB

  • MD5

    19668f1460eccde1dc875e69ec6325b7

  • SHA1

    596d7a55839d578a2dfdef3d04023ed66bfff03e

  • SHA256

    82559d919db6f971aeb19316d86dda8bb735f7a4830f5a62fb70d521ff0f15b2

  • SHA512

    47e45dde0085a5d82eb264b964ba4dc628fab87e40f67bc9f6bf799de3a7fa1cb50c910b6cad97ebad9bced35e97964ed88516f7d4c7174287daafc528dc22fc

  • SSDEEP

    768:Ga7HmiY7iDT6pKf6QSiWhkU57lLOv2a0KKR5sFbAgAbLcGukYH5X:+iY0TyKdWhkU57lLOd0K+5sF8gAbLMki

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 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 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\installer.exe
    "C:\Users\Admin\AppData\Local\Temp\installer.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Users\Admin\AppData\Local\Temp\XenoManager\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\XenoManager\installer.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "hdrealtek" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD496.tmp" /F
        3⤵
        • Creates scheduled task(s)
        PID:4732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\installer.exe.log

    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\XenoManager\installer.exe

    Filesize

    41KB

    MD5

    19668f1460eccde1dc875e69ec6325b7

    SHA1

    596d7a55839d578a2dfdef3d04023ed66bfff03e

    SHA256

    82559d919db6f971aeb19316d86dda8bb735f7a4830f5a62fb70d521ff0f15b2

    SHA512

    47e45dde0085a5d82eb264b964ba4dc628fab87e40f67bc9f6bf799de3a7fa1cb50c910b6cad97ebad9bced35e97964ed88516f7d4c7174287daafc528dc22fc

  • C:\Users\Admin\AppData\Local\Temp\tmpD496.tmp

    Filesize

    1KB

    MD5

    b2ac3c7ce2ed43c81a5224181b86ca39

    SHA1

    0044ecc350c384b18c7bfd158c8ef556ae9fe87b

    SHA256

    bb017fa7570d2a677bef7575c094c548e551329d9fc05870f275d2061fbee658

    SHA512

    29e53e38b0e767f18f024119eb0c9cee3a85feb326cf5b32ac7417828f767755db7ad5fe375bf9dc58a8327657ae6a45c67b2721e26c410b5e55e7456336988c

  • memory/1544-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-17-0x00000000055B0000-0x00000000055C0000-memory.dmp

    Filesize

    64KB

  • memory/1544-20-0x0000000005E80000-0x0000000005EE6000-memory.dmp

    Filesize

    408KB

  • memory/1544-21-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-22-0x00000000055B0000-0x00000000055C0000-memory.dmp

    Filesize

    64KB

  • memory/2808-0-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-1-0x0000000000330000-0x0000000000340000-memory.dmp

    Filesize

    64KB

  • memory/2808-15-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB