Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2024, 23:29

General

  • Target

    76d66c81c00eb15acf58439bb258c2bc651e7a402e545b793e178d5e9a6b3e7d.exe

  • Size

    16KB

  • MD5

    17de0dcd9b69840117924228c8716e69

  • SHA1

    049e399addd01c334679f52c284538fab08b4b7e

  • SHA256

    76d66c81c00eb15acf58439bb258c2bc651e7a402e545b793e178d5e9a6b3e7d

  • SHA512

    a94aba131467d9598b18f101cce4ef4902f22984608c2687bf8a00a60bcc12d8fb964ddd55afa92dfb864109984662671cd2ca3d5a7c470edef230260f2283e9

  • SSDEEP

    384:IO3qdXlIQV0YXd45xuYiMcRWnPbeVGWLjZ:IO3EVdV0YXd4DuicNV3fZ

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
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\76d66c81c00eb15acf58439bb258c2bc651e7a402e545b793e178d5e9a6b3e7d.exe
    "C:\Users\Admin\AppData\Local\Temp\76d66c81c00eb15acf58439bb258c2bc651e7a402e545b793e178d5e9a6b3e7d.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\sgchost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\76D66C~1.EXE > nul
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2384
  • C:\Windows\Debug\sgchost.exe
    C:\Windows\Debug\sgchost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Debug\sgchost.exe

    Filesize

    16KB

    MD5

    7c8fd75a07c64e997ca5bb52d98971f4

    SHA1

    3c8fc077deb3b911ed453fcf37b508c9ac95fd3f

    SHA256

    dc211cd0d93c92e6bbed4b4b64ec9c1523cc884ce8f2c906837be5160a775a9b

    SHA512

    1535d9633e3139e31935ba1bd620e8d549dfb95a9db13d4c94a1cc2f01791b8a73d9d5932a75a8df889e5b9b1a022eb24868550dbdb68ba6320728b4f5ecfde8

  • memory/1476-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1476-6-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1920-7-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1920-10-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1920-13-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1920-16-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1920-19-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB