Analysis

  • max time kernel
    111s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 08:18

General

  • Target

    2e08fe695a58e1430e7425bfc093df2e723f3a3f982d585584ce198c646ebe89N.exe

  • Size

    70KB

  • MD5

    0f42ebc2d3d4ffb179abb3101cb8b8c0

  • SHA1

    a8893cde6977ffce74282bfcb76e8a666d54c8a9

  • SHA256

    2e08fe695a58e1430e7425bfc093df2e723f3a3f982d585584ce198c646ebe89

  • SHA512

    e4264bf273dbed238000ef446aaf3d40ba9348d2f23fc0b8783821bf0bbfa099ccf34173433b0f46823cd01952e697148a0fe52aa989e9cf10020f63ebdd3c4e

  • SSDEEP

    768:urItKyw5WHXfQmjIiIk9ecAaHSHMb96FyXRDLdXDffff3lkkkmp:ur3Z5IfQmv81ayo2yXpZXX

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e08fe695a58e1430e7425bfc093df2e723f3a3f982d585584ce198c646ebe89N.exe
    "C:\Users\Admin\AppData\Local\Temp\2e08fe695a58e1430e7425bfc093df2e723f3a3f982d585584ce198c646ebe89N.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\iuyhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2060
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2E08FE~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:3008
  • C:\Windows\Debug\iuyhost.exe
    C:\Windows\Debug\iuyhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Debug\iuyhost.exe

    Filesize

    70KB

    MD5

    258141f193ec54533103a71b788efae6

    SHA1

    7b2cb2ff35b665be298616a8d62c86fc01f5e459

    SHA256

    ee36c34acf532b59fc820792986eba91db5e34c005589c5d7183a11ee020e9a6

    SHA512

    984102931916a60d07882562c88ed15a7be56697e2d9f942f5a23e38675c451d1bf0f0621993a96c9741d6eff43107d35aa5eb9b65e4a97801ada04f708b5c1b