Overview

overview

8

Static

static

7

8bb5de3966...0N.exe

windows7-x64

8

8bb5de3966...0N.exe

windows10-2004-x64

8

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General

  • Target

    8bb5de396611f142f328ef2fa6990400N.exe

  • Size

    232KB

  • Sample

    240721-jk2lyswemh

  • MD5

    8bb5de396611f142f328ef2fa6990400

  • SHA1

    4d2f9fe3cba1cab89f522a646a1591a7630186db

  • SHA256

    d084dcae942a3b6b27b8b85fc44b9c81334132ba6ea271d58ae45625e8b25f4f

  • SHA512

    cf7fd9a173914b0458e3c48560d88790e485717c56ff05df3912e6ec5bc1c421e6beef454e7b2f2badaa0297080da77f7ef9363cf4f5a5b4ddffbb1652cc7fd8

  • SSDEEP

    3072:2r+Fu+gOSmvuVQL9KpjbbNC8vM7Mh8nWmEw7/8kuuc+BxWhJ+UV05M1:RSm26UbbZvMgrmEs7eVMM1

Score
8/10
upx

Malware Config

Targets

    • Target

      8bb5de396611f142f328ef2fa6990400N.exe

    • Size

      232KB

    • MD5

      8bb5de396611f142f328ef2fa6990400

    • SHA1

      4d2f9fe3cba1cab89f522a646a1591a7630186db

    • SHA256

      d084dcae942a3b6b27b8b85fc44b9c81334132ba6ea271d58ae45625e8b25f4f

    • SHA512

      cf7fd9a173914b0458e3c48560d88790e485717c56ff05df3912e6ec5bc1c421e6beef454e7b2f2badaa0297080da77f7ef9363cf4f5a5b4ddffbb1652cc7fd8

    • SSDEEP

      3072:2r+Fu+gOSmvuVQL9KpjbbNC8vM7Mh8nWmEw7/8kuuc+BxWhJ+UV05M1:RSm26UbbZvMgrmEs7eVMM1

    Score
    8/10
    upx

    • Drops file in Drivers directory

    • Manipulates Digital Signatures

      Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Blocklisted process makes network request

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks